| English | Latino |
|---|
| Amethyst Brown-Dove | Phapitreron amethystinus |
| Chipping Sparrow | Spizella passerina |
| Double-banded Courser | Rhinoptilus africanus |
| Laughing Hornbill, Piping Hornbill, Whistling Hornbill, White-tailed Hornbill | Bycanistes fistulator |
| Red-bellied Parrot | Poicephalus rufiventris |
| Spotted Shag | Phalacrocorax punctatus |
| Abbott's Babbler | Malacocincla abbotti |
| Abbott's Booby | Papasula abbotti |
| Abdim's Stork | Ciconia abdimii |
| Abyssinian Catbird | Parophasma galinieri |
| Abyssinian Ground-Hornbill | Bucorvus abyssinicus |
| Abyssinian Longclaw | Macronyx flavicollis |
| Abyssinian Owl | Asio abyssinicus |
| Abyssinian Roller | Coracias abyssinicus |
| Abyssinian Woodpecker | Dendropicos abyssinicus |
| Abyssinian Yellow-rumped Seedeater | Serinus atrogularis |
| Acorn Woodpecker | Melanerpes formicivorus |
| Adalbert's Eagle | Aquila adalberti |
| Adelie Penguin | Pygoscelis adeliae |
| Afep Pigeon | Columba unicincta |
| African Barred Owlet | Glaucidium capense |
| African Barred Owlet | Glaucidium capense |
| African Baza | Aviceda cuculoides |
| African Black Duck | Anas sparsa |
| African Black-headed Oriole | Oriolus larvatus |
| African Blue Tit | Cyanistes teneriffae |
| African Blue-Flycatcher | Elminia longicauda |
| African Collared-Dove | Streptopelia roseogrisea |
| African Crake | Crex egregia |
| African cuckoo, African grey cuckoo | Cuculus gularis |
| African Darter | Anhinga rufa |
| African Emerald Cuckoo | Chrysococcyx cupreus |
| African Finfoot | Podica senegalensis |
| African Firefinch | Lagonosticta rubricata |
| African Fish-Eagle | Haliaeetus vocifer |
| African Golden Oriole | Oriolus auratus |
| African Goshawk | Accipiter tachiro |
| African Green-Pigeon | Treron calvus |
| African Grey Hornbill | Tockus nasutus |
| African Harrier-Hawk | Polyboroides typus |
| African Hawk-Eagle | Aquila spilogaster |
| African Hobby | Falco cuvierii |
| African Hoopoe | Upupa epops |
| African Jacana | Actophilornis africanus |
| African Kingfisher, African Mangrove Kingfisher, Mangrove Kingfisher | Halcyon senegaloides |
| African Olive Pigeon | Columba arquatrix |
| African Openbill | Anastomus lamelligerus |
| African Oystercatcher | Haematopus moquini |
| African Paradise-Flycatcher | Terpsiphone viridis |
| African Penduline-Tit | Anthoscopus caroli |
| African Pied Hornbill | Tockus fasciatus |
| African Pied Wagtail | Motacilla aguimp |
| African Pitta | Pitta angolensis |
| African pygmy goose | Nettapus auritus |
| African pygmy goose | Nettapus coromandelianus |
| African pygmy goose | Nettapus pulchellus |
| African pygmy kingfisher | Ispidina picta |
| African Pygmy-Kingfisher | Ceyx pictus |
| African River Martin | Pseudochelidon eurystomina |
| African Scops-Owl | Otus senegalensis |
| African Skimmer | Rynchops flavirostris |
| African Snipe | Gallinago nigripennis |
| African Spoonbill | Platalea alba |
| African Stonechat | Saxicola torquatus |
| African Swamphen | Porphyrio madagascariensis |
| African Wood-Owl | Strix woodfordii |
| African Yellow White-eye | Zosterops senegalensis |
| Agami Heron | Agamia agami |
| Ahanta Francolin | Francolinus ahantensis |
| Akiapolaau | Hemignathus munroi |
| Akohekohe | Palmeria dolei |
| Akun Eagle-Owl | Bubo leucostictus |
| Ala Shan Redstart | Phoenicurus alaschanicus |
| Alagoas Curassow | Mitu mitu |
| Albertine owlet | Glaucidium albertinum |
| Aldabra Drongo | Dicrurus aldabranus |
| Aldabra Fody | Foudia aldabrana |
| Alexandra's Parrot | Polytelis alexandrae |
| Alexandrine Parakeet | Psittacula eupatria |
| Algerian Nuthatch | Sitta ledanti |
| Allen's Gallinule | Porphyrio alleni |
| Allen's Hummingbird | Selasphorus sasin |
| Alpine Accentor | Prunella collaris |
| Alpine Swift | Apus melba |
| Amazon Kingfisher | Chloroceryle amazona |
| Amazonian Antshrike | Thamnophilus amazonicus |
| Amazonian Royal-Flycatcher | Onychorhynchus coronatus |
| Amazonian Umbrellabird | Cephalopterus ornatus |
| American Avocet | Recurvirostra americana |
| American Bittern | Botaurus lentiginosus |
| American Black Duck | Anas rubripes |
| American Black Swift | Cypseloides niger |
| American Coot | Fulica americana |
| American Crow | Corvus brachyrhynchos |
| American Dipper | Cinclus mexicanus |
| American Golden-Plover | Pluvialis dominica |
| American Goldfinch | Spinus tristis |
| American Goldfinch | Carduelis tristis |
| American Harrier | Circus cyaneus |
| American Herring Gull | Larus smithsonianus |
| American Kestrel | Falco sparverius |
| American Oystercatcher | Haematopus palliatus |
| American Pipit | Anthus rubescens |
| American Pygmy Kingfisher | Chloroceryle aenea |
| American Redstart | Setophaga ruticilla |
| American Robin | Turdus migratorius |
| American white ibis | Eudocimus albus |
| American White Pelican | Pelecanus erythrorhynchos |
| American Wigeon | Anas americana |
| American Yellow Warbler | Setophaga aestiva |
| American Yellow Warbler | Dendroica aestiva |
| Amethyst Sunbird | Chalcomitra amethystina |
| Amethyst Woodstar | Calliphlox amethystina |
| Amethyst-throated Mountaingem | Lampornis amethystinus |
| Amsterdam Albatross | Diomedea exulans |
| Amur Falcon | Falco amurensis |
| Anchieta's Barbet | Stactolaema anchietae |
| Anchieta's Sunbird | Anthreptes anchietae |
| Andaman Hawk-Owl | Ninox affinis |
| Andaman Scops-Owl | Otus balli |
| Andaman Serpent-Eagle | Spilornis elgini |
| Andaman Teal | Anas albogularis |
| Andean Cock-of-the-rock | Rupicola peruvianus |
| Andean Condor | Vultur gryphus |
| Andean Flamingo | Phoenicoparrus andinus |
| Andean Goose | Chloephaga melanoptera |
| Andean Gull | Chroicocephalus serranus |
| Andean Hillstar | Oreotrochilus estella |
| Angola Swallow | Hirundo angolensis |
| Anhinga | Anhinga anhinga |
| Anjouan Scops-Owl | Otus capnodes |
| Anjouan Sunbird | Cinnyris comorensis |
| Anna's Hummingbird | Calypte anna |
| Antarctic Giant Petrel | Macronectes giganteus |
| Antarctic Petrel | Thalassoica antarctica |
| Antarctic Prion | Pachyptila desolata |
| Antarctic Tern | Sterna vittata |
| Antarctic Tern | Sterna virgata |
| Antillean Crested Hummingbird | Orthorhyncus cristatus |
| Antillean Euphonia | Euphonia musica |
| Antillean Mango | Anthracothorax dominicus |
| Antillean Nighthawk | Chordeiles gundlachii |
| Antillean Piculet | Nesoctites micromegas |
| Antillean Siskin | Carduelis dominicensis |
| Apapane | Himatione sanguinea |
| Aplomado falcon | Falco femoralis |
| Apo Sunbird | Aethopyga boltoni |
| Aquatic Warbler | Acrocephalus paludicola |
| Arabian Bustard | Ardeotis arabs |
| Arabian Partridge | Alectoris melanocephala |
| Arabian Woodpecker | Dendrocopos dorae |
| Archer's Robin-Chat | Cossypha archeri |
| Arctic Tern | Sterna paradisaea |
| Arfak Astrapia | Astrapia nigra |
| Armenian Gull | Larus armenicus |
| Arrowhead Warbler | Dendroica pharetra |
| Ascension Island Frigatebird | Fregata aquila |
| Ash-breasted Tit-Tyrant | Anairetes alpinus |
| Ash-throated Crake | Porzana albicollis |
| Ash-winged Antwren | Terenura spodioptila |
| Ashy-faced Owl | Tyto glaucops |
| Ashy-headed Goose | Chloephaga poliocephala |
| Ashy-headed Laughingthrush | Garrulax cinereifrons |
| Asian barred owlet | Glaucidium cuculoides |
| Asian Dowitcher | Limnodromus semipalmatus |
| Asian Fairy-bluebird | Irena puella |
| Asian Golden Weaver | Ploceus hypoxanthus |
| Asian Openbill | Anastomus oscitans |
| Asian Paradise-Flycatcher | Terpsiphone paradisi |
| Atitlan Grebe | Podilymbus gigas |
| Atiu Island Swiftlet, Atiu Swiftlet, Cook Is Swiftlet, Cook Island Swiftlet, Cook Islands Swiftlet, Sawtell's Swiftlet | Aerodramus sawtelli |
| Atlantic Puffin | Fratercula arctica |
| Atlantic Sooty Tern | Onychoprion fuscatus |
| Atlantic Yellow-nosed Albatross | Thalassarche chlororhynchos |
| Atoll Fruit-Dove | Ptilinopus coralensis |
| Audouin's Gull | Ichthyaetus audouinii |
| Audubon's Shearwater | Puffinus lherminieri |
| Augur Buzzard | Buteo augur |
| Austral Blackbird | Curaeus curaeus |
| Austral Parakeet | Enicognathus ferrugineus |
| Austral Pygmy-Owl | Glaucidium nana |
| Austral Thrush | Turdus falcklandii |
| Australasian Grebe | Tachybaptus novaehollandiae |
| Australasian Magpie | Gymnorhina tibicen |
| Australasian shoveler | Anas rhynchotis |
| Australian Brush-turkey | Alectura lathami |
| Australian Darter | Anhinga novaehollandiae |
| Australian Gannet | Morus serrator |
| Australian Ibis | Threskiornis molucca |
| Australian Kestrel | Falco cenchroides |
| Australian King-Parrot | Alisterus scapularis |
| Australian Masked-Owl | Tyto novaehollandiae |
| Australian Osprey | Pandion cristatus |
| Australian Pelican | Pelecanus conspicillatus |
| Australian Shelduck | Tadorna tadornoides |
| Ayres' hawk-eagle | Hieraaetus ayresii |
| Azores Bullfinch | Pyrrhula murina |
| Azure Gallinule | Porphyrio flavirostris |
| Azure Jay | Cyanocorax caeruleus |
| Azure Kingfisher | Alcedo azurea |
| Azure Kingfisher | Ceyx azurea |
| Azure Tit | Cyanistes cyanus |
| Azure-breasted Pitta | Pitta steerii |
| Azure-crowned Hummingbird | Amazilia cyanocephala |
| Azure-hooded Jay | Cyanolyca cucullata |
| Azure-winged Magpie | Cyanopica cyanus |
| Babbling Starling | Neocichla gutturalis |
| Bachman's Sparrow | Aimophila aestivalis |
| Baer's Pochard | Aythya baeri |
| Baglafecht Weaver | Ploceus baglafecht |
| Bahama Mockingbird | Mimus gundlachii |
| Bahama Swallow | Tachycineta cyaneoviridis |
| Bahama Woodstar | Calliphlox evelynae |
| Bahama Yellowthroat | Geothlypis rostrata |
| Baikal Teal | Anas formosa |
| Baillon's Crake | Porzana pusilla |
| Baka Indigobird | Vidua larvaticola |
| Baker's Imperial-Pigeon | Ducula bakeri |
| Bald Eagle | Haliaeetus leucocephalus |
| Bald Ibis | Geronticus calvus |
| Bald Parrot | Pionopsitta aurantiocephala |
| Bald-faced Rail | Gymnocrex rosenbergii |
| Balearic Shearwater | Puffinus mauretanicus |
| Bali Myna | Leucopsar rothschildi |
| Balsas Screech-Owl | Megascops seductus |
| Baltimore Oriole | Icterus gularis |
| Baltimore Oriole | Icterus galbula |
| Bananaquit | Coereba flaveola |
| Banded Barbet | Lybius undatus |
| Banded Cotinga | Cotinga maculata |
| Banded Imperial-Pigeon | Ducula zoeae |
| Banded Kingfisher | Lacedo pulchella |
| Banded Martin | Riparia cincta |
| Banded Pitta | Pitta guajana |
| Banded Snake-Eagle | Circaetus cinerascens |
| Banded Woodpecker | Chrysophlegma miniaceum |
| Band-rumped Storm-Petrel | Oceanodroma castro |
| Band-tailed Barbthroat | Threnetes ruckeri |
| Band-tailed Pigeon | Patagioenas fasciata |
| Band-tailed Seedeater | Catamenia analis |
| Bank Cormorant | Phalacrocorax neglectus |
| Bank Swallow | Riparia riparia |
| Bannerman's Sunbird | Nectarinia bannermani |
| Bannerman's Turaco | Tauraco bannermani |
| Barau's Petrel | Pterodroma baraui |
| Barbados Bullfinch | Loxigilla barbadensis |
| Barbary Falcon | Falco pelegrinoides |
| Barbary Partridge | Alectoris barbara |
| Bar-bellied Pitta | Pitta elliotii |
| Barbuda Warbler | Setophaga subita |
| Bare-cheeked Babbler | Turdoides gymnogenys |
| Bare-faced Curassow | Crax fasciolata |
| Bare-faced Go-away-bird | Corythaixoides personatus |
| Bare-faced Ground-Dove | Metriopelia ceciliae |
| Bare-legged Owl | Gymnoglaux lawrencii |
| Bare-legged owl | Margarobyas lawrencii |
| Bare-necked Umbrellabird | Cephalopterus glabricollis |
| Bare-throated Bellbird | Procnias nudicollis |
| Bare-throated Tiger-Heron | Tigrisoma mexicanum |
| Bar-headed Goose | Anser indicus |
| Barking Imperial Pigeon | Ducula latrans |
| Barking Owl | Ninox connivens |
| Barlow's Lark | Calendulauda barlowi |
| Barn Owl | Tyto alba |
| Barn Swallow | Hirundo rustica |
| Barnacle Goose | Branta leucopsis |
| Barred Antshrike | Thamnophilus doliatus |
| Barred Buttonquail | Turnix suscitator |
| Barred Cuckoo-Dove | Macropygia unchall |
| Barred Eagle-Owl | Bubo sumatranus |
| Barred Owl | Strix varia |
| Barred Parakeet | Bolborhynchus lineola |
| Barred Warbler | Sylvia nisoria |
| Barrow's Goldeneye | Bucephala islandica |
| Bar-tailed Godwit | Limosa lapponica |
| Bar-tailed Lark | Ammomanes cinctura |
| Bar-tailed Trogon | Apaloderma vittatum |
| Bar-winged Weaver | Ploceus angolensis |
| Bat Falcon | Falco rufigularis |
| Bat Hawk | Macheiramphus alcinus |
| Bateleur | Terathopius ecaudatus |
| Bay Woodpecker | Blythipicus pyrrhotis |
| Baya Weaver | Ploceus philippinus |
| Bay-breasted Cuckoo | Coccyzus rufigularis |
| Bay-breasted Warbler | Dendroica castanea |
| Bay-winged Cowbird | Agelaioides badius |
| Beach Kingfisher | Todiramphus saurophagus |
| Beach Thick-knee | Esacus magnirostris |
| Beach Thick-knee | Esacus giganteus |
| Bearded Barbet | Lybius dubius |
| Bearded Bellbird | Procnias averano |
| Bearded Reedling | Panurus biarmicus |
| Bearded Tachuri | Polystictus pectoralis |
| Beaudouin's Snake-eagle | Circaetus beaudouini |
| Beautiful firetail | Stagonopleura bella |
| Beautiful Nuthatch | Sitta formosa |
| Beautiful Sunbird | Cinnyris pulchellus |
| Bee Hummingbird | Mellisuga helenae |
| Beesley's Lark | Chersomanes beesleyi |
| Belcher's Gull | Larus belcheri |
| Belted Flycatcher | Xenotriccus callizonus |
| Belted Kingfisher | Megaceryle alcyon |
| Bengal Florican | Houbaropsis bengalensis |
| Benguela Longbill | Certhilauda benguelensis |
| Bennett's Woodpecker | Campethera bennettii |
| Bermuda Petrel | Pterodroma cahow |
| Bernier's Teal | Anas bernieri |
| Bertoni's Antbird | Drymophila rubricollis |
| Berylline Hummingbird | Amazilia beryllina |
| Bicolored Hawk | Accipiter bicolor |
| Black Baza | Aviceda leuphotes |
| Black Bee-eater | Merops gularis |
| Black Bittern | Dupetor flavicollis |
| Black Caracara | Daptrius ater |
| Black Crake | Amaurornis flavirostra |
| Black Crowned-Crane | Balearica pavonina |
| Black Cuckoo | Cuculus clamosus |
| Black Curassow | Crax alector |
| Black Drongo | Dicrurus macrocercus |
| Black Eagle | Ictinaetus malayensis |
| Black Francolin | Francolinus francolinus |
| Black Grouse | Lyrurus tetrix |
| Black Guillemot | Cepphus grylle |
| Black Harrier | Circus maurus |
| Black Heron | Egretta ardesiaca |
| Black Hornbill | Anthracoceros malayanus |
| Black Inca | Coeligena prunellei |
| Black Jacobin | Florisuga fusca |
| Black Kite | Milvus migrans |
| Black Lark | Melanocorypha yeltoniensis |
| Black Noddy | Anous minutus |
| Black Nunbird | Monasa atra |
| Black Oystercatcher | Haematopus bachmani |
| Black Redstart | Phoenicurus ochruros |
| Black Scoter | Melanitta nigra |
| Black Shama | Copsychus cebuensis |
| Black Sicklebill | Epimachus fastuosus |
| Black Skimmer | Rynchops niger |
| Black Skimmer | Rhynchops niger |
| Black Stilt | Himantopus novaezelandiae |
| Black Stork | Ciconia nigra |
| Black Swan | Cygnus atratus |
| Black Tern | Chlidonias niger |
| Black Vulture | Coragyps atratus |
| Black Woodpecker | Dryocopus martius |
| Black-and-chestnut Eagle | Spizaetus isidori |
| Black-and-red Broadbill | Cymbirhynchus macrorhynchos |
| Black-and-rufous Swallow | Hirundo nigrorufa |
| Black-and-White Hawk-Eagle | Spizaetus melanoleucus |
| Black-and-white Munia | Lonchura bicolor |
| Black-and-white Warbler | Mniotilta varia |
| Black-and-white-casqued Hornbill | Bycanistes subcylindricus |
| Black-and-yellow Broadbill | Eurylaimus ochromalus |
| Black-backed Kingfisher | Ceyx erithaca |
| Black-backed Puffback | Dryoscopus cubla |
| Black-banded Owl | Strix huhula |
| Black-bellied Bustard | Lissotis melanogaster |
| Black-bellied Cuckoo | Piaya melanogaster |
| Black-bellied Gnateater | Conopophaga melanogaster |
| Black-bellied Plover | Pluvialis squatarola |
| Black-bellied Sandgrouse | Pterocles orientalis |
| Black-bellied Seedcracker | Pyrenestes ostrinus |
| Black-bellied Storm-Petrel | Fregetta tropica |
| Black-bellied whistling duck | Dendrocygna autumnalis |
| Black-billed Capercaillie | Tetrao parvirostris |
| Black-billed Cuckoo | Coccyzus erythropthalmus |
| Black-billed mountain toucan | Andigena nigrirostris |
| Black-billed Sicklebill | Drepanornis albertisi |
| Black-billed Streamertail | Trochilus scitulus |
| Black-billed Turaco | Tauraco schuettii |
| Black-bodied Woodpecker | Dryocopus schulzi |
| Black-breasted Snake-Eagle | Circaetus pectoralis |
| Black-browed Albatross | Thalassarche melanophrys |
| Black-browed Albatross | Thalassarche melanophris |
| Black-browed Barbet | Megalaima oorti |
| Blackburnian Warbler | Dendroica fusca |
| Blackcap Babbler | Turdoides reinwardtii |
| Black-capped Chickadee | Poecile atricapillus |
| Black-capped Donacobius | Donacobius atricapilla |
| Black-capped Kingfisher | Halcyon pileata |
| Black-capped Lory | Lorius lory |
| Black-capped Petrel | Pterodroma hasitata |
| Black-capped Speirops | Speirops lugubris |
| Black-casqued Hornbill | Ceratogymna atrata |
| Black-cheeked Lovebird | Agapornis nigrigenis |
| Black-cheeked Waxbill | Estrilda erythronotos |
| Black-chested Buzzard-Eagle | Geranoaetus melanoleucus |
| Black-chinned Fruit-Dove | Ptilinopus leclancheri |
| Black-chinned Hummingbird | Archilochus alexandri |
| Black-chinned Laughingthrush | Trochalopteron cachinnans |
| Black-chinned Mountain Tanager | Anisognathus notabilis |
| Black-chinned Siskin | Carduelis barbata |
| Black-collared Apalis | Oreolais pulchra |
| Black-collared Apalis | Apalis pulchra |
| Black-collared Barbet | Trachyphonus vaillantii |
| Black-collared Barbet | Lybius torquatus |
| Black-collared Hawk | Busarellus nigricollis |
| Black-collared Lovebird | Agapornis swindernianus |
| Black-crested Antshrike | Sakesphorus canadensis |
| Black-crested Bulbul | Pycnonotus melanicterus |
| Black-crested Coquette | Lophornis helenae |
| Black-crowned Barwing | Actinodura sodangorum |
| Black-crowned Night Heron | Nycticorax nycticorax |
| Black-crowned Tanager | Phaenicophilus palmarum |
| Black-crowned Tchagra | Tchagra senegala |
| Black-crowned Waxbill | Estrilda nonnula |
| Black-eared Fairy | Heliothryx auritus |
| Black-eared Wheatear | Oenanthe hispanica |
| Black-faced Cormorant | Phalacrocorax fuscescens |
| Black-faced Dacnis | Dacnis lineata |
| Black-faced Grassquit | Tiaris bicolor |
| Black-faced Laughingthrush | Garrulax affinis |
| Black-faced Pitta | Pitta anerythra |
| Black-faced Sheathbill | Chionis minor |
| Black-faced Spoonbill | Platalea minor |
| Black-faced Woodswallow | Artamus cinereus |
| Black-footed Albatross | Phoebastria nigripes |
| Black-fronted Bulbul | Pycnonotus nigricans |
| Black-fronted Bushshrike | Chlorophoneus nigrifrons |
| Black-fronted Parakeet | Cyanoramphus zealandicus |
| Black-fronted Piping-Guan | Aburria jacutinga |
| Black-fronted Tern | Chlidonias albostriatus |
| Black-headed Bunting | Emberiza melanocephala |
| Black-headed Gonolek | Laniarius erythrogaster |
| Black-headed Greenfinch | Carduelis ambigua |
| Black-headed Grosbeak | Pheucticus melanocephalus |
| Black-headed Gull | Chroicocephalus ridibundus |
| Black-headed Gull | Larus ridibundus |
| Black-headed Hemispingus | Hemispingus verticalis |
| Black-headed Heron | Ardea melanocephala |
| Black-headed Ibis | Threskiornis melanocephalus |
| Black-headed Jay | Garrulus lanceolatus |
| Black-headed Paradise-Flycatcher | Terpsiphone rufiventer |
| Black-headed Parrot | Pionites melanocephalus |
| Black-headed Penduline Tit | Remiz macronyx |
| Black-headed Trogon | Trogon melanocephalus |
| Black-headed Wagtail | Motacilla flava |
| Black-hooded Oriole | Oriolus xanthornus |
| Blackish Cinclodes | Cinclodes antarcticus |
| Blackish Nightjar | Caprimulgus nigrescens |
| Blackish Oystercatcher | Haematopus ater |
| Black-legged Kittiwake | Rissa tridactyla |
| Black-mandibled Toucan | Ramphastos ambiguus |
| Black-mantled Goshawk | Accipiter melanochlamys |
| Black-naped Monarch | Hypothymis azurea |
| Black-naped Oriole | Oriolus chinensis |
| Black-naped Tern | Sterna sumatrana |
| Black-necked Aracari | Pteroglossus aracari |
| Black-necked Crane | Grus nigricollis |
| Black-necked Grebe | Podiceps nigricollis |
| Black-necked Red-Cotinga | Phoenicircus nigricollis |
| Black-necked Stilt | Himantopus mexicanus |
| Black-necked Stork | Ephippiorhynchus asiaticus |
| Black-necked Swan | Cygnus melancoryphus |
| Black-necked Weaver | Ploceus nigricollis |
| Blackpoll Warbler | Setophaga striata |
| Blackpoll Warbler | Dendroica striata |
| Black-rumped Flameback | Dinopium benghalense |
| Black-rumped Waxbill | Estrilda troglodytes |
| Black-shouldered Kite | Elanus caeruleus |
| Blacksmith Lapwing, Blacksmith Plover | Vanellus armatus |
| Black-spotted Barbet | Capito niger |
| Black-spotted Bare-eye | Phlegopsis nigromaculata |
| Black-tailed Godwit | Limosa limosa |
| Black-tailed Gull | Larus crassirostris |
| Black-tailed Tityra | Tityra cayana |
| Black-tailed Trainbearer | Lesbia victoriae |
| Black-tailed Trogon | Trogon melanurus |
| Black-tailed Whistler | Pachycephala melanura |
| Black-throated Blue Warbler | Dendroica caerulescens |
| Black-throated Blue Warbler | Setophaga caerulescens |
| Black-throated finch | Poephila cincta |
| Black-throated Green Warbler | Dendroica virens |
| Black-throated Laughingthrush | Garrulax chinensis |
| Black-throated Loon | Gavia arctica |
| Black-throated Magpie-Jay | Calocitta colliei |
| Black-throated Mango | Anthracothorax nigricollis |
| Black-throated Robin | Poecilodryas albonotata |
| Black-throated Shrikebill | Clytorhynchus nigrogularis |
| Black-throated Sunbird | Aethopyga saturata |
| Black-whiskered Vireo | Vireo altiloquus |
| Black-winged Bishop | Euplectes hordeaceus |
| Black-winged Kite | Elanus axillaris |
| Black-winged Lovebird | Agapornis taranta |
| Black-winged Monarch | Monarcha frater |
| Black-winged Oriole | Oriolus nigripennis |
| Black-winged Petrel | Pterodroma nigripennis |
| Black-winged Starling | Acridotheres melanopterus |
| Black-winged Stilt, Common stilt, Pied stilt | Himantopus himantopus |
| Blakiston's Fish-Owl | Bubo blakistoni |
| Blood Pheasant | Ithaginis cruentus |
| Blood-colored Woodpecker | Veniliornis sanguineus |
| Blood-eared Parakeet | Pyrrhura hoematotis |
| Bloody-sided warbler, Chesnut-sided Warbler | Setophaga pensylvanica |
| Blossom-headed Parakeet | Psittacula roseata |
| Blue Bird-of-paradise | Paradisaea rudolphi |
| Blue Bustard | Eupodotis caerulescens |
| Blue Coua | Coua caerulea |
| Blue Crane | Anthropoides paradiseus |
| Blue Crane | Grus paradisea |
| Blue Cuckooshrike | Coracina azurea |
| Blue Dacnis | Dacnis cayana |
| Blue Duck | Hymenolaimus malacorhynchos |
| Blue Grosbeak | Passerina caerulea |
| Blue Ground-Dove | Claravis pretiosa |
| Blue Jay | Cyanocitta cristata |
| Blue Magpie | Urocissa erythrorhyncha |
| Blue Manakin | Chiroxiphia caudata |
| Blue Noddy | Procelsterna cerulea |
| Blue Petrel | Halobaena caerulea |
| Blue Pitta | Pitta cyanea |
| Blue Quail | Coturnix adansonii |
| Blue Rock-Thrush | Monticola solitarius |
| Blue streaked Lory, Blue-streaked Lory | Eos reticulata |
| Blue Swallow | Hirundo atrocaerulea |
| Blue throated Macaw, Blue-throated Macaw, Caninde Macaw, Wagler's Macaw | Ara glaucogularis |
| Blue Vanga | Cyanolanius madagascarinus |
| Blue Whistling-Thrush | Myophonus caeruleus |
| Blue-and-white Flycatcher | Cyanoptila cyanomelana |
| Blue-and-white Mockingbird | Melanotis hypoleucus |
| Blue-and-white Swallow | Pygochelidon cyanoleuca |
| Blue-and-yellow Macaw | Ara ararauna |
| Blue-and-yellow Tanager | Thraupis bonariensis |
| Blue-backed Parrot | Tanygnathus sumatranus |
| Blue-backed Tanager | Cyanicterus cyanicterus |
| Blue-banded Toucanet | Aulacorhynchus coeruleicinctis |
| Blue-bellied Roller | Coracias cyanogaster |
| Blue-black Grassquit | Volatinia jacarina |
| Blue-black Grosbeak | Cyanocompsa cyanoides |
| Blue-breasted Bee-eater | Merops variegatus |
| Blue-breasted Cordonbleu | Uraeginthus angolensis |
| Blue-breasted Fairywren | Malurus pulcherrimus |
| Blue-breasted Kingfisher | Halcyon malimbica |
| Blue-breasted Quail | Coturnix chinensis |
| Blue-capped Kingfisher | Actenoides hombroni |
| Blue-cheeked Bee-eater | Merops persicus |
| Blue-cheeked Parrot | Amazona dufresniana |
| Blue-crested Flycatcher | Myiagra azureocapilla |
| Blue-crowned Hanging-Parrot | Loriculus galgulus |
| Blue-crowned Lorikeet | Vini australis |
| Blue-crowned Motmot | Momotus momota |
| Blue-crowned Parakeet | Aratinga acuticaudata |
| Blue-crowned Racquet-tail | Prioniturus discurus |
| Blue-crowned Trogon | Trogon curucui |
| Blue-crowned Woodnymph | Thalurania colombica |
| Blue-eared Kingfisher | Alcedo meninting |
| Blue-faced Honeyeater | Entomyzon cyanotis |
| Blue-faced Malkoha | Rhopodytes viridirostris |
| Blue-faced Parrotfinch | Erythrura trichroa |
| Blue-footed Booby | Sula nebouxii |
| Blue-fronted Parrot | Amazona aestiva |
| Blue-grey Gnatcatcher | Polioptila caerulea |
| Blue-grey Tanager | Thraupis episcopus |
| Blue-headed Bee-eater | Merops muelleri |
| Blue-headed Coucal | Centropus monachus |
| Blue-headed Fantail | Rhipidura cyaniceps |
| Blue-headed Hummingbird | Cyanophaia bicolor |
| Blue-headed Macaw | Primolius couloni |
| Blue-headed Parrot | Pionus menstruus |
| Blue-headed Quail-Dove | Starnoenas cyanocephala |
| Blue-headed Sunbird | Nectarinia alinae |
| Blue-headed Vireo | Vireo solitarius |
| Blue-headed Wood-Dove | Turtur brehmeri |
| Blue-knobbed Curassow | Crax alberti |
| Blue-naped Chlorophonia | Chlorophonia cyanea |
| Blue-naped Mousebird | Urocolius macrourus |
| Blue-naped Parrot | Tanygnathus lucionensis |
| Blue-necked Tanager | Tangara cyanicollis |
| Blue-rumped Parrot | Psittinus cyanurus |
| Blue-tailed Bee-eater | Merops philippinus |
| Blue-tailed Emerald | Chlorostilbon mellisugus |
| Bluethroat | Luscinia svecica |
| Blue-throated Bee-eater | Merops viridis |
| Blue-throated Flycatcher | Cyornis rubeculoides |
| Blue-throated Hummingbird | Lampornis clemenciae |
| Blue-throated Parakeet | Pyrrhura cruentata |
| Blue-throated Piping-Guan | Aburria cumanensis |
| Blue-throated Piping-Guan | Aburria pipile |
| Blue-throated Roller | Eurystomus gularis |
| Blue-throated Sapphire | Hylocharis eliciae |
| Blue-throated Toucanet | Aulacorhynchus caeruleogularis |
| Blue-tufted Starthroat | Heliomaster furcifer |
| Blue-winged Goose | Cyanochen cyanoptera |
| Blue-winged Kookaburra | Dacelo leachii |
| Blue-winged Macaw | Primolius maracana |
| Blue-winged Minla | Minla cyanouroptera |
| Blue-winged Pitta | Pitta moluccensis |
| Blue-winged Teal | Anas discors |
| Blue-winged Warbler | Vermivora pinus |
| Blyth's hawk-eagle | Nisaetus alboniger |
| Blyth's Hawk-Eagle | Spizaetus alboni |
| Blyth's Hornbill | Rhyticeros plicatus |
| Blyth's Tragopan | Tragopan blythii |
| Boat-billed Flycatcher | Megarynchus pitangua |
| Boat-billed Heron | Cochlearius cochlearius |
| Boat-tailed Grackle | Quiscalus major |
| Bobolink | Dolichonyx oryzivorus |
| Bogota Rail | Rallus semiplumbeus |
| Bohemian Waxwing | Bombycilla garrulus |
| Böhm's Bee-eater | Merops boehmi |
| Bokikokiko | Acrocephalus aequinoctialis |
| Bokmakierie Bushshrike | Telophorus zeylonus |
| Bonaparte's Gull | Chroicocephalus philadelphia |
| Bonelli's Eagle | Aquila fasciata |
| Bonin Petrel | Pterodroma hypoleuca |
| Booted Eagle | Hieraaetus pennatus |
| Booted Racket-tail | Ocreatus underwoodii |
| Boreal Chickadee | Poecile hudsonica |
| Boreal Owl | Aegolius funereus |
| Boreal Owl (Caucasian) | Aegolius funereus |
| Bornean Peacock-Pheasant | Polyplectron schleiermacheri |
| Bourke's Parrot | Neopsephotus bourkii |
| Bradfield's Hornbill | Tockus bradfieldi |
| Brahminy Kite | Haliastur indus |
| Brahminy Starling | Sturnus pagodarum |
| Brambling | Fringilla montifringilla |
| Brandt's Cormorant | Phalacrocorax penicillatus |
| Brant | Branta bernicla |
| Brazilian Merganser | Mergus octosetaceus |
| Brazilian Ruby | Clytolaema rubricauda |
| Brehm's Tiger-Parrot | Psittacella brehmii |
| Bridled Quail-Dove | Geotrygon mystacea |
| Bridled Tern | Onychoprion anaethetus |
| Bridled Titmouse | Baeolophus wollweberi |
| Bridled White-eye | Zosterops conspicillatus |
| Bristle-thighed Curlew | Numenius tahitiensis |
| Broad-billed Hummingbird | Cynanthus latirostris |
| Broad-billed Motmot | Electron platyrhynchum |
| Broad-billed Prion | Pachyptila vittata |
| Broad-billed Roller | Eurystomus glaucurus |
| Broad-billed Tody | Todus subulatus |
| Broad-tailed Hummingbird | Selasphorus platycercus |
| Broad-winged Hawk | Buteo platypterus |
| Brolga | Grus rubicunda |
| Bronze Mannikin | Lonchura cucullata |
| Bronzed Drongo | Dicrurus aeneus |
| Bronze-tailed Plumeleteer | Chalybura urochrysia |
| Bronze-winged Courser | Rhinoptilus chalcopterus |
| Bronze-winged Jacana | Metopidius indicus |
| Bronzy Hermit | Glaucis aeneus |
| Bronzy Jacamar | Galbula leucogastra |
| Bronzy Sunbird | Nectarinia kilimensis |
| Brown Booby | Sula leucogaster |
| Brown Dipper | Cinclus pallasii |
| Brown Eared-Pheasant | Crossoptilon mantchuricum |
| Brown Falcon | Falco berigora |
| Brown Fish Owl | Ketupa zeylonensis |
| Brown Goshawk | Accipiter fasciatus |
| Brown Jacamar | Brachygalba lugubris |
| Brown lory, Duyvenbode's lory | Chalcopsitta duivenbodei |
| Brown Noddy | Anous stolidus |
| Brown Pelican | Pelecanus occidentalis |
| Brown Shrike | Lanius cristatus |
| Brown Sicklebill | Epimachus meyeri |
| Brown Sicklebill | Amblyornis macgregoriae |
| Brown Skua | Stercorarius antarcticus |
| Brown Snake-Eagle | Circaetus cinereus |
| Brown Thrasher | Toxostoma rufum |
| Brown Tit-Babbler | Macronus striaticeps |
| Brown Trembler | Cinclocerthia ruficauda |
| Brown Violet-ear | Colibri delphinae |
| Brown Wood-Owl | Strix leptogrammica |
| Brown-backed Parrotlet | Touit melanonotus |
| Brown-capped Babbler | Pellorneum fuscocapillus |
| Brown-capped Rosy-Finch | Leucosticte australis |
| Brown-cheeked Hornbill | Bycanistes cylindricus |
| Brown-crested Flycatcher | Myiarchus tyrannulus |
| Brown-fronted Woodpecker | Dendrocopos auriceps |
| Brown-headed Cowbird | Molothrus ater |
| Brown-headed Gull | Chroicocephalus brunnicephalus |
| Brown-headed Nuthatch | Sitta pusilla |
| Brown-headed Parrot | Poicephalus cryptoxanthus |
| Brown-hooded Gull | Chroicocephalus maculipennis |
| Brown-hooded Kingfisher | Halcyon albiventris |
| Brown-necked Parrot | Poicephalus robustus |
| Brown-necked Parrot | Poicephalus robustus |
| Brown-necked Raven | Corvus ruficollis |
| Brown-throated Parakeet | Aratinga pertinax |
| Brown-throated Parakeet | Aratinga pertinax |
| Brown-throated parakeet | Eupsittula pertinax |
| Brown-winged Kingfisher | Pelargopsis amauroptera |
| Brubru | Nilaus afer |
| Bruce's Green Pigeon | Treron waalia |
| Brush Cuckoo | Cacomantis variolosus |
| Budgerigar | Melopsittacus undulatus |
| Buffalo Weaver | Bubalornis albirostris |
| Buff-banded Rail | Gallirallus philippensis |
| Buff-bellied hummingbird | Amazilia yucatanensis |
| Buff-bellied Monarch | Neolalage banksiana |
| Buff-breasted Paradise-Kingfisher | Tanysiptera sylvia |
| Buff-cheeked Greenlet | Hylophilus muscicapinus |
| Buff-crested Bustard | Lophotis gindiana |
| Buff-headed Coucal | Centropus milo |
| Bufflehead | Bucephala albeola |
| Buff-necked Ibis | Theristicus caudatus |
| Buff-streaked Chat | Campicoloides bifasciatus |
| Buff-throated Foliage-gleaner | Automolus ochrolaemus |
| Buff-throated Saltator | Saltator maximus |
| Buff-throated Woodcreeper | Xiphorhynchus guttatus |
| Buff-winged Starfrontlet | Coeligena lutetiae |
| Buffy Fish-Owl | Ketupa ketupu |
| Buffy Hummingbird | Leucippus fallax |
| Bugun Liocichla | Liocichla bugunorum |
| Buller's Albatross | Thalassarche bulleri |
| Bull-headed Shrike | Lanius bucephalus |
| Bullock's Oriole | Icterus bullockii |
| Bulwer's petrel | Bulweria bulwerii |
| Bulwer's Pheasant | Lophura bulweri |
| Bumblebee Hummingbird | Atthis heloisa |
| Burchell's Courser | Cursorius rufus |
| Burchell's Glossy-Starling | Lamprotornis australis |
| Burchell's Sandgrouse | Pterocles burchelli |
| Burnished-buff Tanager | Tangara cayana |
| Burrowing Owl | Athene cunicularia |
| Burrowing Parakeet | Cyanoliseus patagonus |
| Bush Wren | Xenicus longipes |
| Bushy-crested Hornbill | Anorrhinus galeritus |
| Bushy-crested Jay | Cyanocorax melanocyaneus |
| Caatinga Woodpecker | Celeus obrieni |
| Cabanis's Bunting | Emberiza cabanisi |
| Cabot's Tern | Thalasseus sandvicensis |
| Cabot's Tragopan | Tragopan caboti |
| Cackling Goose | Branta hutchinsii |
| Cackling Goose | Branta hutchinsii |
| Cactus Wren | Campylorhynchus brunneicapillus |
| Caica Parrot | Pionopsitta caica |
| California Condor | Gymnogyps californianus |
| California Gull | Larus californicus |
| California Quail | Callipepla californica |
| Calliope Hummingbird | Stellula calliope |
| Calliope Hummingbird | Selasphorus calliope |
| Cameroon Francolin | Francolinus camerunensis |
| Cameroon Indigobird | Vidua camerunensis |
| Cameroon Scrub-Warbler | Bradypterus lopezi |
| Camiguin Hanging-parrot | Loriculus camiguinensis |
| Campbell's Partridge, Malaysian Partridge | Arborophila campbelli |
| Campbell's Partridge, Malaysian Partridge | Arborophila charltonii |
| Campo Flicker | Colaptes campestris |
| Campo Troupial | Icterus jamacaii |
| Canada Goose | Branta canadensis |
| Canada Warbler | Wilsonia canadensis |
| Canada Warbler | Cardellina canadensis |
| Canary-winged Parakeet | Brotogeris versicolurus |
| Canvasback | Aythya valisineria |
| Cape Barren Goose | Cereopsis novaehollandiae |
| Cape Batis | Batis capensis |
| Cape Cormorant | Phalacrocorax capensis |
| Cape Eagle-Owl | Bubo capensis |
| Cape Gannet | Morus capensis |
| Cape Glossy-Starling | Lamprotornis nitens |
| Cape Griffon | Gyps coprotheres |
| Cape May Warbler | Dendroica tigrina |
| Cape Petrel | Daption capense |
| Cape Robin-Chat | Cossypha caffra |
| Cape Shoveler | Anas smithii |
| Cape Sparrow | Passer melanurus |
| Cape Sugarbird | Promerops cafer |
| Cape Teal | Anas capensis |
| Cape Verde Buzzard | Buteo bannermani |
| Cape Verde Shearwater | Calonectris edwardsii |
| Cape Verde Sparrow | Passer iagoensis |
| Cape Verde Swamp-Warbler | Acrocephalus brevipennis |
| Cape Wagtail | Motacilla capensis |
| Cape Weaver | Ploceus capensis |
| Capped Heron | Pilherodius pileatus |
| Cardinal Lory | Chalcopsitta cardinalis |
| Cardinal Myzomela | Myzomela cardinalis |
| Cardinal Quelea | Quelea cardinalis |
| Cardinal Woodpecker | Dendropicos fuscescens |
| Carib Grackle | Quiscalus lugubris |
| Caribbean Coot | Fulica caribaea |
| Caribbean Dove | Leptotila jamaicensis |
| Caribbean Elaenia | Elaenia martinica |
| Caribbean Flamingo | Phoenicopterus ruber |
| Caribbean Martin | Progne dominicensis |
| Carmine Bee-eater | Merops nubicoides |
| Carola's Parotia | Parotia carolae |
| Carolina Parakeet | Conuropsis carolinensis |
| Carolina Wren | Thryothorus ludovicianus |
| Caroline Islands Ground-Dove | Gallicolumba kubaryi |
| Caroline Islands White-eye | Zosterops semperi |
| Carp's Tit | Parus carpi |
| Carrion Crow | Corvus corone |
| Carrion crow, Hooded Crow | Corvus cornix |
| Caspian Gull | Larus cachinnans |
| Caspian Snowcock | Tetraogallus caspius |
| Caspian Tern | Hydroprogne caspia |
| Cassin's hawk-eagle | Aquila africana |
| Cassin's Hawk-Eagle | Spizaetus africanus |
| Cattle Egret | Bubulcus ibis |
| Cauca Guan | Penelope perspicax |
| Caucasian Grouse | Lyrurus mlokosiewiczi |
| Caucasian Snowcock | Tetraogallus caucasicus |
| Cedar Waxwing | Bombycilla cedrorum |
| Central American pygmy owl | Glaucidium griseiceps |
| Cerulean Warbler | Dendroica cerulea |
| Ceylon Grey-Hornbill | Ocyceros gingalensis |
| Ceylon Hanging-Parrot | Loriculus beryllinus |
| Ceylon Junglefowl | Gallus lafayetii |
| Ceylon Magpie | Urocissa ornata |
| Ceylon Myna | Gracula ptilogenys |
| Ceylon Spurfowl | Galloperdix bicalcarata |
| Ceylon Whistling-Thrush | Myophonus blighi |
| Ceylon White-eye | Zosterops ceylonensis |
| Ceylon Wood-Pigeon | Columba torringtoniae |
| Chaco Chachalaca | Ortalis canicollis |
| Chaco Suiriri | Suiriri suiriri |
| Chaffinch | Fringilla coelebs |
| Chalk-browed Mockingbird | Mimus saturninus |
| Changeable hawk-eagle | Nisaetus cirrhatus |
| Channel-billed Toucan | Ramphastos vitellinus |
| Chaplin's Barbet | Lybius chaplini |
| Charles Mockingbird | Mimus trifasciatus |
| Charles Mockingbird | Nesomimus trifasciatus |
| Chatham Islands Albatross | Thalassarche eremita |
| Chatham Islands Robin | Petroica traversi |
| Chatshrike | Lanioturdus torquatus |
| Chat-Tanager | Calyptophilus frugivorus |
| Chat-Tanager | Calyptophilus frugivorus |
| Chattering Lory | Lorius garrulus |
| Cheer Pheasant | Catreus wallichii |
| Chestnut Teal | Anas castanea |
| Chestnut Woodpecker | Celeus elegans |
| Chestnut-backed Chickadee | Poecile rufescens |
| Chestnut-backed Jewel-babbler | Ptilorrhoa castanonota |
| Chestnut-backed Sparrow-Lark | Eremopterix leucotis |
| Chestnut-backed Tanager | Tangara preciosa |
| Chestnut-banded Plover | Charadrius pallidus |
| Chestnut-bellied Helmetshrike | Prionops caniceps |
| Chestnut-bellied Hummingbird | Amazilia castaneiventris |
| Chestnut-bellied imperial pigeon | Ducula brenchleyi |
| Chestnut-bellied Kingfisher | Todiramphus farquhari |
| Chestnut-bellied Sandgrouse | Pterocles exustus |
| Chestnut-belted Gnateater | Conopophaga aurita |
| Chestnut-breasted Chlorophonia | Chlorophonia pyrrhophrys |
| Chestnut-breasted Malkoha | Zanclostomus curvirostris |
| Chestnut-breasted Munia | Lonchura castaneothorax |
| Chestnut-capped Laughingthrush | Garrulax mitratus |
| Chestnut-capped Piha | Lipaugus weberi |
| Chestnut-crowned Warbler | Seicercus castaniceps |
| Chestnut-eared Aracari | Pteroglossus castanotis |
| Chestnut-eared Finch | Taeniopygia castanotis |
| Chestnut-flanked White-eye | Zosterops erythropleurus |
| Chestnut-fronted Macaw | Ara severus |
| Chestnut-headed Bee-eater | Merops leschenaulti |
| Chestnut-headed Flufftail | Sarothrura lugens |
| Chestnut-headed Oropendola | Psarocolius wagleri |
| Chestnut-mandibled Toucan | Ramphastos swainsonii |
| Chestnut-sided Shrike-Vireo | Vireolanius melitophrys |
| Chestnut-sided White-eye | Zosterops mayottensis |
| Chestnut-tailed Minla | Minla strigula |
| Chestnut-tipped Toucanet | Aulacorhynchus derbianus |
| Chestnut-winged Cuckoo | Clamator coromandus |
| Chestnut-winged Starling | Onychognathus fulgidus |
| Chicken | Gallus gallus |
| Chilean Flamingo | Phoenicopterus chilensis |
| Chilean Mockingbird | Mimus thenca |
| Chilean Pigeon | Patagioenas araucana |
| Chilean Swallow | Tachycineta meyeni |
| Chiloe Wigeon | Anas sibilatrix |
| Chimachima, Chimachima Caracara, Northern Carrier Falcon, Yellow headed Caracara, Yellow-headed Caracara | Milvago chimachima |
| Chinese Crested Tern | Thalasseus bernsteini |
| Chinese Egret | Egretta eulophotes |
| Chinese Francolin | Francolinus pintadeanus |
| Chinese Goshawk | Accipiter soloensis |
| Chinese Grey Shrike | Lanius sphenocercus |
| Chinese Hwamei | Garrulax canorus |
| Chinese Monal | Lophophorus lhuysii |
| Chinese Pond-Heron | Ardeola bacchus |
| Chinspot Batis | Batis molitor |
| Chinstrap Penguin | Pygoscelis antarcticus |
| Chirinda Apalis | Apalis chirindensis |
| Chocolate-backed Kingfisher | Halcyon badia |
| Cholo Alethe | Pseudalethe choloensis |
| Chorister Robin-Chat | Cossypha dichroa |
| Christmas Island Frigatebird | Fregata andrewsi |
| Christmas Island Hawk-Owl | Ninox natalis |
| Christmas Island Imperial-Pigeon | Ducula whartoni |
| Christmas Island Shearwater | Puffinus nativitatis |
| Christmas Island White-eye | Zosterops natalis |
| Chucao Tapaculo | Scelorchilus rubecula |
| Chuck-will's-widow | Caprimulgus carolinensis |
| Chukar | Alectoris chukar |
| Cinderella Waxbill | Estrilda thomensis |
| Cinereous Bunting | Emberiza cineracea |
| Cinereous Tinamou | Crypturellus cinereus |
| Cinereous Vulture | Aegypius monachus |
| Cinnamon Bittern | Ixobrychus cinnamomeus |
| Cinnamon Hummingbird | Amazilia rutila |
| Cinnamon Teal | Anas cyanoptera |
| Cinnamon Tyrant-Manakin | Neopipo cinnamomea |
| Cinnamon-bellied Flowerpiercer | Diglossa baritula |
| Cinnamon-breasted Bunting | Emberiza tahapisi |
| Cinnamon-chested Bee-eater | Merops oreobates |
| Cirl Bunting | Emberiza cirlus |
| Citril Finch | Carduelis citrinella |
| Citrine Wagtail | Motacilla citreola |
| Clamorous Reed-Warbler | Acrocephalus stentoreus |
| Clapper Lark | Mirafra apiata |
| Clapper Rail | Rallus longirostris |
| Claret-breasted Fruit-Dove | Ptilinopus viridis |
| Clark's Nutcracker | Nucifraga columbiana |
| Clay-coloured Robin | Turdus grayi |
| Cliff Flycatcher | Hirundinea ferruginea |
| Cliff Swallow | Petrochelidon pyrrhonota |
| Cloud-forest Pygmy-Owl | Glaucidium nubicola |
| Cloven-feathered Dove | Drepanoptila holosericea |
| Coal Tit | Periparus ater |
| Cobb's Wren | Troglodytes cobbi |
| Cockatiel | Nymphicus hollandicus |
| Cockatoo | Cacatua sp. |
| Cocoa Thrush | Turdus fumigatus |
| Cocoi Heron | Ardea cocoi |
| Cocos Island Finch | Pinaroloxias inornata |
| Colasisi | Loriculus philippensis |
| Collared Aracari | Pteroglossus torquatus |
| Collared Falcone | Microhierax caerulescens |
| Collared Flycatcher | Ficedula albicollis |
| Collared Forest-Falcon | Micrastur semitorquatus |
| Collared Inca | Coeligena torquata |
| Collared Kingfisher | Todiramphus chloris |
| Collared Laughingthrush | Garrulax yersini |
| Collared Lory | Phigys solitarius |
| Collared Owlet | Glaucidium brodiei |
| Collared Petrel | Pterodroma leucoptera |
| Collared Petrel | Pterodroma brevipes |
| Collared Plover | Charadrius collaris |
| Collared Pratincole | Glareola pratincola |
| Collared Puffbird | Bucco capensis |
| Collared Scops-Owl | Otus lettia |
| Collared Scops-Owl | Otus bakkamoena |
| Collared Sunbird | Anthodiaeta collaris |
| Collared Sunbird | Hedydipna collaris |
| Collared Trogon | Trogon collaris |
| Comb-crested Jacana | Irediparra gallinacea |
| Common Babbler | Turdoides caudata |
| Common Black-Hawk | Buteogallus anthracinus |
| Common bronzewing | Phaps chalcoptera |
| Common Bush-Tanager | Chlorospingus ophthalmicus |
| Common Cactus Finch | Geospiza scandens |
| Common Chiffchaff | Phylloscopus collybita |
| Common Crane | Grus grus |
| Common Cuckoo | Cuculus canorus |
| Common Diuca-Finch | Diuca diuca |
| Common Diving Petrel | Pelecanoides urinatrix |
| Common Eider | Somateria mollissima |
| Common emerald dove, Asian emerald dove, Grey-capped emerald dove | Chalcophaps indica |
| Common Fiscal | Lanius collaris |
| Common Flameback | Dinopium javanense |
| Common Goldeneye | Bucephala clangula |
| Common Gonolek | Laniarius barbarus |
| Common Grackle | Quiscalus quiscula |
| Common Greenshank | Tringa nebularia |
| Common Grenadier | Uraeginthus granatinus |
| Common Ground-Dove | Columbina passerina |
| Common Hill Myna | Gracula religiosa |
| Common Iora | Aegithina tiphia |
| Common Kingfisher | Alcedo atthis |
| Common Koel | Eudynamys scolopaceus |
| Common linnet | Linaria cannabina |
| Common Merganser | Mergus merganser |
| Common Miner | Geositta cunicularia |
| Common Moorhen | Gallinula chloropus |
| Common Murre | Uria aalge |
| Common Myna | Acridotheres tristis |
| Common Nighthawk | Chordeiles minor |
| Common Nightingale | Luscinia megarhynchos |
| Common paradise kingfisher, Galatea paradise kingfisher, Racquet-tailed kingfisher | Tanysiptera galatea |
| Common Pochard | Aythya ferina |
| Common Potoo | Nyctibius griseus |
| Common Quail | Coturnix coturnix |
| Common Raven, Northern Raven | Corvus corax |
| Common Redpoll | Carduelis flavirostris |
| Common Redpoll | Carduelis flammea |
| Common Redpoll | Acanthis flammea |
| Common Redshank | Tringa totanus |
| Common Redstart | Phoenicurus phoenicurus |
| Common Ringed Plover | Charadrius hiaticula |
| Common Rosefinch | Carpodacus erythrinus |
| Common Scale-backed Antbird | Willisornis poecilinotus |
| Common Scimitar-bill | Rhinopomastus cyanomelas |
| Common Shelduck | Tadorna tadorna |
| Common Snipe | Gallinago gallinago |
| Common Starling, European Starling | Sturnus vulgaris |
| Common Swift | Apus apus |
| Common Tailorbird | Orthotomus sutorius |
| Common Tern | Sterna hirundo |
| Common Tody-Flycatcher | Todirostrum cinereum |
| Common Waxbill | Estrilda astrild |
| Common Woodnymph | Thalurania furcata |
| Common Wood-Pigeon | Columba palumbus |
| Common Yellowthroat | Geothlypis trichas |
| Comoro Blue-Pigeon | Alectroenas sganzini |
| Comoro Pigeon | Columba pollenii |
| Congo Bay-Owl | Phodilus prigoginei |
| Congo Peacock | Afropavo congensis |
| Congo serpent eagle | Circaetus spectabilis |
| Congo Serpent Eagle | Dryotriorchis spectabilis |
| Cook Island Kingfisher, Mangaia Kingfisher, Mewing Kingfisher | Todiramphus ruficollaris |
| Cook Islands Fruit-Dove | Ptilinopus rarotongensis |
| Cook Islands Reed-Warbler | Acrocephalus kerearako |
| Cook's Petrel | Pterodroma cookii |
| Cooper's Hawk | Accipiter cooperii |
| Copper Pheasant | Syrmaticus soemmerringii |
| Copper Sunbird | Cinnyris cupreus |
| Copper-rumped Hummingbird | Amazilia tobaci |
| Coppersmith Barbet | Psilopogon haemacephalus |
| Coppersmith Barbet | Megalaima haemacephala |
| Copper-tailed Glossy-Starling | Hylopsar cupreocauda |
| Copper-throated Sunbird | Leptocoma calcostetha |
| Coppery-bellied Puffleg | Eriocnemis cupreoventris |
| Coqui Francolin | Peliperdix coqui |
| Coral-billed Scimitar Babbler | Pomatorhinus ferruginosus |
| Corn Bunting | Emberiza calandra |
| Corn Crake | Crex crex |
| Correndera Pipit | Anthus correndera |
| Cory's Shearwater | Calonectris diomedea |
| Cory's Shearwater | Calonectris borealis |
| Coscoroba Swan | Coscoroba coscoroba |
| Costa's Hummingbird | Calypte costae |
| Couch's Kingbird | Tyrannus melancholicus |
| Crab Plover | Dromas ardeola |
| Craveri's Murrelet | Synthliboramphus craveri |
| Cream backed Woodpecker, Cream-backed Woodpecker | Campephilus leucopogon |
| Cream-bellied Fruit-Dove | Ptilinopus merrilli |
| Cream-colored Courser | Cursorius cursor |
| Cream-colored Woodpecker | Celeus flavus |
| Crested Argus | Rheinardia ocellata |
| Crested Auklet | Aethia cristatella |
| Crested Bird-of-paradise | Cnemophilus macgregorii |
| Crested Bobwhite | Colinus cristatus |
| Crested Caracara | Caracara cheriway |
| Crested Coua | Coua cristata |
| Crested Cuckoo-Dove | Reinwardtoena crassirostris |
| Crested Drongo | Dicrurus forficatus |
| Crested Duck | Lophonetta specularioides |
| Crested Eagle | Morphnus guianensis |
| Crested Fireback | Lophura ignita |
| Crested Francolin | Francolinus sephaena |
| Crested francolin | Dendroperdix sephaena |
| Crested Gallito | Rhinocrypta lanceolata |
| Crested Goshawk | Accipiter trivirgatus |
| Crested Guan | Penelope purpurascens |
| Crested Guineafowl | Guttera pucherani |
| Crested Hawk-eagle | Spizaetus cirrhatus |
| Crested Ibis | Nipponia nippon |
| Crested Kingfisher | Megaceryle lugubris |
| Crested Lark | Galerida cristata |
| Crested Malimbe | Malimbus malimbicus |
| Crested Myna | Acridotheres cristatellus |
| Crested Oropendola | Psarocolius decumanus |
| Crested Partridge | Rollulus rouloul |
| Crested pigeon | Ocyphaps lophotes |
| Crested Quail-Dove | Geotrygon versicolor |
| Crested Serpent-Eagle | Spilornis cheela |
| Crested Shelduck | Tadorna cristata |
| Crested Treeswift | Hemiprocne coronata |
| Crestless Fireback | Lophura erythrophthalma |
| Crimson Chat | Epthianura tricolor |
| Crimson Finch | Neochmia phaeton |
| Crimson Finch-Tanager | Rhodospingus cruentus |
| Crimson Fruitcrow | Haematoderus militaris |
| Crimson Shining Parrot | Prosopeia splendens |
| Crimson Sunbird | Aethopyga siparaja |
| Crimson Topaz | Topaza pella |
| Crimson-backed Tanager | Ramphocelus dimidiatus |
| Crimson-bellied Parakeet | Pyrrhura perlata |
| Crimson-breasted Shrike, Crimson-breasted Gonolek | Laniarius atrococcineus |
| Crimson-collared Tanager | Ramphocelus sanguinolentus |
| Crimson-crested Woodpecker | Campephilus melanoleucos |
| Crimson-crowned Fruit Dove | Ptilinopus porphyraceus |
| Crimson-fronted Parakeet | Aratinga finschi |
| Crimson-headed Partridge | Haematortyx sanguiniceps |
| Crimson-hooded | Pipra aureola |
| Crimson-mantled Woodpecker | Piculus rivolii |
| Crimson-rumped Toucanet | Aulacorhynchus haematopygus |
| Crinkle-collared Manucode | Manucodia chalybata |
| Crow Honeyeater | Gymnomyza aubryana |
| Crowned Eagle | Stephanoaetus coronatus |
| Crowned Eagle | Buteogallus coronatus |
| Crowned Eagle | Harpyhaliaetus coronatus |
| Crowned Lapwing | Vanellus coronatus |
| Crowned Sandgrouse | Pterocles coronatus |
| Cuban Blackbird | Dives atroviolaceus |
| Cuban Bullfinch | Melopyrrha nigra |
| Cuban Crow | Corvus nasicus |
| Cuban Emerald | Chlorostilbon ricordii |
| Cuban Gnatcatcher | Polioptila lembeyei |
| Cuban Grassquit | Tiaris canorus |
| Cuban Parakeet | Aratinga euops |
| Cuban Parrot | Amazona leucocephala |
| Cuban pewee | Contopus caribaeus |
| Cuban Pygmy-Owl | Glaucidium siju |
| Cuban Solitaire | Myadestes elisabeth |
| Cuban Tody | Todus multicolor |
| Cuban Trogon | Priotelus temnurus |
| Cuban Vireo | Vireo gundlachii |
| Cuban Woodpecker | Xiphidiopicus percussus |
| Cuckoo-Roller | Leptosomus discolor |
| Curlew Sandpiper | Calidris ferruginea |
| Curve-billed Thrasher | Toxostoma curvirostre |
| Curve-winged Sabrewing | Campylopterus curvipennis |
| Cut-throat Finch | Amadina fasciata |
| Cyprus Warbler | Sylvia melanothorax |
| Cyprus Wheatear | Oenanthe cypriaca |
| Dalmatian Pelican | Pelecanus crispus |
| Damara Red-billed Hornbill | Tockus damarensis |
| Damara Rock-jumper | Achaetops pycnopygius |
| Damara Tern | Sternula balaenarum |
| Dambo Cisticola | Cisticola dambo |
| Dark Chanting Goshawk | Melithreptus gularis |
| Dark Chanting-Goshawk | Melierax metabates |
| Dark-billed Cuckoo | Coccyzus melacoryphus |
| Dark-brown Honeyeater | Lichmera incana |
| Dark-capped Bulbul | Pycnonotus tricolor |
| Dark-faced Ground Tyrant | Muscisaxicola maclovianus |
| Darter | Anhinga melanogaster |
| Dartford Warbler | Sylvia undata |
| Darwin's Flycatcher | Pyrocephalus rubinus |
| Daurian Partridge | Perdix dauurica |
| Daurian Redstart | Phoenicurus auroreus |
| Demoiselle Crane | Anthropoides virgo |
| Derbyan Parakeet | Psittacula derbiana |
| Desert Lark | Ammomanes deserti |
| Desert owl | Strix hadorami |
| Desert Sparrow | Passer simplex |
| Desert Wheatear | Oenanthe deserti |
| Diademed Tanager | Stephanophorus diadematus |
| Diamond Dove | Geopelia cuneata |
| Diamond Firetail | Stagonopleura guttata |
| Diard's Trogon | Harpactes diardii |
| Dickcissel | Spiza americana |
| Dickinson's Kestrel | Falco dickinsoni |
| Dideric Cuckoo | Chrysococcyx caprius |
| Djibouti Francolin | Francolinus ochropectus |
| Doherty's Bushshrike | Chlorophoneus dohertyi |
| Dohrn's Flycatcher | Horizorhinus dohrni |
| Dollarbird | Eurystomus orientalis |
| Dolphin Gull | Leucophaeus scoresbii |
| Dolphin Gull | Larus scoresbii |
| Doria's Goshawk | Megatriorchis doriae |
| Dotted Tanager | Tangara varia |
| Double-banded Plover | Charadrius bicinctus |
| Double-banded Pygmy-Tyrant | Lophotriccus vitiosus |
| Double-banded Sandgrouse | Pterocles bicinctus |
| Double-barred Finch | Taeniopygia bichenovii |
| Double-collared Seedeater | Sporophila caerulescens |
| Double-crested Cormorant | Phalacrocorax auritus |
| Double-eyed Fig-Parrot | Cyclopsitta diophthalma |
| Double-spurred Francolin | Francolinus bicalcaratus |
| Double-toothed Barbet | Lybius bidentatus |
| Double-toothed Kite | Harpagus bidentatus |
| Dove | Columba sp. |
| Dovekie | Alle alle |
| Downy Woodpecker | Picoides pubescens |
| Drab Water-Tyrant | Ochthornis littoralis |
| Duchess Lorikeet | Charmosyna margarethae |
| Ducorps's Cockatoo | Cacatua ducorpsii |
| Dull-blue Flycatcher | Eumyias sordidus |
| Dune Lark | Calendulauda erythrochlamys |
| Dune Lark | Certhilauda erythrochlamys |
| Dunlin | Calidris alpina |
| Dunnock | Prunella modularis |
| Dunn's Lark | Eremalauda dunni |
| Dupont's Lark | Chersophilus duponti |
| Dusky Broadbill | Corydon sumatranus |
| Dusky Eagle-Owl | Bubo coromandus |
| Dusky Lory | Pseudeos fuscata |
| Dusky moorhen | Gallinula tenebrosa |
| Dusky Parrot | Pionus fuscus |
| Dusky Purpletuft | Iodopleura fusca |
| Dusky Sunbird | Cinnyris fuscus |
| Dusky Thrush | Turdus eunomus |
| Dusky Twinspot | Euschistospiza cinereovinacea |
| Dusky White-eye | Zosterops finschii |
| Dusky-billed Parrotlet | Forpus modestus |
| Dusky-headed Parakeet | Aratinga weddellii |
| Dusky-legged Guan | Penelope obscura |
| Dwarf Cassowary | Casuarius bennetti |
| Dwarf Kingfisher | Ceyx lecontei |
| Dwarf Olive Ibis | Bostrychia bocagei |
| Eagle | Aquila sp. |
| Eared Dove | Zenaida auriculata |
| Eared Quetzal | Euptilotis neoxenus |
| East Coast Akalat | Sheppardia gunningi |
| Eastern Bluebird | Sialia sialis |
| Eastern bronze ground dove | Alopecoenas beccarii |
| Eastern Cattle Egret | Bubulcus coromandus |
| Eastern Double-collared Sunbird | Cinnyris mediocris |
| Eastern grass owl | Tyto longimembris |
| Eastern Grass-Owl | Tyto capensis |
| Eastern Great Egret | Ardea modesta |
| Eastern Ground Parrot | Pezoporus wallicus |
| Eastern Kingbird | Tyrannus tyrannus |
| Eastern Meadowlark | Sturnella magna |
| Eastern Orphean Warbler, Orphean warbler | Sylvia crassirostris |
| Eastern Paradise-Whydah | Vidua paradisaea |
| Eastern Rosella | Platycercus eximius |
| Eastern Screech-Owl | Megascops asio |
| Eastern Spot-billed Duck | Anas poecilorhyncha |
| Eastern Towhee | Pipilo erythrophthalmus |
| Eastern Wood-Pewee | Contopus virens |
| Eastern Yellow-billed Hornbill | Tockus flavirostris |
| Eaton's Pintail | Anas eatoni |
| Eclectus Parrot | Eclectus roratus |
| Ecuadorian Hillstar | Oreotrochilus chimborazo |
| Ecuadorian Piedtail | Phlogophilus hemileucurus |
| Edwards's Fig-Parrot | Psittaculirostris edwardsii |
| Edwards's Pheasant | Lophura edwardsi |
| Egyptian Goose | Alopochen aegyptiaca |
| Egyptian Goose | Alopechen aegyptiacus |
| Egyptian Plover | Pluvianus aegyptius |
| Egyptian Vulture | Neophron percnopterus |
| Elegant Euphonia | Euphonia elegantissima |
| Elegant Parrot | Neophema elegans |
| Elegant Sunbird | Aethopyga duyvenbodei |
| Elegant Tern | Thalasseus elegans |
| Elegant Trogon | Trogon elegans |
| Eleonora's Falcon | Falco eleonorae |
| Elf Owl | Micrathene whitneyi |
| Elliot's Pheasant | Syrmaticus ellioti |
| Emerald Starling | Coccycolius iris |
| Emerald Tanager | Tangara florida |
| Emerald Toucanet | Aulacorhynchus prasinus |
| Emerald-chinned Hummingbird | Abeillia abeillei |
| Emerald-spotted Wood-Dove | Turtur chalcospilos |
| Emma's Parakeet | Pyrrhura leucotis |
| Emperor Bird-of-paradise | Paradisaea guilielmi |
| Emperor Penguin | Aptenodytes forsteri |
| Emu | Dromaius novaehollandiae |
| Erckel's Francolin | Francolinus erckelii |
| Erect-crested Penguin | Eudyptes sclateri |
| Eskimo Curlew | Numenius borealis |
| Ethiopian Oriole | Oriolus monacha |
| Eurasian Blackbird, Common Blackbird | Turdus merula |
| Eurasian Blackcap,Blackcap | Sylvia atricapilla |
| Eurasian Blue Tit | Cyanistes caeruleus |
| Eurasian Bullfinch | Pyrrhula pyrrhula |
| Eurasian Buzzard | Buteo buteo |
| Eurasian Collared-Dove | Streptopelia decaocto |
| Eurasian Coot | Fulica atra |
| Eurasian crag martin | Ptyonoprogne rupestris |
| Eurasian Curlew | Numenius arquata |
| Eurasian Dotterel | Charadrius morinellus |
| Eurasian Eagle-Owl | Bubo bubo |
| Eurasian Golden Oriole | Oriolus oriolus |
| Eurasian Hobby | Falco subbuteo |
| Eurasian Hoopoe | Upupa epops |
| Eurasian Jackdaw | Corvus monedula |
| Eurasian Jay | Garrulus glandularius |
| Eurasian Jay | Garrulus glandarius |
| Eurasian Kestrel | Falco tinnunculus |
| Eurasian Linnet | Carduelis cannabina |
| Eurasian Magpie | Pica pica |
| Eurasian Nuthatch | Sitta europaea |
| Eurasian Oystercatcher | Haematopus ostralegus |
| Eurasian penduline tit, European penduline tit | Remiz pendulinus |
| Eurasian Pygmy-Owl | Glaucidium passerinum |
| Eurasian Reed-Warbler | Acrocephalus scirpaceus |
| Eurasian Siskin | Carduelis spinus |
| Eurasian Siskin | Spinus spinus |
| Eurasian Skylark | Alauda arvensis |
| Eurasian Sparrowhawk | Accipiter nisus |
| Eurasian Spoonbill | Platalea leucorodia |
| Eurasian Teal | Anas crecca |
| Eurasian Thick-knee | Burhinus oedicnemus |
| Eurasian Three-toed Woodpecker | Picoides tridactylus |
| Eurasian Tree Sparrow | Passer montanus |
| Eurasian Treecreeper | Certhia familiaris |
| Eurasian Wigeon | Anas penelope |
| Eurasian Woodcock | Scolopax rusticola |
| Eurasian Wryneck | Jynx torquilla |
| European Bee-eater | Merops apiaster |
| European Crested Tit, Crested Tit | Lophophanes cristatus |
| European Golden Plover | Pluvialis apricaria |
| European Goldfinch | Carduelis carduelis |
| European Greenfinch | Carduelis chloris |
| European Herring Gull | Larus argentatus |
| European Honey-buzzard | Pernis apivorus |
| European Nightjar, Eurasian nightjar, Nightjar | Caprimulgus europaeus |
| European Pied Flycatcher | Ficedula hypoleuca |
| European Robin | Erithacus rubecula |
| European Roller | Coracias garrulus |
| European Scops-Owl | Otus scops |
| European Serin | Serinus serinus |
| European Stonechat | Saxicola rubicola |
| European Storm-Petrel | Hydrobates pelagicus |
| European Turtle-Dove | Streptopelia turtur |
| Evening Grosbeak | Coccothraustes vespertinus |
| Fairy Lorikeet | Charmosyna pulchella |
| Fairy Pitta | Pitta nympha |
| Fairy Prion | Pachyptila turtur |
| Fairy Tern | Sternula nereis |
| Falcated Duck | Anas falcata |
| Falkland Steamer Duck | Tachyeres brachypterus |
| Fan-tailed Cuckoo | Cacomantis flabelliformis |
| Fan-tailed Widowbird | Euplectes axillaris |
| Far Eastern Cur | Numenius madagascariensis |
| Fawn-breasted Brilliant | Heliodoxa rubinoides |
| Fawn-breasted Tanager | Pipraeidea melanonota |
| Fearful Owl | Nesasio solomonensis |
| Fea's Petrel | Pterodroma feae |
| Fernandina's Flicker | Colaptes fernandinae |
| Ferruginous Hawk | Buteo regalis |
| Ferruginous Pochard | Aythya nyroca |
| Ferruginous Pygmy Owl | Glaucidium brasilianum |
| Ferruginous-backed Antbird | Myrmeciza ferruginea |
| Festive Amazon | Amazona festiva |
| Fieldfare | Turdus pilaris |
| Fiery Topaz | Topaza pyra |
| Fiery-breasted Bushshrike | Malaconotus cruentus |
| Fiery-necked nightjar | Caprimulgus pectoralis |
| Fiery-throated Hummingbird | Panterpe insignis |
| Fiji Goshawk | Accipiter rufitorques |
| Fiji Parrotfinch | Erythrura pealii |
| Fiji Whistler | Pachycephala graeffii |
| Finsch's Euphonia | Euphonia finschi |
| Finsch's Pygmy-Parrot | Micropsitta finschii |
| Fiordland Penguin | Eudyptes pachyrhynchus |
| Fire-bellied Woodpecker | Dendropicos pyrrhogaster |
| Firecrest | Regulus ignicapillus |
| Fire-maned Bowerbird | Sericulus bakeri |
| Fire-tailed Myzornis | Myzornis pyrrhoura |
| Fire-tailed Sunbird | Aethopyga ignicauda |
| Fischer's Lovebird | Agapornis fischeri |
| Fischer's Turaco | Tauraco fischeri |
| Flame Robin | Petroica phoenicea |
| Flamecrest | Regulus goodfellowi |
| Flaming Sunbird | Aethopyga flagrans |
| Flat-billed Kingfisher | Todiramphus sanctus |
| Flat-billed Vireo | Vireo nanus |
| Flesh-footed Shearwater | Puffinus carneipes |
| Flightless Cormorant | Phalacrocorax harrisi |
| Flightless Steamerduck | Tachyeres pteneres |
| Flores Hawk-Eagle | Nisaetus floris |
| Flores Scops-Owl | Otus alfredi |
| Florida Scrub-Jay | Aphelocoma coerulescens |
| Flying Steamerduck | Tachyeres patachonicus |
| Forest Bittern | Zonerodius heliosylus |
| Forest Fody | Foudia omissa |
| Forest Francolin | Francolinus lathami |
| Forest Kingfisher | Todiramphus macleayii |
| Forest Thrush | Turdus lherminieri |
| Forest Thrush | Cichlherminia lherminieri |
| Forest Wagtail | Dendronanthus indicus |
| Fork-tailed Drongo | Dicrurus adsimilis |
| Fork-tailed Flycatcher | Tyrannus savana |
| Fork-tailed Storm-Petrel | Oceanodroma furcata |
| Fork-tailed Sunbird | Aethopyga christinae |
| Formosan Whistling-Thrush | Myophonus insularis |
| Forster's Tern | Sterna forsteri |
| Four-banded Sandgrouse | Pterocles quadricinctus |
| Four-colored Bushshrike | Chlorophoneus quadricolor |
| Four-coloured Bushshrike | Telophorus viridis |
| Fox Sparrow | Passerella iliaca |
| Fox's Weaver | Ploceus spekeoides |
| Franklin's Gull | Leucophaeus pipixcan |
| Franklin's Gull | Larus pipixcan |
| Fraser's Eagle-Owl | Bubo poensis |
| Freckle-breasted Thornbird | Phacellodomus striaticollis |
| Freckled duck | Stictonetta naevosa |
| Frigatebird | Fregata sp. |
| Frilled Coquette | Lophornis magnificus |
| Fujian Niltava | Niltava davidi |
| Fulvous Chatterer | Turdoides fulva |
| Fulvous Owl | Strix fulvescens |
| Fulvous whistling duck, Fulvous tree duck | Dendrocygna bicolor |
| Gabar Goshawk | Micronisus gabar |
| Gabar Goshawk | Melierax gabar |
| Gadwall | Anas strepera |
| Galah | Eolophus roseicapilla |
| Galapagos Hawk | Buteo galapagoensis |
| Galapagos Mockingbird | Mimus parvulus |
| Galapagos Penguin | Spheniscus mendiculus |
| Gambel's Quail | Callipepla gambelii |
| Gang-gang Cockatoo | Callocephalon fimbriatum |
| Garden Bulbul | Pycnonotus barbatus |
| Garden Warbler | Sylvia borin |
| Garganey | Anas querquedula |
| Gartered Trogon | Trogon caligatus |
| Gentoo Penguin | Pygoscelis papua |
| Germain's Peacock-Pheasant | Polyplectron germaini |
| Germain's Swiftlet | Aerodramus germani |
| Giant Antpitta | Grallaria gigantea |
| Giant Antshrike | Batara cinerea |
| Giant Coot | Fulica gigantea |
| Giant Coua | Coua gigas |
| Giant Cowbird | Molothrus oryzivorus |
| Giant Honeyeater | Gymnomyza viridis |
| Giant Ibis | Pseudibis gigantea |
| Giant Kingbird | Tyrannus cubensis |
| Giant Kingfisher | Megaceryle maxima |
| Giant Weaver | Ploceus grandis |
| Giant White-eye | Megazosterops palauensis |
| Giant Wood-Rail | Aramides ypecaha |
| Gila Woodpecker | Melanerpes uropygialis |
| Gilded Flicker | Colaptes chrysoides |
| Gilded Hummingbird | Hylocharis chrysura |
| Glaucous Gull | Larus hyperboreus |
| Glaucous-winged Gull | Larus glaucescens |
| Glittering-bellied Emerald | Chlorostilbon lucidus |
| Glittering-throated Emerald | Amazilia fimbriata |
| Glossy Ibis | Plegadis falcinellus |
| Glossy Swiftlet | Collocalia esculenta |
| Glossy-black Thrush | Turdus serranus |
| Gold-billed Magpie | Urocissa flavirostris |
| Goldcrest | Regulus regulus |
| Golden Eagle | Aquila chrysaetos |
| Golden masked owl, New Britain barn owl, New Britain masked owl, Bismarck owl, Bismarck masked owl | Tyto aurantia |
| Golden Nightjar | Caprimulgus eximius |
| Golden Palm Weaver | Ploceus bojeri |
| Golden Parakeet | Guaruba guarouba |
| Golden Pheasant | Chrysolophus pictus |
| Golden Pipit | Tmetothylacus tenellus |
| Golden Swallow | Tachycineta euchrysea |
| Golden Tanager | Tangara arthus |
| Golden Whistler | Pachycephala pectoralis |
| Golden White-eye | Cleptornis marchei |
| Golden-backed Weaver | Ploceus jacksoni |
| Golden-breasted Bunting | Emberiza flaviventris |
| Golden-breasted Starling | Lamprotornis regius |
| Golden-capped Parakeet | Aratinga auricapillus |
| Golden-collared Macaw | Primolius auricollis |
| Golden-collared Woodpecker | Veniliornis cassini |
| Golden-crowned Kinglet | Regulus satrapa |
| Golden-crowned Warbler | Basileuterus culicivorus |
| Golden-fronted Bowerbird | Amblyornis flavifrons |
| Golden-fronted Leafbird | Chloropsis aurifrons |
| Golden-fronted Woodpecker | Melanerpes aurifrons |
| Golden-green Woodpecker | Piculus chrysochloros |
| Golden-headed Cisticola | Cisticola exilis |
| Golden-headed Manakin | Ceratopipra erythrocephala |
| Golden-headed Quetzal | Pharomachrus auriceps |
| Golden-hooded Tanager | Tangara larvata |
| Golden-olive Woodpecker | Colaptes rubiginosus |
| Golden-rumped Euphonia | Euphonia cyanocephala |
| Golden-shouldered Parrot | Psephotus chrysopterygius |
| Golden-spangled Piculet | Picumnus exilis |
| Golden-tailed Sapphire | Chrysuronia oenone |
| Golden-tailed Woodpecker | Campethera abingoni |
| Golden-winged Cacique | Cacicus chrysopterus |
| Golden-winged Cacique | Cacatua sulphurea |
| Golden-winged Laughingthrush | Trochalopteron ngoclinhensis |
| Golden-winged Parakeet | Brotogeris chrysoptera |
| Goldie's Bird-of-paradise | Paradisaea decora |
| Gold-ringed Tanager | Bangsia aureocincta |
| Goliath Heron | Ardea goliath |
| Gorgeous Bushshrike | Chlorophoneus viridis |
| Gough Finch | Rowettia goughensis |
| Gough Island Moorhen | Gallinula comeri |
| Gouldian Finch | Erythrura gouldiae |
| Gouldian Finch | Chloebia gouldiae |
| Gould's Frogmouth | Batrachostomus stellatus |
| Gould's Sunbird | Aethopyga gouldiae |
| Graceful Prinia | Prinia gracilis |
| Grand Comoro Flycatcher | Humblotia flavirostris |
| Grand Comoro Scops-Owl | Otus pauliani |
| Grandala | Grandala coelicolor |
| Grass Owl | Tyto capensis |
| Grass-green Tanager | Chlorornis riefferii |
| Grasshopper Buzzard | Butastur rufipennis |
| Grasshopper Sparrow | Ammodramus savannarum |
| Grassland Yellow-Finch | Sicalis luteola |
| Gray Kestrel, Grey Kestrel | Falco ardosiaceus |
| Gray Noddy | Procelsterna albivitta |
| Gray Teal | Anas gibberifrons |
| Gray's Lark | Ammomanes grayi |
| Gray's Lark | Ammomanopsis grayi |
| Gray-tailed Mountain-gem | Lampornis cinereicauda |
| Great Antpitta | Grallaria excelsa |
| Great Antshrike | Taraba major |
| Great Argus | Argusianus argus |
| Great Barbet | Megalaima virens |
| Great Bittern | Botaurus stellaris |
| Great Black-backed Gull | Larus marinus |
| Great Black-Hawk | Buteogallus urubitinga |
| Great Black-headed Gull | Larus ichthyaetus |
| Great Black-headed Gull | Ichthyaetus ichthyaetus |
| Great Blue Heron | Ardea herodias |
| Great Blue Turaco | Corythaeola cristata |
| Great Bustard | Otis tarda |
| Great Cormorant | Phalacrocorax carbo |
| Great Crested Flycatcher | Myiarchus crinitus |
| Great Crested Grebe | Podiceps cristatus |
| Great Crested Tern, Crested tern, Swift tern | Thalasseus bergii |
| Great Cuckoo-Dove | Reinwardtoena reinwardtii |
| Great Curassow | Crax rubra |
| Great Eared-Nightjar | Eurostopodus macrotis |
| Great Egret | Ardea alba |
| Great Frigatebird | Fregata minor |
| Great Grebe | Podiceps major |
| Great Green Macaw | Ara ambiguus |
| Great Grey Owl | Strix nebulosa |
| Great grey shrike, Northern grey shrike, Northern shrike | Lanius excubitor |
| Great Hornbill | Buceros bicornis |
| Great Horned Owl | Bubo virginianus |
| Great Jacamar | Jacamerops aureus |
| Great Kiskadee | Pitangus sulphuratus |
| Great Knot | Calidris tenuirostris |
| Great Lizard-Cuckoo | Coccyzus merlini |
| Great Northern Loon, Common Loon | Gavia immer |
| Great Philippine Eagle | Pithecophaga jefferyi |
| Great Potoo | Nyctibius grandis |
| Great Reed-Warbler | Acrocephalus arundinaceus |
| Great Shearwater | Puffinus gravis |
| Great Skua | Stercorarius skua |
| Great Snipe | Gallinago media |
| Great Spotted Cuckoo | Clamator glandarius |
| Great Spotted Kiwi | Apteryx haastii |
| Great Spotted Woodpecker | Dendrocopos major |
| Great Tinamou | Tinamus major |
| Great Tit | Parus major |
| Great White Pelican | Pelecanus onocrotalus |
| Great-billed Heron | Ardea sumatrana |
| Great-billed Parrot | Tanygnathus megalorynchos |
| Greater Adjutant | Leptoptilos dubius |
| Greater Antillean Bullfinch | Loxigilla violacea |
| Greater Antillean Grackle | Quiscalus niger |
| Greater Antillean Oriole | Icterus dominicensis |
| Greater Bird-of-paradise | Paradisaea apoda |
| Greater Blue-eared Glossy-Starling | Lamprotornis chalybaeus |
| Greater Coucal | Centropus sinensis |
| Greater Double-collared Sunbird | Cinnyris afer |
| Greater Flameback | Chrysocolaptes lucidus |
| Greater Flamingo | Phoenicopterus roseus |
| Greater Honeyguide | Indicator indicator |
| Greater Hoopoe-Lark | Alaemon alaudipes |
| Greater Kestrel | Falco rupicoloides |
| Greater Necklaced Laughingthrush | Garrulax pectoralis |
| Greater Painted Snipe | Rostratula benghalensis |
| Greater Prairie-Chicken | Tympanuchus cupido |
| Greater Racket-tailed Drongo | Dicrurus paradiseus |
| Greater Rhea | Rhea americana |
| Greater Roadrunner | Geococcyx californianus |
| Greater Sage-Grouse | Centrocercus urophasianus |
| Greater Sandplover | Charadrius leschenaultii |
| Greater Scaup | Aythya marila |
| Greater Short-toed Lark | Calandrella brachydactyla |
| Greater Sooty-Owl | Tyto tenebricosa |
| Greater Spotted Eagle | Clanga clanga |
| Greater Spotted Eagle | Aquila clanga |
| Greater Striped-Swallow | Hirundo cucullata |
| Greater White-fronted Goose | Anser albifrons |
| Greater Whitethroat | Sylvia communis |
| Greater Yellowlegs | Tringa melanoleuca |
| Greater Yellownape | Picus flavinucha |
| Great-tailed Grackle | Quiscalus mexicanus |
| Great-winged Petrel | Pterodroma macroptera |
| Green Aracari | Pteroglossus viridis |
| Green Barbet | Stactolaema olivacea |
| Green Bee-eater | Merops orientalis |
| Green Cochoa | Cochoa viridis |
| Green Hermit | Phaethornis guy |
| Green Heron | Butorides virescens |
| Green Honeycreeper | Chlorophanes spiza |
| Green Imperial Pigeon | Ducula aenea |
| Green Jay | Cyanocorax yncas |
| Green Junglefowl | Gallus varius |
| Green Kingfisher | Chloroceryle americana |
| Green Magpie | Cissa chinensis |
| Green Mango | Anthracothorax viridis |
| Green Oropendola | Psarocolius viridis |
| Green Parakeet | Aratinga holochlora |
| Green Peafowl | Pavo muticus |
| Green Pheasant | Phasianus versicolor |
| Green Rosella | Platycercus caledonicus |
| Green Sandpiper | Tringa ochropus |
| Green Sunbird | Anthreptes rectirostris |
| Green Violet-ear | Colibri thalassinus |
| Green Woodhoopoe | Phoeniculus purpureus |
| Green Woodpecker | Picus viridis |
| Green-and-rufous Kingfisher | Chloroceryle inda |
| Green-backed Twinspot | Mandingoa nitidula |
| Green-backed White-eye | Zosterops xanthochroa |
| Green-backed Woodpecker | Campethera cailliautii |
| Green-barred Woodpecker | Colaptes melanochloros |
| Green-bellied Hummingbird | Amazilia viridigaster |
| Green-billed Coucal | Centropus chlororhynchos |
| Green-billed Malkoha | Rhopodytes tristis |
| Green-breasted Mango | Anthracothorax prevostii |
| Green-crowned Brilliant | Heliodoxa jacula |
| Green-faced Parrotfinch | Erythrura viridifacies |
| Green-headed Sunbird | Nectarinia verticalis |
| Green-headed Sunbird | Cyanomitra verticalis |
| Green-headed Tanager | Tangara seledon |
| Green-rumped Parrotlet | Forpus passerinus |
| Green-tailed Jacamar | Galbula galbula |
| Green-tailed Sunbird | Aethopyga nipalensis |
| Green-tailed Warbler | Microligea palustris |
| Green-throated Carib | Eulampis holosericeus |
| Green-throated Mango | Anthracothorax viridigula |
| Green-throated Sunbird | Chalcomitra rubescens |
| Green-winged Teal | Anas carolinensis |
| Grenada Dove | Leptotila wellsi |
| Grenada Flycatcher | Myiarchus nugator |
| Grey Butcherbird | Cracticus torquatus |
| Grey Catbird | Dumetella carolinensis |
| Grey Crowned-Crane | Balearica regulorum |
| Grey Cuckooshrike | Coracina caesia |
| Grey Fantail | Rhipidura albiscapa |
| Grey Fantail | Rhipidura fuliginosa |
| Grey Francolin | Francolinus pondicerianus |
| Grey Go-away-bird | Corythaixoides concolor |
| Grey goshawk | Accipiter novaehollandiae |
| Grey Hawk | Buteo plagiatus |
| Grey Heron | Ardea cinerea |
| Grey Imperial-Pigeon | Ducula pickeringii |
| Grey Jay | Perisoreus canadensis |
| Grey Kingbird | Tyrannus dominicensis |
| Grey Monjita | Xolmis cinereus |
| Grey Nightjar | Caprimulgus indicus |
| Grey Parrot | Psittacus erithacus |
| Grey Partridge | Perdix perdix |
| Grey Peacock-Pheasant | Polyplectron bicalcaratum |
| Grey Petrel | Procellaria cinerea |
| Grey Plantain-eater | Crinifer piscator |
| Grey Shrike-thrush | Colluricincla harmonica |
| Grey Silky-flycatcher | Ptilogonys cinereus |
| Grey Teal | Anas gracilis |
| Grey Treepie | Dendrocitta formosae |
| Grey Trembler | Cinclocerthia gutturalis |
| Grey Wagtail | Motacilla cinerea |
| Grey Woodpecker | Dendropicos goertae |
| Grey-backed Camaropte | Camaroptera brevicaudata |
| Grey-backed Storm Petrel | Garrodia nereis |
| Grey-backed Tern | Onychoprion lunatus |
| Grey-backed Thrush | Turdus hortulorum |
| Grey-bellied Comet | Taphrolesbia griseiventris |
| Grey-breasted Martin | Progne chalybea |
| Grey-breasted Sabrewing | Campylopterus largipennis |
| Grey-brown White-eye | Zosterops cinereus |
| Grey-cheeked Parakeet | Brotogeris pyrrhoptera |
| Grey-cheeked Thrush | Catharus minimus |
| Grey-chinned Minivet | Pericrocotus solaris |
| Grey-crowned Palm-Tanager | Phaenicophilus poliocephalus |
| Grey-crowned Rosy-Finch | Leucosticte tephrocotis |
| Grey-faced Buzzard | Butastur indicus |
| Grey-fronted Dove | Leptotila rufaxilla |
| Grey-fronted Quail-Dove | Geotrygon caniceps |
| Grey-green Fruit Dove | Ptilinopus purpuratus |
| Grey-headed Albatross | Thalassarche chrysostoma |
| Grey-headed Bushshrike | Malaconotus blanchoti |
| Grey-headed Fish-Eagle | Ichthyophaga ichthyaetus |
| Grey-headed Goshawk | Accipiter poliocephalus |
| Grey-headed Gull | Larus cirrocephalus |
| Grey-headed Gull | Chroicocephalus cirrocephalus |
| Grey-headed Kingfisher | Halcyon leucocephala |
| Grey-headed Lapwing | Vanellus cinereus |
| Grey-headed Lovebird | Agapornis canus |
| Grey-headed or White-collared Kite | Leptodon cayanensis |
| Grey-headed Parakeet | Psittacula finschii |
| Grey-headed Tanager | Eucometis penicillata |
| Grey-headed Woodpecker | Picus canus |
| Grey-hooded Sunbird | Aethopyga primigenia |
| Greyish eagle-owl, Vermiculated eagle-owl | Bubo cinerascens |
| Greylag Goose | Anser anser |
| Grey-lined Hawk | Buteo nitidus |
| Grey-necked Rockfowl | Picathartes oreas |
| Grey-necked Wood-Rail | Aramides cajanea |
| Grey-sided Flowerpecker | Dicaeum celebicum |
| Grey-tailed Tattler | Tringa brevipes |
| Grey-winged Longbill | Toxorhamphus poliopterus |
| Grey-winged Trumpeter | Psophia crepitans |
| Griffon Vulture, Eurasian Griffon | Gyps fulvus |
| Grimwood's Longclaw | Macronyx grimwoodi |
| Groove-billed Ani | Crotophaga sulcirostris |
| Grosbeak Weaver | Amblyospiza albifrons |
| Ground Woodpecker | Geocolaptes olivaceus |
| Groundscraper Thrush | Psophocichla litsipsirupa |
| Groundscraper Thrush | Psophocichla litsitsirupa |
| Grüntangare | Tangara gyrola |
| Guadalcanal Thick | Megalurulus whitneyi |
| Guaiabero | Bolbopsittacus lunulatus |
| Guam Rail | Gallirallus owstoni |
| Guanay Cormorant | Phalacrocorax bougainvillii |
| Guianan Cock-of-the-rock | Rupicola rupicola |
| Guianan Red-Cotinga | Phoenicircus carnifex |
| Guianan Toucanet | Selenidera piperivora |
| Guianan Toucanet | Selenidera culik |
| Guinea Turaco | Tauraco persa |
| Guira Cuckoo | Guira guira |
| Gull-billed Tern | Gelochelidon nilotica |
| Gundlach's Hawk | Accipiter gundlachi |
| Gurney's Pitta | Pitta gurneyi |
| Gyrfalcon | Falco rusticolus |
| Hadada Ibis | Bostrychia hagedash |
| Hairy Woodpecker | Picoides villosus |
| Half-collared Kingfisher | Alcedo semitorquata |
| Hall's Giant Petrel | Macronectes halli |
| Hamerkop | Scopus umbretta |
| Hardhead | Aythya australis |
| Hardy's Pygmy-Owl | Glaucidium hardyi |
| Harlequin Duck | Histrionicus histrionicus |
| Harlequin Quail | Coturnix delegorguei |
| Harpy Eagle | Harpia harpyja |
| Harris's Hawk | Parabuteo unicinctus |
| Hartlaub's Bustard | Lissotis hartlaubii |
| Hartlaub's Duck | Pteronetta hartlaubii |
| Hartlaub's Francolin | Francolinus hartlaubi |
| Hartlaub's Turaco | Tauraco hartlaubi |
| Hawaii Akepa | Loxops coccineus |
| Hawaii Amakihi | Chlorodrepanis virens |
| Hawaii Oo | Moho nobilis |
| Hawaiian Elepaio | Chasiempis sandwichensis |
| Hawfinch | Coccothraustes coccothraustes |
| Hazel Grouse | Tetrastes bonasia |
| Heermann's Gull | Larus heermanni |
| Heinroth's shearwater | Puffinus heinrothi |
| Helmet Vanga | Euryceros prevostii |
| Helmeted Friarbird | Philemon buceroides |
| Helmeted Guineafowl | Numida meleagris |
| Helmeted Hornbill | Rhinoplax vigil |
| Helmeted Woodpecker | Dryocopus galeatus |
| Henderson Island Crake | Porzana atra |
| Henderson Island Fruit-Dove | Ptilinopus insularis |
| Henderson Island Reed-Warbler | Acrocephalus taiti |
| Henderson Petrel | Pterodroma atrata |
| Henslow's Sparrow | Ammodramus henslowii |
| Hepatic Tanager | Piranga flava |
| Herald Petrel | Pterodroma arminjoniana |
| Herero Chat | Namibornis herero |
| Hermit Thrush | Catharus guttatus |
| Heuglin's Gull | Larus heuglini |
| Heuglin's Masked-Weaver | Ploceus heuglini |
| Highland Guan | Penelopina nigra |
| Hildebrandt's Starling | Lamprotornis hildebrandti |
| Himalayan Griffon | Gyps himalayensis |
| Himalayan Monal | Lophophorus impejanus |
| Himalayan Owl | Strix aluco |
| Himalayan Snowcock | Tetraogallus himalayensis |
| Hispaniolan Amazon | Amazona ventralis |
| Hispaniolan Crossbill | Hispaniolakreuzschnabel |
| Hispaniolan Emerald | Chlorostilbon swainsonii |
| Hispaniolan Lizard Cuckoo | Coccyzus longirostris |
| Hispaniolan Nightjar | Antrostomus cubanensis |
| Hispaniolan Palm-Crow | Corvus palmarum |
| Hispaniolan Parakeet | Aratinga chloroptera |
| Hispaniolan Parakeet | Psittacara chloropterus |
| Hispaniolan Pewee | Contopus hispaniolensis |
| Hispaniolan Spindalis | Spindalis dominicensis |
| Hispaniolan Trogon | Priotelus roseigaster |
| Hispaniolan Woodpecker | Melanerpes striatus |
| Hoatzin | Opisthocomus hoazin |
| Holub's Golden-Weaver | Ploceus xanthops |
| Honduran Emerald | Amazilia luciae |
| Hooded Crane | Grus monacha |
| Hooded Crow | Corvus corone |
| Hooded Grebe | Podiceps gallardoi |
| Hooded Merganser | Lophodytes cucullatus |
| Hooded Oriole | Icterus cucullatus |
| Hooded Plover | Thinornis cucullatus |
| Hooded Siskin | Carduelis magellanica |
| Hooded Treepie | Crypsirina cucullata |
| Hooded Vulture | Necrosyrtes monachus |
| Hooded Warbler | Setophaga citrina |
| Hooded Warbler | Wilsonia citrina |
| Hook-billed Kite | Chondrohierax uncinatus |
| Hook-billed Vanga | Vanga curvirostris |
| Horned Curassow | Pauxi unicornis |
| Horned Grebe | Podiceps auritus |
| Horned Guan | Oreophasis derbianus |
| Horned Lark | Eremophila alpestris |
| Horned Parakeet | Eunymphicus cornutus |
| Horned Puffin | Fratercula corniculata |
| Horned Screamer | Anhima cornuta |
| Horned Sungem | Heliactin bilophus |
| Horsfield's Cuckoo | Cuculus optatus |
| Hottentot Teal | Anas hottentota |
| Houbara Bustard | Chlamydotis undulata |
| House Crow | Corvus splendens |
| House Finch | Carpodacus mexicanus |
| House Finch | Haemorhous mexicanus |
| House Martin | Delichon urbicum |
| House Sparrow | Passer domesticus |
| House Wren | Troglodytes aedon |
| Hudsonian Godwit | Limosa haemastica |
| Huia | Heteralocha acutirostris |
| Humboldt Penguin | Spheniscus humboldti |
| Hume's Owl | Strix butleri |
| Hume's Pheasant | Syrmaticus humiae |
| Hyacinth Macaw | Anodorhynchus hyacinthinus |
| Hypocolius | Hypocolius ampelinus |
| Iberian Magpie | Cyanopica cooki |
| Ibisbill | Ibidorhyncha struthersii |
| Iceland Gull | Larus glaucoides |
| Icterine Warbler | Hippolais icterina |
| Ifrit | Ifrita kowaldi |
| Iiwi | Vestiaria coccinea |
| Imitator Sparrowhawk | Accipiter imitator |
| Imperial Amazon | Amazona imperialis |
| Imperial Eagle | Aquila heliaca |
| Imperial Pheasant | Lophura imperialis |
| Imperial Shag | Phalacrocorax atriceps |
| Imperial Woodpecker | Campephilus imperialis |
| Inaccessible Island Rail | Atlantisia rogersi |
| Inca Dove | Columbina inca |
| Inca Tern | Larosterna inca |
| Indian Bustard | Ardeotis nigriceps |
| Indian eagle-owl, Rock eagle-owl, Bengal eagle-owl | Bubo bengalensis |
| Indian Peafowl | Pavo cristatus |
| Indian Pitta | Pitta brachyura |
| Indian Pond-Heron | Ardeola grayii |
| Indian Roller | Coracias benghalensis |
| Indian Skimmer | Rynchops albicollis |
| Indian Spotted Eagle | Aquila hastata |
| Indian Vulture, Long-billed Vulture | Gyps indicus |
| Indigo Bunting | Passerina cyanea |
| Indigo Flycatcher | Eumyias indigo |
| Indigo-winged Parrot | Hapalopsittaca fuertesi |
| Intermediate Egret | Egretta intermedia |
| Invisible Rail | Habroptila wallacii |
| Iquitos Gnatcatcher | Polioptila clementsi |
| Island Canary | Serinus canaria |
| Island Collared-Dove | Streptopelia bitorquata |
| Island Cuckoo | Coccyzus ferrugineus |
| Island Monarch | Monarcha cinerascens |
| Island Thrush | Turdus poliocephalus |
| Italian sparrow | Passer italiae |
| Ivory Gull | Pagophila eburnea |
| Ivory-billed Aracari | Pteroglossus azara |
| Ivory-billed Woodpecker | Campephilus principalis |
| Jabiru | Jabiru mycteria |
| Jackal Buzzard | Buteo rufofuscus |
| Jackass Penguin | Spheniscus demersus |
| Jackson's Widowbird | Euplectes jacksoni |
| Jamaican Mango | Anthracothorax mango |
| Jamaican Owl | Pseudoscops grammicus |
| Jamaican Tody | Todus todus |
| Jambandu Indigobird | Vidua raricola |
| Jambu Fruit-Dove | Ptilinopus jambu |
| Jandaya Parakeet | Aratinga jandaya |
| Japanese Bush-Warbler | Cettia diphone |
| Japanese Buzzard | Buteo buteo |
| Japanese Cormorant | Phalacrocorax capillatus |
| Japanese Grosbeak | Eophona personata |
| Japanese Paradise-Flycatcher | Terpsiphone atrocaudata |
| Japanese Quail | Coturnix japonica |
| Japanese Sparrowhawk | Accipiter gularis |
| Japanese Tit | Parus minor |
| Japanese Wagtail | Motacilla grandis |
| Japanese Waxwing | Bombycilla japonica |
| Japanese Woodpecker | Picus awokera |
| Japanese Wood-Pigeon | Columba janthina |
| Java Sparrow | Lonchura oryzivora |
| Java Sparrow | Padda oryzivora |
| Javan Hawk-Eagle | Spizaetus bartelsi |
| Javan Kingfisher | Halcyon cyanoventris |
| Javan Plover | Charadrius javanicus |
| Javanese Lapwing | Vanellus macropterus |
| Jerdon's Baza | Aviceda jerdoni |
| Jerdon's Courser | Rhinoptilus bitorquatus |
| Jocotoco Antpitta | Grallaria ridgelyi |
| Johanna's Sunbird | Cinnyris johannae |
| Josephine's Lorikeet | Charmosyna josefinae |
| Juan Fernandez Firecrown | Sephanoides fernandensis |
| Juan Fernandez Petrel | Pterodroma externa |
| Jungle Owlet | Glaucidium radiatum |
| Kadavu Fantail | Rhipidura personata |
| Kadavu Honeyeater | Xanthotis provocator |
| Kagu | Rhynochetos jubatus |
| Kakapo | Strigops habroptila |
| Kalij Pheasant | Lophura leucomelanos |
| Karoo Scrub-Robin | Cercotrichas coryphaeus |
| Kauai Oo | Moho braccatus |
| Kea | Nestor notabilis |
| Keel-billed Toucan | Ramphastos sulfuratus |
| Kelp Goose | Chloephaga hybrida |
| Kelp Gull | Larus dominicanus |
| Kerguelen Petrel | Aphrodroma brevirostris |
| Kerguelen Shag | Phalacrocorax verrucosus |
| Kermadec Petrel | Pterodroma neglecta |
| Key West Quail-Dove | Geotrygon chrysia |
| Killdeer | Charadrius vociferus |
| Kilombero Weaver | Ploceus burnieri |
| King Bird-of-paradise | Amblyornis inornata |
| King Bird-of-paradise | Cicinnurus regius |
| King Eider | Somateria spectabilis |
| King Gull | Chroicocephalus hartlaubii |
| King Penguin | Aptenodytes patagonicus |
| King quail, Blue-breasted quail, Asian blue quail, Button quail, Chinese painted quail, Chung-Chi | Excalfactoria chinensis |
| King Rail | Rallus elegans |
| King Shag | Phalacrocorax albiventer |
| King Vulture | Sarcoramphus papa |
| King-of-Saxony Bird-of-paradise | Pteridophora alberti |
| Kirtland's Warbler | Dendroica kirtlandii |
| Kittlitz's Plover | Charadrius pecuarius |
| Klaas's Cuckoo | Chrysococcyx klaas |
| Knobbed Hornbill | Aceros cassidix |
| Knob-billed Duck | Sarkidiornis melanotos |
| Knysna Turaco | Tauraco corythaix |
| Koepcke's screech owl | Megascops koepckeae |
| Kokako | Callaeas cinereus |
| Koklass Pheasant | Pucrasia macrolopha |
| Kookaburra | Dacelo sp. |
| Kori Bustard | Ardeotis kori |
| Krueper's Nuthatch | Sitta krueperi |
| Kuhl's Lorikeet | Vini kuhlii |
| Kurrichane Thrush | Turdus libonyanus |
| Kurzzehenlerche | Carpodacus synoicus |
| La Sagra's Flycatcher | Myiarchus sagrae |
| La Selle Thrush | Turdus swalesi |
| La Selle Thrush | Turdus swalesi |
| Labrador Duck | Camptorhynchus labradorius |
| lack-backed Tanager | Tangara peruviana |
| lackburnian Warbler | Setophaga fusca |
| Ladder-tailed Nightjar | Hydropsalis climacocerca |
| Lady Amherst's Pheasant | Chrysolophus amherstiae |
| Lammergeier,Bearded Vulture, Ossifrage | Gypaetus barbatus |
| Lance-tailed Manakin | Chiroxiphia lanceolata |
| Lanner Falcon | Falco biarmicus |
| Lapland Longspur | Calcarius lapponicus |
| Lappet-faced Vulture | Torgos tracheliotus |
| Lappet-faced Vulture | Torgos tracheliotus |
| Large Cactus-Finch | Geospiza conirostris |
| Large Ground-Finch | Geospiza magnirostris |
| Large Scimitar | Pomatorhinus hypoleucos |
| Large Scrubwren | Sericornis nouhuysi |
| Lark Bunting | Calamospiza melanocorys |
| Lark Buttonquail | Ortyxelos meiffrenii |
| Lark Sparrow | Chondestes grammacus |
| Latham's Snipe | Gallinago hardwickii |
| Laughing Dove | Stigmatopelia senegalensis |
| Laughing Dove | Spilopelia senegalensis |
| Laughing Dove | Streptopelia senegalensis |
| Laughing Falcon | Herpetotheres cachinnans |
| Laughing Gull | Leucophaeus atricilla |
| Laughing Kookaburra | Dacelo novaeguineae |
| Laughing Owl | Sceloglaux albifacies |
| Laurel Pigeon | Columba junoniae |
| Lava Gull | Leucophaeus fuliginosus |
| Lavender Waxbill | Estrilda caerulescens |
| Lawes's Parotia | Parotia lawesii |
| Layard's Parakeet | Psittacula calthropae |
| Laysan Albatross | Phoebastria immutabilis |
| Laysan Duck | Anas laysanensis |
| Lazuli Bunting | Passerina amoena |
| Lazuline Sabrewing | Campylopterus falcatus |
| Leach's Storm-Petrel | Oceanodroma leucorhoa |
| Lear's Macaw | Anodorhynchus leari |
| Least Auklet | Aethia pusilla |
| Least Bittern | Ixobrychus exilis |
| Least grebe | Tachybaptus dominicus |
| Least Poorwill | Siphonorhis brewsteri |
| Least Sandpiper | Calidris minutilla |
| Least Tern | Sternula antillarum |
| Lemon Dove | Columba larvata |
| Lemon-breasted Seedeater | Serinus citrinipectus |
| Lemon-throated Barbet | Eubucco richardsoni |
| Lesser Adjutant | Leptoptilos javanicus |
| Lesser Antillean Bullfinch | Loxigilla noctis |
| Lesser Antillean Flycatcher | Myiarchus oberi |
| Lesser Antillean Pewee | Contopus latirostris |
| Lesser Antillean Tanager | Tangara cucullata |
| Lesser Antillean Thrush | Turdus personus |
| Lesser Bird-of-paradise | Paradisaea minor |
| Lesser Black-backed Gull | Larus fuscus |
| Lesser Coucal | Centropus bengalensis |
| Lesser Crested Tern | Sterna bengalensis |
| Lesser Crested-Tern | Thalasseus bengalensis |
| Lesser Cuckoo | Cuculus poliocephalus |
| Lesser Eagle-Owl | Mimizuku gurneyi |
| Lesser Eagle-Owl | Otus gurneyi |
| Lesser Fish Eagle | Ichthyophaga humilis |
| Lesser Flamingo | Phoeniconaias minor |
| Lesser Flamingo | Phoenicopterus minor |
| Lesser Florican | Sypheotides indicus |
| Lesser Frigatebird | Fregata ariel |
| Lesser Green Leafbird | Chloropsis cyanopogon |
| Lesser Grey Shrike | Lanius minor |
| Lesser Honeyguide | Indicator minor |
| Lesser jacana | Microparra capensis |
| Lesser Kestrel | Falco naumanni |
| Lesser Kiskadee | Pitangus lictor |
| Lesser Masked-Weaver | Ploceus intermedius |
| Lesser Nighthawk | Chordeiles acutipennis |
| Lesser Noddy | Anous tenuirostris |
| Lesser Rhea, Darwin's Rhea | Pterocnemia pennata |
| Lesser Roadrunner | Geococcyx velox |
| Lesser Scaup | Aythya affinis |
| Lesser Seedcracker | Pyrenestes minor |
| Lesser Sooty-Owl | Tyto multipunctata |
| Lesser Spotted Eagle | Aquila pomarina |
| Lesser Spotted Eagle | Clanga pomarina |
| Lesser Spotted Woodpecker | Dendrocopos minor |
| Lesser Striped Swallow | Cecropis abyssinica |
| Lesser swamp warbler, Cape reed warble | Acrocephalus gracilirostris |
| Lesser Vasa Parrot | Coracopsis nigra |
| Lesser Whistling-Duck | Dendrocygna javanica |
| Lesser White-fronted Goose | Anser erythropus |
| Lesser Whitethroat | Sylvia curruca |
| Lesser yellow-headed vulture | Cathartes burrovianus |
| Lesser Yellowlegs | Tringa flavipes |
| Lesser Yellownape | Picus chlorolophus |
| Lesson's Motmot | Momotus lessonii |
| Levaillant's Cuckoo | Clamator levaillantii |
| Lichtenstein's Sandgrouse | Pterocles lichtensteinii |
| Lidth's Jay | Garrulus lidthi |
| Light-mantled Albatross | Phoebetria palpebrata |
| Light-vented Bulbul | Pycnonotus sinensis |
| Lilac kingfisher | Cittura cyanotis |
| Lilac-breasted Roller | Coracias caudatus |
| Lilac-crowned amazon | Amazona finschi |
| Lilac-tailed Parrotlet | Touit batavicus |
| Lilian's Lovebird | Agapornis lilianae |
| Limpkin | Aramus guarauna |
| Lina's Sunbird | Aethopyga linaraborae |
| Lincoln's Sparrow | Melospiza lincolnii |
| Lineated Woodpecker | Dryocopus lineatus |
| Lined Quail-Dove | Geotrygon linearis |
| Lined Seedeater | Sporophila lineola |
| Little Bee-eater | Merops pusillus |
| Little Bittern | Ixobrychus minutus |
| Little Black Cormorant | Phalacrocorax sulcirostris |
| Little Blue Heron | Egretta caerulea |
| Little Bunting | Emberiza pusilla |
| Little Bustard | Tetrax tetrax |
| Little corella | Cacatua sanguinea |
| Little cormorant, Javanese cormorant | Microcarbo niger |
| Little Cuckoo | Piaya minuta |
| Little Egret | Egretta garzetta |
| Little Forktail | Enicurus scouleri |
| Little Grebe | Tachybaptus ruficollis |
| Little Gull | Hydrocoloeus minutus |
| Little Hermit | Phaethornis longuemareus |
| Little Kingfisher | Alcedo pusilla |
| Little Owl | Athene noctua |
| Little Penguin | Eudyptula minor |
| Little Pied Cormorant | Phalacrocorax melanoleucos |
| Little Pied Cormorant | Microcarbo melanoleucos |
| Little Ringed Plover | Charadrius dubius |
| Little Spiderhunter | Arachnothera longirostra |
| Little Spotted Kiwi | Apteryx owenii |
| Little Stint | Calidris minuta |
| Little Swift | Apus affinis |
| Little Tern | Sternula albifrons |
| Little Tinamou | Crypturellus soui |
| Little Weaver | Ploceus luteolus |
| Little Wood-Rail | Aramides mangle |
| Livingstone's Flycatcher | Erythrocercus livingstonei |
| Livingstone's Turaco | Tauraco livingstonii |
| Lizard Buzzard | Kaupifalco monogrammicus |
| Locust Finch | Ortygospiza locustella |
| Loggerhead Kingbird | Tyrannus caudifasciatus |
| Loggerhead Shrike | Lanius ludovicianus |
| Logrunner | Orthonyx temminckii |
| Long-billed Curlew | Numenius americanus |
| Long-billed Dowitcher | Limnodromus scolopaceus |
| Long-billed Hermit | Phaethornis longirostris |
| Long-billed Starthroat | Heliomaster longirostris |
| Long-billed White-eye | Rukia longirostra |
| Long-crested Eagle | Lophaetus occipitalis |
| Long-legged Buzzard | Buteo rufinus |
| Long-legged Thicketbird | Megalurulus rufus |
| Long-tailed Broadbill | Psarisomus dalhousiae |
| Long-tailed Cormorant | Phalacrocorax africanus |
| Long-tailed Cormorant | Microcarbo africanus |
| Long-tailed Duck | Clangula hyemalis |
| Long-tailed Fiscal | Lanius cabanisi |
| Long-tailed Glossy-Starling | Lamprotornis caudatus |
| Long-tailed Ground-Roller | Uratelornis chimaera |
| Long-tailed Hawk | Urotriorchis macrourus |
| Long-tailed Hermit | Phaethornis superciliosus |
| Long-tailed Honey-buzzard | Henicopernis longicauda |
| Long-tailed Jaeger | Stercorarius longicaudus |
| Long-tailed Koel | Urodynamis taitensis |
| Long-tailed Manakin | Chiroxiphia linearis |
| Long-tailed Meadowlark | Sturnella loyca |
| Long-tailed Minivet | Pericrocotus ethologus |
| Long-tailed Mockingbird | Mimus longicaudatus |
| Long-tailed Myna | Mino kreffti |
| Long-tailed Parakeet | Psittacula longicauda |
| Long-tailed Reed-Finch | Donacospiza albifrons |
| Long-tailed Rosefinch | Uragus sibiricus |
| Long-tailed Shrike | Lanius schach |
| Long-tailed Silky-flycatcher | Ptilogonys caudatus |
| Long-tailed Sylph | Aglaiocercus kingii |
| Long-tailed Sylph | Aglaiocercus kingi |
| Long-tailed Tit | Aegithalos caudatus |
| Long-tailed Triller | Lalage leucopyga |
| Long-tailed Widowbird | Euplectes progne |
| Long-tailed Wood-Partridge | Dendrortyx macroura |
| Long-toed Lapwing | Vanellus crassirostris |
| Long-toed Stint | Calidris subminuta |
| Long-wattled Umbrellabird | Cephalopterus penduliger |
| Long-whiskered Owlet | Xenoglaux loweryi |
| Long-winged Harrier | Circus buffoni |
| Loria's Bird-of-paradise | Cnemophilus loriae |
| Louisiana Waterthrush | Seiurus motacilla |
| Lovely Cotinga | Cotinga amabilis |
| Lovely Fairywren | Malurus amabilis |
| Lovely Sunbird | Aethopyga shelleyi |
| Ludwig's Bustard | Neotis ludwigii |
| Luzon Bleeding-heart | Gallicolumba luzonica |
| Lyre-tailed Honeyguide | Melichneutes robustus |
| Macaroni Penguin | Eudyptes chrysolophus |
| Maccoa Duck | Oxyura maccoa |
| MacConnell's Spinetail | Synallaxis macconnelli |
| Mackinlay's Cuckoo-Dove | Macropygia mackinlayi |
| Macquarie Shag | Phalacrocorax purpurascens |
| Macqueen's Bustard | Chlamydotis macqueenii |
| Madagascar Bee-eater | Merops superciliosus |
| Madagascar Blue-Pigeon | Alectroenas madagascariensis |
| Madagascar Coucal | Centropus toulou |
| Madagascar Fish-Eagle | Haliaeetus vociferoides |
| Madagascar Green-Pigeon | Treron australis |
| Madagascar Hoopoe | Upupa marginata |
| Madagascar Kingfisher | Corythornis vintsioides |
| Madagascar Marsh-Harrier | Circus maillardi |
| Madagascar Owl | Asio madagascariensis |
| Madagascar Paradise-Flycatcher | Terpsiphone mutata |
| Madagascar Pochard | Aythya innotata |
| Madagascar Pygmy-Kingfisher | Ceyx madagascariensis |
| Madagascar Red Owl | Tyto soumagnei |
| Madagascar Serpent-Eagle | Eutriorchis astur |
| Madagascar Turtle-Dove | Streptopelia picturata |
| Madagascar White-eye | Zosterops maderaspatanus |
| Madeira Petrel | Pterodroma madeira |
| Magellanic Oystercatcher | Haematopus leucopodus |
| Magellanic Penguin | Spheniscus magellanicus |
| Magellanic Woodpecker | Campephilus magellanicus |
| Magenta-throated Woodstar | Calliphlox bryantae |
| Magnificent Bird-of-paradise | Cicinnurus magnificus |
| Magnificent Frigatebird | Fregata magnificens |
| Magnificent Hummingbird | Eugenes fulgens |
| Magnificent Riflebird | Ptiloris magnificus |
| Magnolia Warbler | Dendroica magnolia |
| Magpie Goose | Anseranas semipalmata |
| Magpie Shrike | Urolestes melanoleucus |
| Magpie Shrike | Corvinella melanoleuca |
| Maguari Stork | Ciconia maguari |
| Major Mitchell's cockatoo | Lophochroa leadbeateri |
| Malabar Parakeet | Psittacula columboides |
| Malabar Pied Hornbill | Anthracoceros coronatus |
| Malabar Trogon | Harpactes fasciatus |
| Malachite Kingfisher | Alcedo cristata |
| Malachite Kingfisher | Corythornis cristatus |
| Malachite Sunbird | Nectarinia famosa |
| Malagasy kestrel | Falco newtoni |
| Malagasy Kingfisher | Alcedo vintsioides |
| Malagasy Sacred Ibis | Threskiornis bernieri |
| Malagasy Scops-Owl | Otus rutilus |
| Malayan Night-Heron | Gorsachius melanolophus |
| Malayan Peacock-Pheasant | Polyplectron malacense |
| Malayan Whistling-Thrush | Myophonus robinsoni |
| Maleo | Macrocephalon maleo |
| Malherbe's Parakeet | Cyanoramphus malherbi |
| Mallard Duck | Anas platyrhynchos |
| Mallee Ringneck | Barnardius zonarius |
| Malleefowl | Leipoa ocellata |
| Mandarin Duck | Aix galericulata |
| Maned Duck | Chenonetta jubata |
| Maned Owl | Jubula lettii |
| Mangrove Cuckoo | Coccyzus minor |
| Mangrove Flycatcher | Myiagra erythrops |
| Mangrove Pitta | Pitta megarhyncha |
| Manipur Bush-Quail | Perdicula manipurensis |
| Manx Shearwater | Puffinus puffinus |
| Many-colored Bushshrike | Chlorophoneus multicolor |
| Many-colored Fruit Dove | Ptilinopus perousii |
| Many-colored Rush-Tyrant | Tachuris rubrigastra |
| Mao | Gymnomyza samoensis |
| Marabou Stork | Leptoptilos crumeniferus |
| Marail Guan | Penelope marail |
| Marbled Murrelet | Brachyramphus marmoratus |
| Marbled Teal | Marmaronetta angustirostris |
| Marbled Wood Quail | Odontophorus gujanensis |
| Margaret's Batis | Batis margaritae |
| Mariana Fruit-Dove | Ptilinopus roseicapilla |
| Marico Sunbird, Mariqua Sunbird | Cinnyris mariquensis |
| Maroon Oriole | Oriolus traillii |
| Maroon-bellied Parakeet | Pyrrhura frontalis |
| Maroon-chested Ground Dove | Claravis mondetoura |
| Maroon-faced Parakeet | Pyrrhura leucotis |
| Maroon-tailed Parakeet | Pyrrhura melanura |
| Marquesan Imperial Pigeon | Ducula galeata |
| Marsh Grassbird | Megalurus pryeri |
| Marsh Owl | Asio capensis |
| Marsh Sandpiper | Tringa stagnatilis |
| Marsh Tit | Poecile palustris |
| Martial Eagle | Polemaetus bellicosus |
| Marvelous Spatuletail | Loddigesia mirabilis |
| Mascarene Martin | Phedina borbonica |
| Mascarene Paradise Flycatcher | Terpsiphone bourbonnensis |
| Mascarene Swiftlet | Aerodramus francicus |
| Masked Booby | Sula dactylatra |
| Masked Bowerbird | Sericulus aureus |
| Masked Crimson Tanager | Ramphocelus nigrogularis |
| Masked Duck | Nomonyx dominicus |
| Masked Finfoot | Heliopais personatus |
| Masked Flowerpiercer | Diglossopis cyanea |
| Masked Lapwing | Vanellus miles |
| Masked Laughingthrush | Garrulax perspicillatus |
| Masked Shining Parrot | Prosopeia personata |
| Masked Shrike | Lanius nubicus |
| Masked Trogon | Trogon personatus |
| Masked Woodswallow | Artamus personatus |
| Mauritius Cuckooshrike | Coracina typica |
| Mauritius Fody | Foudia rubra |
| Mauritius Grey White-eye | Zosterops mauritianus |
| Mauritius Kestrel | Falco punctatus |
| Mauritius Olive White-eye | Zosterops chloronothos |
| Mauritius Parakeet | Psittacula echo |
| Mayotte Drongo | Dicrurus waldenii |
| Mayotte Sunbird | Cinnyris coquerellii |
| Meadow Bunting | Emberiza cioides |
| Meadow Pipit | Anthus pratensis |
| Mealy amazon, Mealy parrot | Amazona farinosa |
| Mediterranean Gull | Ichthyaetus melanocephalus |
| Mediterranean Gull | Larus melanocephalus |
| Medium Ground-Finch | Geospiza fortis |
| Meek's Lorikeet | Charmosyna meeki |
| Melanesian Flycatcher | Myiagra caledonica |
| Melanesian Scrubfowl | Megapodius eremita |
| Melodious Warbler | Hippolais polyglotta |
| Merlin | Falco columbarius |
| Merlin | Falco columbarius |
| Metallic Pigeon | Columba vitiensis |
| Metallic-winged Sunbird | Aethopyga pulcherrima |
| Mew Gull | Larus canus |
| Meyer's Parrot | Poicephalus meyeri |
| Micronesian Imperial-Pigeon | Ducula oceanica |
| Micronesian Kingfisher | Todiramphus cinnamominus |
| Micronesian Myzomela | Myzomela rubratra |
| Micronesian Scrubfowl, La Perouse's Megapode, Micronesian Megapode | Megapodius laperouse |
| Micronesian Starling | Aplonis opaca |
| Micronesian Swiftlet | Aerodramus inquietus |
| Middle Spotted Woodpecker | Dendrocopos medius |
| Mikado Pheasant | Syrmaticus mikado |
| Military Macaw | Ara militaris |
| Milky Stork | Mycteria cinerea |
| Minahassa Masked-Owl | Tyto inexspectata |
| Mindanao Bleeding-heart | Gallicolumba crinigera |
| Mindanao Lorikeet | Trichoglossus johnstoniae |
| Mindoro Imperial-Pigeon | Ducula mindorensis |
| Minute Hermit | Phaethornis idaliae |
| Miombo Blue-eared Starling | Lamprotornis elisabeth |
| Miombo Double-collared Sunbird | Cinnyris manoensis |
| Miombo Pied Barbet | Tricholaema frontata |
| Miombo Tit | Parus griseiventris |
| Mishana Tyrannulet | Zimmerius villarejoi |
| Mississippi Kite | Ictinia mississippiensis |
| Mistle Thrush | Turdus viscivorus |
| Mistletoebird | Dicaeum hirundinaceum |
| Mitred Parakeet | Aratinga mitrata |
| Mohéli Scops-Owl | Otus moheliensis |
| Moluccan Hanging-Parrot | Loriculus amabilis |
| Moluccan King Parrot | Alisterus amboinensis |
| Mongolian Finch | Eremopsaltria mongolica |
| Mongolian Ground-Jay | Podoces hendersoni |
| Monk Parakeet | Myiopsitta monachus |
| Montagu's Harrier | Circus pygargus |
| Montane Nightjar | Caprimulgus poliocephalus |
| Montane Racquet-tail | Prioniturus montanus |
| Monteiro's Hornbill | Tockus monteiri |
| Montezuma Oropendola | Psarocolius montezuma |
| Montserrat Oriole | Icterus oberi |
| Moreau's Sunbird | Cinnyris moreaui |
| Morepork | Ninox novaeseelandiae |
| Moriche Oriole | Icterus cayanensis |
| Morningbird | Colluricincla tenebrosa |
| Mosque Swallow | Cecropis senegalensis |
| Mottled Owl | Strix virgata |
| Mottled Petrel | Pterodroma inexpectata |
| Mottled Whistler | Rhagologus leucostigma |
| Mountain Bluebird | Sialia currucoides |
| Mountain Hawk-Eagle | Spizaetus nipalensis |
| Mountain Imperial Pigeon | Ducula badia |
| Mountain Parakeet | Psilopsiagon aurifrons |
| Mountain Peacock-Pheasant | Polyplectron inopinatum |
| Mountain Plover | Charadrius montanus |
| Mountain Pygmy-Owl | Glaucidium californicum |
| Mountain Scops-Owl | Otus spilocephalus |
| Mountain Starling | Aplonis santovestris |
| Mountain Trogon | Trogon mexicanus |
| Mountain Wheatear | Oenanthe monticola |
| Mourning collared dove | Streptopelia decipiens |
| Mourning Dove | Zenaida macroura |
| Mourning Wheatear | Oenanthe lugens |
| Mouse-colored Antshrike | Thamnophilus murinus |
| Moussier's Redstart | Phoenicurus moussieri |
| Moustached Barbet | Megalaima incognita |
| Moustached Green-Tinkerbird | Pogoniulus leucomystax |
| Moustached Kingfisher | Actenoides bougainvillei |
| Moustached Treeswift | Hemiprocne mystacea |
| Moustached Turca | Pteroptochos megapodius |
| Mt. Kupe Bushshrike | Telophorus kupeensis |
| Mulga Parrot | Psephotus varius |
| Murphy's Petrel | Pterodroma ultima |
| Muscovy Duck | Cairina moschata |
| Musician Wren | Cyphorhinus aradus |
| Mute Swan | Cygnus olor |
| Nacunda Nighthawk | Podager nacunda |
| Namaqua Dove | Oena capensis |
| Namaqua Sandgrouse | Pterocles namaqua |
| Nanday Parakeet | Nandayus nenday |
| Narcissus Flycatcher | Ficedula narcissina |
| Narina Trogon | Apaloderma narina |
| Narrow-billed Tody | Todus angustirostris |
| Narrow-billed Woodcreeper | Lepidocolaptes angustirostris |
| Nauru Reed-Warbler | Acrocephalus rehsei |
| Nazca Booby | Sula granti |
| Nduk Eagle-Owl | Bubo vosseleri |
| Neergaard's Sunbird | Cinnyris neergaardi |
| Nelicourvi Weaver | Ploceus nelicourvi |
| Nene | Branta sandvicensis |
| Neotropic Cormorant | Phalacrocorax brasilianus |
| New Britain Sparrowhawk | Accipiter brachyurus |
| New Caledonian Crow | Corvus moneduloides |
| New Caledonian Cuckooshrike | Coracina analis |
| New Caledonian Friarbird | Philemon diemenensis |
| New Caledonian Grassbird | Megalurulus mariei |
| New Caledonian Imperial-Pigeon | Ducula goliath |
| New Caledonian Lorikeet | Charmosyna diadema |
| New Caledonian Myzomela | Myzomela sanguinolenta |
| New Caledonian Owlet-Nightjar | Aegotheles savesi |
| New Caledonian Parakeet | Cyanoramphus saisseti |
| New Caledonian Rail | Gallirallus lafresnayanus |
| New Caledonian Whistler | Pachycephala caledonica |
| New Guinea Eagle | Harpyopsis novaeguineae |
| New Hebrides Honeyeater | Glycifohia notabilis |
| New Zealand Bellbird | Anthornis melanura |
| New Zealand Falcon | Falco novaeseelandiae |
| New Zealand Fernbird | Megalurus punctatus |
| New Zealand Kaka | Nestor meridionalis |
| New Zealand Pigeon | Hemiphaga novaeseelandiae |
| New Zealand Robin | Petroica australis |
| New Zealand Teal | Anas chlorotis |
| Newell's Shearwater | Puffinus newelli |
| Newton's Fiscal | Lanius newtoni |
| Newton's Parakeet | Psittacula exsul |
| Newton's Sunbird | Anabathmis newtonii |
| Nias Hill-Myna | Gracula robusta |
| Niaufoou Scrubfowl | Megapodius pritchardii |
| Nicobar Pigeon | Caloenas nicobarica |
| Nicobar Scrubfowl | Megapodius nicobariensis |
| Nightingale Finch | Nesospiza questi |
| Nightingale Finch | Nesospiza acunhae |
| Nile Valley Sunbird | Hedydipna metallica |
| Nocturnal Curassow | Nothocrax urumutum |
| Noisy miner | Manorina melanocephala |
| Noisy Scrub-bird | Atrichornis clamosus |
| Nordmann's Greenshank | Tringa guttifer |
| Norfolk Island Gerygone | Gerygone modesta |
| Norfolk Island Parakeet | Cyanoramphus cookii |
| Norfolk robin, Norfolk Island scarlet robin, Norfolk Island robin | Petroica multicolor |
| North Island Brown | Apteryx mantelli |
| North Island takahe | Porphyrio hochstetteri |
| Northern Bobwhite | Colinus virginianus |
| Northern Boobook | Ninox japonica |
| Northern Cardinal | Cardinalis cardinalis |
| Northern Carmine Bee-eater | Merops nubicus |
| Northern Cassowary | Casuarius unappendiculatus |
| Northern Chestnut-tailed Antbird | Myrmeciza castanea |
| Northern Crombec | Sylvietta brachyura |
| Northern Double-collared Sunbird | Cinnyris reichenowi |
| Northern Flicker | Colaptes auratus |
| Northern Flicker | Colaptes auratus |
| Northern Fulmar | Fulmarus glacialis |
| Northern Gannet | Morus bassanus |
| Northern Goshawk | Accipiter gentilis |
| Northern Harrier | Circus cyaneus |
| Northern Hawk Owl | Surnia ulula |
| Northern Helmeted Curassow | Pauxi pauxi |
| Northern Hepatic-Tanager | Piranga hepatica |
| Northern Jacana | Jacana spinosa |
| Northern Lapwing | Vanellus vanellus |
| Northern Long-eared Owl | Asio otus |
| Northern Mockingbird | Mimus polyglottos |
| Northern Parula | Parula americana |
| Northern Pintail | Anas acuta |
| Northern red bishop, Orange bishop | Euplectes franciscanus |
| Northern Red-billed Hornbill | Tockus erythrorhynchus |
| Northern Rockhopper Penguin | Eudyptes moseleyi |
| Northern Rosella | Platycercus venustus |
| Northern Royal Albatross | Diomedea sanfordi |
| Northern Royal-Flycatcher | Onychorhynchus mexicanus |
| Northern Saw-whet Owl | Aegolius acadicus |
| Northern Screamer | Chauna chavaria |
| Northern Shoveler | Anas clypeata |
| Northern Wheatear | Oenanthe oenanthe |
| Northern White-faced Owl | Ptilopsis leucotis |
| Nuthatch Vanga | Hypositta corallirostris |
| Nutmeg Mannikin | Lonchura punctulata |
| Oasis Hummingbird | Rhodopis vesper |
| Ocellated Antbird | Phaenostictus mcleannani |
| Ocellated Turkey | Meleagris ocellata |
| Ochraceous Bulbul | Alophoixus ochraceus |
| Ochre-bellied Flycatcher | Mionectes oleagineus |
| Oilbird | Steatornis caripensis |
| Okarito Brown Kiwi | Apteryx rowi |
| Okinawa Rail | Gallirallus okinawae |
| Okinawa Woodpecker | Sapheopipo noguchii |
| Olivaceous Bulbul | Hypsipetes borbonicus |
| Olivaceous Thornbill | Chalcostigma olivaceum |
| Olivaceous Thrush | Turdus olivaceofuscus |
| Olive Bushshrike | Chlorophoneus olivaceus |
| Olive Sunbird | Cyanomitra olivacea |
| Olive Sunbird | Nectarinia olivacea |
| Olive-backed Sunbird | Cinnyris jugularis |
| Olive-bellied Sunbird | Cinnyris chloropygius |
| Olive-capped Warbler | Dendroica pityophila |
| Olive-flanked Ground Robin | Cossypha anomala |
| Olive-headed Lorikeet | Trichoglossus euteles |
| Olive-throated Parakeet | Eupsittula nana |
| Olive-throated Parakeet | Aratinga nana |
| Olive-yellow Robin | Poecilodryas placens |
| Olrog's Gull | Larus atlanticus |
| Omao | Myadestes obscurus |
| Opal-rumped Tanager | Tangara velia |
| Orange Fruit Dove | Ptilinopus victor |
| Orange River Francolin | Scleroptila gutturalis |
| Orange Weaver | Ploceus aurantius |
| Orange-backed Oriole, Orange-backed Troupial | Icterus croconotus |
| Orange-bellied Flowerpecker | Dicaeum trigonostigma |
| Orange-bellied Leafbird | Chloropsis hardwickii |
| Orange-bellied Parrot | Neophema chrysogaster |
| Orange-billed Babbler | Turdoides rufescens |
| Orange-billed Nightingale-Thrush | Catharus aurantiirostris |
| Orange-breasted Bunting | Passerina leclancherii |
| Orange-breasted Falcon | Falco deiroleucus |
| Orange-breasted Green-Pigeon | Treron bicinctus |
| Orange-breasted Rock-jumper | Chaetops aurantius |
| Orange-breasted Sunbird | Anthobaphes violacea |
| Orange-cheeked Parrot | Pionopsitta barrabandi |
| Orange-cheeked Waxbill | Estrilda melpoda |
| Orange-chinned Parakeet | Brotogeris jugularis |
| Orange-crowned Fairywren | Clytomyias insignis |
| Orange-fronted Fruit-Dove | Ptilinopus aurantiifrons |
| Orange-fronted Parakeet | Aratinga canicularis |
| Orange-necked Partridge | Arborophila davidi |
| Orange-throated Longclaw | Macronyx capensis |
| Orange-tufted Sunbird | Cinnyris bouvieri |
| Orange-winged Parrot | Amazona amazonica |
| Oriental Bay-Owl | Phodilus badius |
| Oriental Greenfinch | Carduelis sinica |
| Oriental Hobby | Falco severus |
| Oriental Honey-buzzard | Pernis ptilorhynchus |
| Oriental Magpie-Robin | Copsychus saularis |
| Oriental Pied-Hornbill | Anthracoceros albirostris |
| Oriental Pratincole | Glareola maldivarum |
| Oriental Scops-Owl | Otus sunia |
| Oriental Stork | Ciconia boyciana |
| Oriental Turtle-Dove | Streptopelia orientalis |
| Oriental White-eye | Zosterops palpebrosus |
| Oriente Warbler | Teretistris fornsi |
| Orinoco Goose | Neochen jubata |
| Oriole Blackbird | Gymnomystax mexicanus |
| Oriole Finch | Linurgus olivaceus |
| Oriole Warbler | Hypergerus atriceps |
| Ornate Hawk-Eagle | Spizaetus ornatus |
| Ornate Lorikeet | Trichoglossus ornatus |
| Ortolan Bunting | Emberiza hortulana |
| Osprey | Pandion haliaetus |
| Ostrich | Struthio camelus |
| Oustalet's Sunbird | Cinnyris oustaleti |
| Ouvea Parakeet, Uvea Parakeet | Eunymphicus cornutus |
| Ovampo Sparrowhawk | Accipiter ovampensis |
| Ovenbird | Seiurus aurocapilla |
| Pacific Baza | Aviceda subcristata |
| Pacific Black Duck | Anas superciliosa |
| Pacific Golden-Plover | Pluvialis dominica |
| Pacific gull | Larus pacificus |
| Pacific Imperial Pigeon | Ducula pacifica |
| Pacific Loon | Gavia pacifica |
| Pacific Parakeet | Aratinga strenua |
| Pacific Reef-Heron | Egretta sacra |
| Pacific Screech-Owl | Megascops cooperi |
| Pacific Swallow | Hirundo tahitica |
| Painted Bunting | Passerina ciris |
| Painted Firetail | Emblema pictum |
| Painted Francolin | Francolinus pictus |
| Painted Parakeet | Pyrrhura picta |
| Painted Redstart | Myioborus pictus |
| Painted Stork | Mycteria leucocephala |
| Painted Tiger-Parrot | Psittacella picta |
| Palau Bush-Warbler | Cettia annae |
| Palau Cicadabird | Coracina monacha |
| Palau Fantail | Rhipidura lepida |
| Palau Fruit-Dove | Ptilinopus pelewensis |
| Palau Ground-Dove | Gallicolumba canifrons |
| Palau Owl | Pyrroglaux podargina |
| Palau Swiftlet | Aerodramus pelewensis |
| Palawan Peacock-Pheasant | Polyplectron napoleonis |
| Pale Chanting-Goshawk | Melierax canorus |
| Pale-bellied Myna | Acridotheres javanicus |
| Pale-breasted Spinetail | Synallaxis albescens |
| Pale-breasted Thrush | Turdus leucomelas |
| Pale-headed Rosella | Platycercus adscitus |
| Palestine Sunbird | Cinnyris osea |
| Pale-vented Pigeon | Patagioenas cayennensis |
| Pale-winged Indigobird | Vidua wilsoni |
| Pale-winged Trumpeter | Psophia leucoptera |
| Pallas's Sandgrouse | Syrrhaptes paradoxus |
| Pallid Harrier | Circus macrourus |
| Pallid Scops-Owl | Otus brucei |
| Pallid Swift | Apus pallidus |
| Palm Cockatoo | Probosciger aterrimus |
| Palm Lorikeet | Charmosyna palmarum |
| Palm Swift | Cypsiurus parvus |
| Palm Tanager | Thraupis palmarum |
| Palm Warbler | Dendroica palmarum |
| Palmchat | Dulus dominicus |
| Palm-nut Vulture | Gypohierax angolensis |
| Pangani Longclaw | Macronyx aurantiigula |
| Papuan Hawk-Owl | Uroglaux dimorpha |
| Papuan King-Parrot | Alisterus chloropterus |
| Papuan Lorikeet | Charmosyna papou |
| Papuan Lorikeet | Charmosyna papou |
| Papyrus Gonolek | Laniarius mufumbiri |
| Papyrus Yellow Warbler | Chloropeta gracilirostris |
| Paradise Jacamar | Galbula dea |
| Paradise Riflebird | Ptiloris paradiseus |
| Paradise Shelduck | Tadorna variegata |
| Paradise Tanager | Tangara chilensis |
| Parakeet Auklet | Aethia psittacula |
| Parasitic Jaeger | Stercorarius parasiticus |
| Parasitic Weaver | Anomalospiza imberbis |
| Passerini's Tanager | Ramphocelus passerinii |
| Pauraque | Nyctidromus albicollis |
| Peach-fronted Parakeet | Aratinga aurea |
| Peach-fronted Parakeet | Eupsittula aurea |
| Peacock Coquette | Lophornis pavoninus |
| Pearl Kite | Gampsonyx swainsonii |
| Pearled Treerunner | Margarornis squamiger |
| Pearl-spotted Owlet | Glaucidium perlatum |
| Pearly-eyed Thrasher | Margarops fuscatus |
| Pectoral Sandpiper | Calidris melanotos |
| Pelagic Cormorant | Phalacrocorax pelagicus |
| Pel's Fishing-Owl | Scotopelia peli |
| Pemba Green-Pigeon | Treron pembaensis |
| Pemba Scops-Owl | Otus pembaensis |
| Pemba Sunbird | Cinnyris pembae |
| Pemba White-eye | Zosterops vaughani |
| Pennant-winged Nightjar | Macrodipteryx vexillarius |
| Père David's Laughingthrush | Garrulax davidi |
| Peregrine Falcon | Falco peregrinus |
| Peruvian Booby | Sula variegata |
| Peruvian Diving-Petrel | Pelecanoides garnotii |
| Peruvian Pelican | Pelecanus thagus |
| Peruvian Pygmy-Owl | Glaucidium peruanum |
| Peruvian Tern | Sternula lorata |
| Peruvian Thick-knee | Burhinus superciliaris |
| Pesquet's Parrot | Psittrichas fulgidus |
| Peters's Twinspot | Hypargos niveoguttatus |
| Phalacrocorax aristotelis | Phalacrocorax aristotelis |
| Pharaoh Eagle-Owl | Bubo ascalaphus |
| Pheasant Coucal | Centropus phasianinus |
| Pheasant Pigeon | Otidiphaps nobilis |
| Pheasant-tailed Jacana | Hydrophasianus chirurgus |
| Philby's Partridge | Alectoris philbyi |
| Philippine Cockatoo | Cacatua haematuropygia |
| Philippine Duck | Anas luzonica |
| Philippine Eagle-Owl | Bubo philippensis |
| Philippine Falconet | Microhierax erythrogenys |
| Philippine Hawk-Eagle | Spizaetus philippensis |
| Philippine Hawk-Owl | Ninox philippensis |
| Philippine Scops-Owl | Otus megalotis |
| Philippine Serpent-Eagle | Spilornis holospilus |
| Philippine Trogon | Harpactes ardens |
| Phoenix Petrel | Pterodroma alba |
| Piapiac | Ptilostomus afer |
| Picazuro Pigeon | Patagioenas picazuro |
| Picui Ground-Dove | Columbina picui |
| Pied Avocet | Recurvirostra avosetta |
| Pied Barbet | Tricholaema leucomelas |
| Pied Cormorant | Phalacrocorax varius |
| Pied Crow | Corvus albus |
| Pied Cuckoo | Clamator jacobinus |
| Pied Falconet | Microhierax melanoleucos |
| Pied Fantail | Rhipidura javanica |
| Pied Goshawk | Accipiter albogularis |
| Pied Harrier | Circus melanoleucos |
| Pied Heron | Egretta picata |
| Pied Imperial-Pigeon | Ducula bicolor |
| Pied Kingfisher | Ceryle rudis |
| Pied Oystercatcher | Haematopus longirostris |
| Pied Stilt | Himantopus leucocephalus |
| Pied Water-Tyrant | Fluvicola pica |
| Pied Wheatear | Oenanthe pleschanka |
| Pied-billed Grebe | Podilymbus podiceps |
| Pigeon Guillemot | Cepphus columba |
| Pileated Parrot | Pionopsitta pileata |
| Pileated Woodpecker | Dryocopus pileatus |
| Pine Grosbeak | Pinicola enucleator |
| Pink Cockatoo | Cacatua leadbeateri |
| Pink Pigeon | Nesoenas mayeri |
| Pink-backed Pelican | Pelecanus rufescens |
| Pink-billed Parrot-Finch | Erythrura kleinschmidti |
| Pink-eared Duck | Malacorhynchus membranaceus |
| Pink-footed Goose | Anser brachyrhynchus |
| Pink-footed Shearwater | Puffinus creatopus |
| Pink-headed Duck | Rhodonessa caryophyllacea |
| Pink-necked Green-Pigeon | Treron vernans |
| Pinnated Bittern | Botaurus pinnatus |
| Pintail Snipe | Gallinago stenura |
| Pin-tailed Green Pigeon | Treron apicauda |
| Pin-tailed Manakin | Ilicura militaris |
| Pin-tailed Sandgrouse | Pterocles alchata |
| Pin-tailed Whydah | Vidua macroura |
| Piping Plover | Charadrius melodus |
| Pitcairn Reed-Warbler | Acrocephalus vaughani |
| Pitt Island Shag | Phalacrocorax featherstoni |
| Pitta-like Ground-Roller | Atelornis pittoides |
| Plain Chachalaca | Ortalis vetula |
| Plain Pigeon | Patagioenas inornata |
| Plain Xenops | Xenops minutus |
| Plain-backed Sunbird | Anthreptes reichenowi |
| Plain-bellied Emerald | Amazilia leucogaster |
| Plain-capped Starthroat | Heliomaster constantii |
| Plain-pouched Hornbill | Rhyticeros subruficollis |
| Plain-throated Sunbird | Anthreptes malacensis |
| Planalto Hermit | Phaethornis pretrei |
| Plate-billed Mountain Toucan | Andigena laminirostris |
| Plovercrest | Stephanoxis lalandi |
| Plumbeous Euphonia | Euphonia plumbea |
| Plumbeous Ibis | Theristicus caerulescens |
| Plumbeous Kite | Ictinia plumbea |
| Plumbeous Pigeon | Patagioenas plumbea |
| Plumbeous Redstart | Rhyacornis fuliginosa |
| Plumbeous Warbler | Dendroica plumbea |
| Plumed Guineafowl | Guttera plumifera |
| Plumed Whistling-Duck | Dendrocygna eytoni |
| Plum-headed Parakeet | Psittacula cyanocephala |
| Plum-throated Cotinga | Cotinga maynana |
| Plushcap | Catamblyrhynchus diadema |
| Plush-crested Jay | Cyanocorax chrysops |
| Pohnpei Fantail | Rhipidura kubaryi |
| Pohnpei Flycatcher | Myiagra pluto |
| Pohnpei Lorikeet | Trichoglossus rubiginosus |
| Pohnpei Starling | Aplonis pelzelni |
| Polynesian Ground Dove | Gallicolumba erythroptera |
| Polynesian Imperial-Pigeon | Ducula aurorae |
| Polynesian Starling | Aplonis tabuensis |
| Polynesian Storm-Petrel | Nesofregetta fuliginosa |
| Polynesian Triller | Lalage maculosa |
| Pomarine Jaeger | Stercorarius pomarinus |
| Pompadour Cotinga | Xipholena punicea |
| Pompadour Green-pigeon | Treron pompadora |
| Powerful Owl | Ninox strenua |
| Prairie Falcon | Falco mexicanus |
| Prairie Warbler | Dendroica discolor |
| Principe Glossy-Starling | Lamprotornis ornatus |
| Principe Golden-Weaver | Ploceus princeps |
| Principe Kingfisher | Alcedo leucogaster |
| Principe Seedeater | Serinus rufobrunneus |
| Principe Sunbird | Anabathmis hartlaubii |
| Principe White-eye | Zosterops ficedulinus |
| Prothonotary Warbler | Protonotaria citrea |
| Providence Petrel | Pterodroma solandri |
| Przevalski's Rosefinch | Urocynchramus pylzowi |
| Puerto Rican Emerald | Chlorostilbon maugaeus |
| Puerto Rican Lizard-Cuckoo | Coccyzus vieilloti |
| Puerto Rican Parrot | Amazona vittata |
| Puerto Rican spindalis | Spindalis portoricensis |
| Puerto Rican Tody | Todus mexicanus |
| Puerto Rican Woodpecker | Melanerpes portoricensis |
| Puna Flamingo | Phoenicoparrus jamesi |
| Puna Ibis | Plegadis ridgwayi |
| Puna Tinamou | Tinamotis pentlandii |
| Purple Finch | Carpodacus purpureus |
| Purple Gallinule | Porphyrio martinica |
| Purple Glossy-Starling | Lamprotornis purpureus |
| Purple Grenadier | Uraeginthus ianthinogaster |
| Purple Heron | Ardea purpurea |
| Purple Honeycreeper | Cyanerpes caeruleus |
| Purple Martin | Progne subis |
| Purple Roller | Coracias naevius |
| Purple Sandpiper | Calidris maritima |
| Purple Sunbird | Cinnyris asiaticus |
| Purple Swamphen | Porphyrio porphyrio |
| Purple-backed Starling | Sturnus sturninus |
| Purple-breasted Cotinga | Cotinga cotinga |
| Purple-breasted Sunbird | Nectarinia purpureiventris |
| Purple-collared Woodstar | Myrtis fanny |
| Purple-crested Turaco | Tauraco porphyreolophus |
| Purple-crowned Lorikeet | Glossopsitta porphyrocephala |
| Purple-naped Lory | Lorius domicella |
| Purple-tailed Imperial-Pigeon | Ducula rufigaster |
| Purple-throated Carib | Eulampis jugularis |
| Purple-throated Cuckooshrike | Campephaga quiscalina |
| Purple-throated Fruitcrow | Querula purpurata |
| Purple-throated Mountain-gem | Lampornis calolaemus |
| Purple-throated Sunbird | Hypogramma hypogrammicum |
| Purple-throated Sunbird | Leptocoma sperata |
| Purplish Jay | Cyanocorax cyanomelas |
| Pygmy Antwren | Myrmotherula brachyura |
| Pygmy Batis | Batis perkeo |
| Pygmy Blue-Flycatcher | Ficedula hodgsoni |
| Pygmy Cormorant | Phalacrocorax pygmeus |
| Pygmy Falcon | Polihierax semitorquatus |
| Pygmy Lorikeet | Charmosyna wilhelminae |
| Pygmy Nuthatch | Sitta pygmaea |
| Pygmy Sunbird | Anthodiaeta platura |
| Pygmy Sunbird | Hedydipna platura |
| Pyrrhuloxia | Cardinalis sinuatus |
| Quailfinch Indigobird | Vidua nigeriae |
| Rachel's Malimbe | Malimbus racheliae |
| Racket-tailed Coquette | Discosura longicaudus |
| Racket-tailed Roller | Coracias spatulatus |
| Radde's Warbler | Phylloscopus schwarzi |
| Radjah Shelduck | Tadorna radjah |
| Raggiana Bird-of-paradise | Paradisaea raggiana |
| Rainbow Bee-eater | Merops ornatus |
| Rainbow Lorikeet | Trichoglossus haematodus |
| Rainbow Lorikeet | Trichoglossus haematodus |
| Rainbow Pitta | Pitta iris |
| Rainbow-bearded Thornbill | Chalcostigma herrani |
| Rapa Fruit Dove | Ptilinopus huttoni |
| Rarotonga Monarch | Pomarea dimidiata |
| Rarotonga Starling | Aplonis cinerascens |
| Razo Skylark | Alauda razae |
| Razorbill | Alca torda |
| Razor-billed Curassow | Mitu tuberosum |
| Red Avadavat | Amandava amandava |
| Red Bird-of-paradise | Paradisaea rubra |
| Red cockaded Woodpecker | Picoides borealis |
| Red Crossbill | Loxia curvirostra |
| Red Fody | Foudia madagascariensis |
| Red Goshawk | Erythrotriorchis radiatus |
| Red Junglefowl | Gallus gallus |
| Red Kite | Milvus milvus |
| Red Knot | Calidris canutus |
| Red Lory | Eos bornea |
| Red Phalarope | Phalaropus fulicarius |
| Red Shining-Parrot | Prosopeia tabuensis |
| Red Shoveler | Anas platalea |
| Red Siskin | Spinus cucullata |
| Red Siskin | Carduelis cucullata |
| Red Turtle Dove | Streptopelia tranquebarica |
| Red-and-black Grosbeak | Periporphyrus erythromelas |
| Red-and-green Macaw | Ara chloropterus |
| Red-and-white Crake | Laterallus leucopyrrhus |
| Red-and-yellow Barbet | Trachyphonus erythrocephalus |
| Red-backed Buttonquail | Turnix maculosus |
| Red-backed Kingfisher | Todiramphus pyrrhopygius |
| Red-backed Shrike | Lanius collurio |
| Red-bearded Bee-eater | Nyctyornis amictus |
| Red-bellied Fruit | Ptilinopus greyii |
| Red-bellied Grackle | Hypopyrrhus pyrohypogaster |
| Red-bellied Macaw | Orthopsittaca manilata |
| Red-bellied Malimbe | Malimbus erythrogaster |
| Red-bellied Pitta | Pitta erythrogaster |
| Red-bellied Woodpecker | Melanerpes carolinus |
| Red-billed Buffalo-Weaver | Bubalornis niger |
| Red-billed Chough | Pyrrhocorax pyrrhocorax |
| Red-billed Curassow | Crax blumenbachii |
| Red-billed Duck | Anas erythrorhyncha |
| Red-billed Dwarf Hornbill | Tockus camurus |
| Red-billed Firefinch | Lagonosticta senegala |
| Red-billed Francolin | Pternistis adspersus |
| Red-billed Francolin | Francolinus adspersus |
| Red-billed Gull | Chroicocephalus scopulinus |
| Red-billed Leiothrix | Leiothrix lutea |
| Red-billed Oxpecker | Buphagus erythrorhynchus |
| Red-billed Pied Tanager | Lamprospiza melanoleuca |
| Red-billed Quelea | Quelea quelea |
| Red-billed Scythebill | Campylorhamphus trochilirostris |
| Red-billed Streamertail | Trochilus polytmus |
| Red-billed Toucan, White-throated Toucan | Ramphastos tucanus |
| Red-billed Tropicbird | Phaethon aethereus |
| Red-breasted Blackbird | Sturnella militaris |
| Red-breasted Flycatcher | Ficedula parva |
| Red-breasted Goose | Branta ruficollis |
| Red-breasted Merganser | Mergus serrator |
| Red-breasted Parakeet | Psittacula alexandri |
| Red-breasted pygmy parrot | Micropsitta bruijinii |
| Red-breasted Sapsucker | Sphyrapicus ruber |
| Red-breasted Toucan, Green-billed Toucan | Ramphastos dicolorus |
| Red-capped Cardinal | Paroaria gularis |
| Red-capped Manakin | Pipra mentalis |
| Red-capped Manakin | Ceratopipra mentalis |
| Red-capped Parrot | Purpureicephalus spurius |
| Red-capped Robin-Chat | Cossypha natalensis |
| Red-cheeked cordonbleu | Uraeginthus bengalus |
| Red-cheeked Parrot | Geoffroyus geoffroyi |
| Red-chested Cuckoo | Cuculus solitarius |
| Red-chested Owlet | Glaucidium tephronotum |
| Red-chested Sunbird | Cinnyris erythrocercus |
| Red-collared Lorikeet | Trichoglossus rubritorquis |
| Red-collared Widowbird | Euplectes ardens |
| Red-collared Woodpecker | Picus rabieri |
| Red-cowled Cardinal | Paroaria dominicana |
| Red-crested Bustard | Lophotis ruficrista |
| Red-crested Cardinal | Paroaria coronata |
| Red-crested Finch | Coryphospingus cucullatus |
| Red-crested Pochard | Netta rufina |
| Red-crested Turaco | Tauraco erythrolophus |
| Red-crowned Ant-Tanager | Habia rubica |
| Red-crowned Barbet | Megalaima rafflesii |
| Red-crowned Crane | Grus japonensis |
| Red-crowned Parrot | Amazona viridigenalis |
| Red-crowned Woodpecker | Melanerpes rubricapillus |
| Reddish Egret | Egretta rufescens |
| Reddish Hermit | Phaethornis ruber |
| Red-eyed Dove | Streptopelia semitorquata |
| Red-eyed Vireo | Vireo olivaceus |
| Red-faced Cisticola | Cisticola erythrops |
| Red-faced Cormorant | Phalacrocorax urile |
| Red-faced Crimson-wing | Cryptospiza reichenovii |
| Red-faced Crombec | Sylvietta whytii |
| Red-faced Guan | Penelope dabbenei |
| Red-faced Liocichla | Liocichla phoenicea |
| Red-faced Malkoha | Phaenicophaeus pyrrhocephalus |
| Red-faced Mousebird | Urocolius indicus |
| Red-faced Warbler | Cardellina rubrifrons |
| Red-fan Parrot | Deroptyus accipitrinus |
| Red-flanked Lorikeet | Charmosyna placentis |
| Red-footed Booby | Sula sula |
| Red-footed Falcon | Falco vespertinus |
| Red-fronted Coot | Fulica rufifrons |
| Red-fronted Lorikeet | Charmosyna rubronotata |
| Red-fronted Macaw | Ara rubrogenys |
| Red-fronted Parakeet | Cyanoramphus novaezelandiae |
| Red-fronted Parrot | Poicephalus gulielmi |
| Red-gartered Coot | Fulica armillata |
| Redhead | Aythya americana |
| Red-headed Barbet | Eubucco bourcierii |
| Red-headed Bluebill | Spermophaga ruficapilla |
| Red-headed Bunting | Emberiza bruniceps |
| Red-headed Finch | Amadina erythrocephala |
| Red-headed Fody | Foudia eminentissima |
| Red-headed Lovebird | Agapornis pullarius |
| Red-headed Malimbe | Malimbus rubricollis |
| Red-headed Myzomela | Myzomela erythrocephala |
| Red-headed Parrotfinch | Erythrura cyaneovirens |
| Red-headed Quelea | Quelea erythrops |
| Red-headed vulture | Sarcogyps calvus |
| Red-headed Weaver | Anaplectes rubriceps |
| Red-headed Woodpecker | Melanerpes erythrocephalus |
| Red-knobbed Coot | Fulica cristata |
| Red-knobbed Imperial-Pigeon | Ducula rubricera |
| Red-legged Cormorant | Phalacrocorax gaimardi |
| Red-legged crake | Rallina fasciata |
| Red-legged Honeycreeper | Cyanerpes cyaneus |
| Red-legged Partridge | Alectoris rufa |
| Red-legged Seriema | Cariama cristata |
| Red-legged Thrush | Turdus plumbeus |
| Red-legged Tinamou | Crypturellus erythropus |
| Red-lored Parrot | Amazona autumnalis |
| Red-masked Parakeet | Aratinga erythrogenys |
| Red-naped Bushshrike | Laniarius ruficeps |
| Red-naped Trogon | Harpactes kasumba |
| Red-necked Amazon | Amazona arausiaca |
| Red-necked Aracari | Pteroglossus bitorquatus |
| Red-necked Avocet | Recurvirostra novaehollandiae |
| Red-necked Buzzard | Buteo auguralis |
| Red-necked Falcon | Falco chicquera |
| Red-necked Grebe | Podiceps grisegena |
| Red-necked Nightjar | Caprimulgus ruficollis |
| Red-necked Phalarope | Phalaropus lobatus |
| Red-necked Spurfowl | Francolinus afer |
| Red-necked Stint | Calidris ruficollis |
| Red-necked Tanager | Tangara cyanocephala |
| Red-necked Woodpecker | Campephilus rubricollis |
| Red-rumped Cacique | Cacicus haemorrhous |
| Red-rumped Parrot | Psephotus haematonotus |
| Red-rumped Swallow | Cecropis daurica |
| Red-rumped tinkerbird | Pogoniulus atroflavus |
| Red-shouldered Blackbird | Agelaius assimilis |
| Red-shouldered Hawk | Buteo lineatus |
| Red-shouldered Macaw | Diopsittaca nobilis |
| Red-spectacled Parrot | Amazona pretrei |
| Red-tailed Black-Cockatoo | Calyptorhynchus banksii |
| Red-tailed Comet | Sappho sparganura |
| Red-tailed Hawk | Buteo jamaicensis |
| Red-tailed Minla | Minla ignotincta |
| Red-tailed Parrot | Amazona brasiliensis |
| Red-tailed Tropicbird | Phaethon rubricauda |
| Red-tailed Vanga | Calicalicus madagascariensis |
| Red-throated Barbet | Megalaima mystacophanos |
| Red-throated Bee-eater | Merops bulocki |
| Red-throated Caracara | Ibycter americanus |
| Red-throated Loon | Gavia stellata |
| Red-throated Lorikeet | Charmosyna aureicincta |
| Red-throated Parakeet | Aratinga holochlora |
| Red-throated Parrot-Finch | Erythrura psittacea |
| Red-throated Pipit | Anthus cervinus |
| Red-throated Sunbird | Anthreptes rhodolaema |
| Red-vented Bulbul | Pycnonotus cafer |
| Red-vented Malimbe | Malimbus scutatus |
| Red-wattled Lapwing | Vanellus indicus |
| Red-whiskered Bulbul | Pycnonotus jocosus |
| Red-whiskered Bulbul | Megalurus palustris |
| Redwing | Turdus iliacus |
| Red-winged Blackbird | Agelaius phoeniceus |
| Red-winged Laughingthrush | Garrulax formosus |
| Red-winged Parrot | Aprosmictus erythropterus |
| Red-winged pytilia | Pytilia phoenicoptera |
| Red-winged Starling | Onychognathus morio |
| Red-winged Tinamou | Rhynchotus rufescens |
| Reed Bunting | Emberiza schoeniclus |
| Reed Parrotbill | Paradoxornis heudei |
| Reeves's Pheasant | Syrmaticus reevesii |
| Regal Sunbird | Cinnyris regius |
| Regent Parrot | Polytelis anthopeplus |
| Relict Gull | Ichthyaetus relictus |
| Rennell Shrikebill | Clytorhynchus hamlini |
| Resplendent Quetzal | Pharomachrus mocinno |
| Retz's Helmetshrike | Prionops retzii |
| Reunion Island Gallinule | Porphyrio coerulescens |
| Ribbon-tailed Astrapia | Astrapia mayeri |
| Ridgway's Hawk | Buteo ridgwayi |
| Ring Ouzel | Turdus torquatus |
| Ring-billed Gull | Larus delawarensis |
| Ringed Kingfisher | Megaceryle torquata |
| Ringed Teal | Callonetta leucophrys |
| Ringed Woodpecker | Celeus torquatus |
| Ring-necked Dove | Streptopelia capicola |
| Ring-necked Duck | Aythya collaris |
| Ring-necked Francolin | Francolinus streptophorus |
| Ring-necked Pheasant | Phasianus colchicus |
| River Tern | Sterna aurantia |
| Roadside Hawk | Rupornis magnirostris |
| Roadside Hawk | Buteo magnirostris |
| Rock Bunting | Emberiza cia |
| Rock Eagle-Owl | Bubo bubo |
| Rock Partridge | Alectoris graeca |
| Rock Pigeon | Columba livia |
| Rock Pigeon domestic type | Columba livia |
| Rock Pipit | Anthus petrosus |
| Rock Pratincole | Glareola nuchalis |
| Rock Ptarmigan | Lagopus muta |
| Rock Sparrow | Petronia petronia |
| Rodriguez Brush-Warbler | Acrocephalus rodericanus |
| Rook | Corvus frugilegus |
| Roseate Spoonbill | Platalea ajaja |
| Roseate Tern | Sterna dougallii |
| Rose-breasted Chat | Granatellus pelzelni |
| Rose-breasted Grosbeak | Pheucticus ludovicianus |
| Rose-ringed Parakeet | Psittacula krameri |
| Ross' Gull | Rhodostethia rosea |
| Ross's Turaco | Musophaga rossae |
| Rosy Bee-eater | Merops malimbicus |
| Rosy Minivet | Pericrocotus roseus |
| Rosy Starling | Sturnus roseus |
| Rosy Thrush-Tanager | Rhodinocichla rosea |
| Rosy-billed Pochard | Netta peposaca |
| Rosy-faced Lovebird | Agapornis roseicollis |
| Rosy-faced Lovebird | Agapornis roseicollis |
| Rota White-eye | Zosterops rotensis |
| Rotuma Myzomela | Myzomela cardinalis |
| Rouget's Rail | Rougetius rougetii |
| Rouget's Rail | Francolinus harwoodi |
| Rough-faced Shag | Phalacrocorax carunculatus |
| Rough-legged Hawk, Rough-legged Buzzard | Buteo lagopus |
| Roviana Rail | Gallirallus rovianae |
| Royal Albatross | Diomedea epomophora |
| Royal Parrotfinch | Erythrura regia |
| Royal Penguin | Eudyptes schlegeli |
| Royal Spoonbill | Platalea regia |
| Royal Sunangel | Heliangelus regalis |
| Royal Tern | Thalasseus maximus |
| Ruby-cheeked Sunbird | Anthreptes singalensis |
| Ruby-crowned Kinglet | Regulus calendula |
| Ruby-throated Hummingbird | Archilochus colubris |
| Ruby-topaz Hummingbird | Chrysolampis mosquitus |
| Ruddy Duck | Oxyura jamaicensis |
| Ruddy Foliage-gleaner | Automolus rubiginosus |
| Ruddy Ground-Dove | Columbina talpacoti |
| Ruddy Kingfisher | Halcyon coromanda |
| Ruddy Quail-Dove | Geotrygon montana |
| Ruddy Shelduck | Tadorna ferruginea |
| Ruddy Turnstone | Arenaria interpres |
| Ruddy-breasted Crake | Porzana fusca |
| Ruddy-headed Goose | Chloephaga rubidiceps |
| Ruddy-tailed Flycatcher | Terenotriccus erythrurus |
| Rueppell's Bustard | Eupodotis rueppelii |
| Rueppell's Bustard | Eupodotis rueppellii |
| Rueppell's Parrot | Poicephalus rueppellii |
| Rueppell's Warbler | Sylvia rueppelli |
| Rueppell's Weaver | Ploceus galbula |
| Rufescent Tiger-Heron | Tigrisoma lineatum |
| Ruff | Philomachus pugnax |
| Ruffed Grouse | Bonasa umbellus |
| Rufous Crab-Hawk | Buteogallus aequinoctialis |
| Rufous Fantail | Rhipidura rufifrons |
| Rufous Fishing-Owl | Scotopelia ussheri |
| Rufous Hornbill | Buceros hydrocorax |
| Rufous Hornero | Furnarius rufus |
| Rufous Hummingbird | Selasphorus rufus |
| Rufous Motmot | Baryphthengus martii |
| Rufous Night-Heron | Nycticorax caledonicus |
| Rufous Nightjar | Caprimulgus rufus |
| Rufous Owl | Ninox rufa |
| Rufous Piculet | Sasia abnormis |
| Rufous Rock-jumper | Chaetops frenatus |
| Rufous Sibia | Heterophasia capistrata |
| Rufous Treepie | Dendrocitta vagabunda |
| Rufous Twistwing | Cnipodectes superrufus |
| Rufous Vanga | Schetba rufa |
| Rufous-backed Bunting | Emberiza jankowskii |
| Rufous-backed Kingfisher | Ceyx rufidorsa |
| Rufous-backed Thrush | Turdus rufopalliatus |
| Rufous-bellied Antwren | Isleria guttata |
| Rufous-bellied Chachalaca | Ortalis wagleri |
| Rufous-bellied Eagle | Hieraaetus kienerii |
| Rufous-bellied Niltava | Niltava sundara |
| Rufous-bellied Thrush | Turdus rufiventris |
| Rufous-breasted Hermit | Glaucis hirsutus |
| Rufous-browed Peppershrike | Cyclarhis gujanensis |
| Rufous-cheeked nightjar | Caprimulgus rufigena |
| Rufous-chested Plover | Charadrius modestus |
| Rufous-chested Plover | Charadrius mongolus |
| Rufous-chested Sparrowhawk | Accipiter rufiventris |
| Rufous-collared Kingfisher | Actenoides concretus |
| Rufous-collared Robin | Turdus rufitorques |
| Rufous-collared Sparrow | Zonotrichia capensis |
| Rufous-crested Coquette | Lophornis delattrei |
| Rufous-naped Brush Finch | Atlapetes latinuchus |
| Rufous-naped Lark | Mirafra africana |
| Rufous-naped Wren | Campylorhynchus rufinucha |
| Rufous-necked Hornbill | Aceros nipalensis |
| Rufous-necked Wryneck | Jynx ruficollis |
| Rufous-sided Pygmy-Tyrant | Euscarthmus rufomarginatus |
| Rufous-tailed Hummingbird | Amazilia tzacatl |
| Rufous-tailed Jacamar | Galbula ruficauda |
| Rufous-tailed Lark | Ammomanes phoenicura |
| Rufous-tailed Rock-Thrush | Monticola saxatilis |
| Rufous-tailed Scrub-Robin | Cercotrichas galactotes |
| Rufous-tailed Shama | Trichixos pyrropyga |
| Rufous-tailed Shrike | Lanius isabellinus |
| Rufous-tailed Waterhen | Amaurornis moluccana |
| Rufous-thighed Kite | Harpagus diodon |
| Rufous-throated Sapphire | Hylocharis sapphirina |
| Rufous-throated Solitaire | Myadestes genibarbis |
| Rufous-vented Chachalaca | Ortalis ruficauda |
| Rufous-vented Paradise-Flycatcher | Terpsiphone rufocinerea |
| Rufous-vented Prinia | Laticilla burnesii |
| Rufous-winged Fulvetta | Alcippe castaneceps |
| Rufous-winged Sunbird | Cinnyris rufipennis |
| Rüppell's Black Chat | Myrmecocichla melaena |
| Rüppell's vulture, Rüppell's griffon vulture | Gyps rueppellii |
| Ruspoli's Turaco | Tauraco ruspolii |
| Russet Sparrow | Passer rutilans |
| Rusty-breasted Nunlet | Nonnula rubecula |
| Ruwenzori Batis | Batis diops |
| Ruwenzori Turaco | Ruwenzorornis johnstoni |
| Ryukyu Robin | Erithacus komadori |
| Ryukyu Scops-Owl, Elegant Scops-Owl | Otus elegans |
| Sabine's Gull | Xema sabini |
| Sacred Ibis | Threskiornis aethiopicus |
| Sacred Kingfisher | Todiramphus sanctus |
| Saddleback | Philesturnus carunculatus |
| Saddle-billed Stork | Ephippiorhynchus senegalensis |
| Saffron Finch | Sicalis flaveola |
| Saffron Toucanet | Pteroglossus bailloni |
| Saffron-cowled Blackbird | Xanthopsar flavus |
| Saffron-crested Tyrant-Manakin | Neopelma chrysocephalum |
| Sage Thrasher | Oreoscoptes montanus |
| Sahel Paradise Whydah | Vidua orientalis |
| Saker Falcon | Falco cherrug |
| Salmon-crested Cockatoo | Cacatua moluccensis |
| Salvadori's Teal | Salvadorina waigiuensis |
| Salvin's Prion | Pachyptila salvini |
| Samoan Fantail | Rhipidura nebulosa |
| Samoan Flycatcher | Myiagra albiventris |
| Samoan Moorhen | Gallinula pacifica |
| Samoan Starling | Aplonis atrifusca |
| Samoan Whistler | Pachycephala flavifrons |
| Samoan White-eye | Zosterops samoensis |
| San Cristobal Moorhen | Gallinula silvestris |
| Sand Partridge | Ammoperdix heyi |
| Sanderling | Calidris alba |
| Sandhill Crane | Grus canadensis |
| Sandwich Tern | Sterna sandvicensis |
| Sandwich Tern | Thalasseus sandvicensis |
| Sandy Scops-Owl | Otus icterorhynchus |
| Sanford's Fish-Eagle | Haliaeetus sanfordi |
| Sao Tome Canary | Neospiza concolor |
| Sao Tome Green-Pigeon | Treron sanctithomae |
| Sao Tome Olive-Pigeon | Columba thomensis |
| Sao Tome Oriole | Oriolus crassirostris |
| Sao Tome Prinia | Prinia molleri |
| Sao Tome Scops-Owl | Otus hartlaubi |
| Sao Tome Spinetail | Zoonavena thomensis |
| Sao Tome Sunbird | Nectarinia thomensis |
| Sao Tome Weaver | Ploceus sanctithomae |
| Sapphire Quail-Dove | Geotrygon saphirina |
| Sapphire-rumped Parrotlet | Touit purpuratus |
| Sardinian Warbler | Sylvia melanocephala |
| Sarus Crane | Grus antigone |
| Satin Bowerbird | Ptilonorhynchus violaceus |
| Satyr Tragopan | Tragopan satyra |
| Saunders' Tern | Sternula saundersi |
| Saunders's Gull | Chroicocephalus saundersi |
| Savanna Hawk | Buteogallus meridionalis |
| Savannah Sparrow | Passerculus sandwichensis |
| Savi's Warbler | Locustella luscinioides |
| Sayaca Tanager | Thraupis sayaca |
| Say's Phoebe | Sayornis saya |
| Scaled Pigeon | Patagioenas speciosa |
| Scale-feathered Malkoha | Lepidogrammus cumingi |
| Scaly Francolin | Francolinus squamatus |
| Scaly Ground-Roller | Geobiastes squamiger |
| Scaly Thrush | Zoothera dauma |
| Scaly-bellied Woodpecker | Picus squamatus |
| Scaly-breasted Lorikeet | Trichoglossus chlorolepidotus |
| Scaly-breasted Thrasher | Allenia fusca |
| Scaly-naped Pigeon | Patagioenas squamosa |
| Scarlet Ibis | Eudocimus ruber |
| Scarlet Macaw | Ara macao |
| Scarlet Minivet | Pericrocotus speciosus |
| Scarlet Minivet | Pericrocotus flammeus |
| Scarlet Myzomela | Myzomela sanguinolenta |
| Scarlet Tanager | Piranga olivacea |
| Scarlet-backed Flowerpecker | Dicaeum cruentatum |
| Scarlet-chested Parrot | Neophema splendida |
| Scarlet-chested Sunbird | Chalcomitra senegalensis |
| Scarlet-crowned Barbet | Capito aurovirens |
| Scarlet-fronted Parakeet | Aratinga wagleri |
| Scarlet-headed Blackbird | Amblyramphus holosericeus |
| Scarlet-rumped Trogon | Harpactes duvaucelii |
| Scarlet-shouldered Parrotlet | Touit huetii |
| Scarlet-tufted Sunbird | Deleornis fraseri |
| Scarlet-tufted Sunbird | Nectarinia johnstoni |
| Schalow's Turaco | Tauraco schalowi |
| Schlegel's Asity | Philepitta schlegeli |
| Schlegel's Francolin | Francolinus schlegelii |
| Scissor-tailed Flycatcher | Tyrannus forficatus |
| Sclater's Monal | Lophophorus sclateri |
| Scrub Tanager | Tangara vitriolina |
| Seaside Sparrow | Ammodramus maritimus |
| Secretarybird | Sagittarius serpentarius |
| Sedge Warbler | Acrocephalus schoenobaenus |
| Sedge Wren | Cistothorus platensis |
| Semipalmated Plover | Charadrius semipalmatus |
| Semipalmated Sandpiper | Calidris pusilla |
| Semper's Warbler | Leucopeza semperi |
| Senegal Batis | Batis senegalensis |
| Senegal Coucal | Centropus senegalensis |
| Senegal Parrot | Poicephalus senegalus |
| Sepia-capped Flycatcher | Leptopogon amaurocephalus |
| Sericulus chrysocephalus | Sericulus chrysocephalus |
| Seven-coloured Tanager | Tangara fastuosa |
| Seychelles Blue Pigeon | Alectroenas pulcherrimus |
| Seychelles Bulbul | Hypsipetes crassirostris |
| Seychelles Fody | Foudia sechellarum |
| Seychelles Kestrel | Falco araeus |
| Seychelles Magpie-Robin | Copsychus sechellarum |
| Seychelles Paradise Flycatcher | Terpsiphone corvina |
| Seychelles Parakeet | Psittacula wardi |
| Seychelles Scops-Owl | Otus insularis |
| Seychelles Sunbird | Cinnyris dussumieri |
| Seychelles Swiftlet | Aerodramus elaphrus |
| Seychelles Warbler | Acrocephalus sechellensis |
| Seychelles White-eye | Zosterops modestus |
| Shaft-tailed Whydah | Vidua regia |
| Sharpbill | Oxyruncus cristatus |
| Sharp-shinned Hawk | Accipiter striatus |
| Sharp-tailed Glossy-Starling | Lamprotornis acuticaudus |
| Sharp-tailed Sandpiper | Calidris acuminata |
| Shelley's Eagle-Owl | Bubo shelleyi |
| Shelley's Sunbird | Cinnyris shelleyi |
| Shikra | Accipiter badius |
| Shining Blue Kingfisher | Alcedo quadribrachys |
| Shining Bronze-Cuckoo | Chrysococcyx lucidus |
| Shiny Cowbird | Molothrus bonariensis |
| Shoebill | Balaeniceps rex |
| Shore plover | Thinornis novaeseelandiae |
| Short-billed Dowitcher | Limnodromus griseus |
| Short-eared Owl | Asio flammeus |
| Short-legged Ground-Roller | Brachypteracias leptosomus |
| Short-tailed Albatross | Phoebastria albatrus |
| Short-tailed Hawk | Buteo brachyurus |
| Short-tailed Paradigalla | Paradigalla brevicauda |
| Short-tailed Pygmy-Tyrant | Myiornis ecaudatus |
| Short-toed snake eagle | Circaetus gallicus |
| Short-toed Treecreeper | Certhia brachydactyla |
| Shy Albatross | Thalassarche cauta |
| Siamese Fireback | Lophura diardi |
| Siberian Crane | Grus leucogeranus |
| Siberian Jay | Perisoreus infaustus |
| Siberian Rubythroat | Luscinia calliope |
| Siberian Stonechat | Saxicola maurus |
| Sickle-billed Vanga | Falculea palliata |
| Silktail | Lamprolia victoriae |
| Silver Gull | Chroicocephalus novaehollandiae |
| Silver Pheasant | Lophura nycthemera |
| Silver Teal | Anas versicolor |
| Silver-beaked Tanager | Ramphocelus carbo |
| Silver-breasted Broadbill | Serilophus lunatus |
| Silver-capped Fruit-Dove | Ptilinopus richardsii |
| Silver-eared Leiothrix | Leiothrix argentauris |
| Silvereye | Zosterops lateralis |
| Silvery Grebe | Podiceps occipitalis |
| Silvery-cheeked Hornbill | Bycanistes brevis |
| Sinaloa Martin | Progne sinaloae |
| Singing Bushlark | Mirafra cantillans |
| Singing Parrot | Geoffroyus heteroclitus |
| Slate-colored Solitaire | Myadestes unicolor |
| Slaty Egret | Egretta vinaceigula |
| Slaty Finch | Haplospiza rustica |
| Slaty Monarch | Mayrornis lessoni |
| Slaty-backed Forest-Falcon | Micrastur mirandollei |
| Slaty-backed Gull | Larus schistisagus |
| Slaty-breasted Rail | Gallirallus striatus |
| Slaty-breasted Tinamou | Crypturellus boucardi |
| Slaty-capped Shrike-Vireo | Vireolanius leucotis |
| Slaty-headed Parakeet | Psittacula himalayana |
| Slaty-legged Crake | Rallina eurizonoides |
| Slaty-tailed Trogon | Trogon massena |
| Slender-billed Cicadabird | Coracina tenuirostris |
| Slender-billed Curlew | Numenius tenuirostris |
| Slender-billed Finch | Xenospingus concolor |
| Slender-billed Gull | Chroicocephalus genei |
| Slender-billed Gull | Larus genei |
| Slender-billed Kite | Rostrhamus hamatus |
| Slender-billed Oriole | Oriolus tenuirostris |
| Slender-billed Parakeet | Enicognathus leptorhynchus |
| Slender-tailed Woodstar | Microstilbon burmeisteri |
| Small Ground-Finch | Geospiza fuliginosa |
| Small Tree-Finch | Camarhynchus parvulus |
| Smew | Mergellus albellus |
| Smith's Longspur | Calcarius pictus |
| Smooth-billed Ani | Crotophaga ani |
| Snail Kite | Rostrhamus sociabilis |
| Snares Penguin | Eudyptes robustus |
| Snoring Rail | Aramidopsis plateni |
| Snow Bunting | Plectrophenax nivalis |
| Snow Goose | Chen caerulescens |
| Snow goose | Anser caerulescens |
| Snow Petrel | Pagodroma nivea |
| Snow Pigeon | Columba leuconota |
| Snowy Cotinga | Carpodectes nitidus |
| Snowy Egret | Egretta thula |
| Snowy Owl | Bubo scandiacus |
| Snowy Plover | Charadrius alexandrinus |
| Snowy Plover | Charadrius nivosus |
| Snowy Sheathbill | Chionis albus |
| Sociable Lapwing | Vanellus gregarius |
| Sociable Weaver | Philetairus socius |
| Social Flycatcher | Myiozetetes similis |
| Socotra Cormorant | Phalacrocorax nigrogularis |
| Soft-plumaged Petrel | Pterodroma mollis |
| Solitary Cacique | Cacicus solitarius |
| Solitary Sandpiper | Tringa solitaria |
| Solitary Tinamou | Tinamus solitarius |
| Solomon Islands Frogmouth | Rigidipenna inexpectata |
| Solomon Islands Hawk-Owl | Ninox jacquinoti |
| Solomons white ibis, Solomon Islands white ibis | Threskiornis molucca |
| Somali Grosbeak | Rhynchostruthus socotranus |
| Somali Ostrich | Struthio molybdophanes |
| Somali Pigeon | Columba oliviae |
| Somaliweber | Ploceus spekei |
| Song Sparrow | Melospiza melodia |
| Song Thrush | Turdus philomelos |
| Sooty Albatross | Phoebetria fusca |
| Sooty Barbthroat | Threnetes leucurus |
| Sooty Chat | Myrmecocichla nigra |
| Sooty Falcon | Falco concolor |
| Sooty Gull | Ichthyaetus hemprichii |
| Sooty myzomela | Myzomela tristami |
| Sooty Shearwater | Puffinus griseus |
| Sora | Porzana carolina |
| Souimanga Sunbird | Cinnyris souimanga |
| Souimanga Sunbird | Cinnyris sovimanga |
| South African Shelduck | Tadorna cana |
| South American Snipe | Gallinago paraguaiae |
| South American Tern | Sterna hirundinacea |
| South Georgia Diving-Petrel | Pelecanoides georgicus |
| South Georgia Pipit | Anthus antarcticus |
| South Georgia Shag | Phalacrocorax georgianus |
| South Island Wren | Xenicus gilviventris |
| South Polar Skua | Stercorarius maccormicki |
| Southern Black Korhaan | Afrotis afra |
| Southern Black-headed Munia | Lonchura atricapilla |
| Southern Boobook | Ninox boobook |
| Southern Brown Kiwi | Apteryx australis |
| Southern Cassowary | Casuarius casuarius |
| Southern Crested Caracara, Southern Caracara | Caracara plancus |
| Southern Crowned Pigeon | Goura scheepmakeri |
| Southern double-collared sunbird | Cinnyris chalybeus |
| Southern Fulmar | Fulmarus glacialoides |
| Southern Grey Shrike | Lanius meridionalis |
| Southern Ground-Hornbill | Bucorvus leadbeateri |
| Southern Lapwing | Vanellus chilensis |
| Southern Masked-Weaver | Ploceus velatus |
| Southern Pied-Babbler | Turdoides bicolor |
| Southern Pochard | Netta erythrophthalma |
| Southern Red Bishop, Red Bishop | Euplectes orix |
| Southern Rockhopper Penguin | Eudyptes filholi |
| Southern Screamer | Chauna torquata |
| Southern Shrikebill | Clytorhynchus pachycephaloides |
| Southern White-faced Owl | Ptilopsis granti |
| Southern Yellow Grosbeak | Pheucticus chrysogaster |
| Southern Yellow-billed Hornbill | Tockus leucomelas |
| Spangled Cotinga | Cotinga cayana |
| Spanish Sparrow | Passer hispaniolensis |
| Sparkling Violetear | Colibri coruscans |
| Sparkling-tailed Hummingbird | Tilmatura dupontii |
| Speckled Mousebird | Colius striatus |
| Speckled Piculet | Picumnus innominatus |
| Speckled Pigeon | Columba guinea |
| Speckled Spinetail | Cranioleuca gutturata |
| Speckled Teal | Anas flavirostris |
| Spectacled Eider | Somateria fischeri |
| Spectacled Monarch | Monarcha trivirgatus |
| Spectacled Owl | Pulsatrix perspicillata |
| Spectacled Parrotlet | Forpus conspicillatus |
| Spectacled Petrel | Procellaria aequinoctialis |
| Spectacled Warbler | Sylvia conspicillata |
| Spectacled Weaver | Ploceus ocularis |
| Spinifex Pigeon | Geophaps plumifera |
| Spiny Babbler | Turdoides nipalensis |
| Spix's Guan | Penelope jacucacu |
| Splendid Fairywren | Malurus splendens |
| Splendid Glossy-Starling | Lamprotornis splendidus |
| Splendid Sunbird | Cinnyris coccinigastrus |
| Spoon-billed Sandpiper | Eurynorhynchus pygmeus |
| Spot-bellied Eagle-Owl | Bubo nipalensis |
| Spot-billed Duck | Anas poecilorhyncha |
| Spot-billed Pelican | Pelecanus philippensis |
| Spot-breasted Lapwing | Vanellus melanocephalus |
| Spot-breasted Oriole | Icterus pectoralis |
| Spot-crowned Woodcreeper | Lepidocolaptes affinis |
| Spotless Crake | Porzana tabuensis |
| Spotless Starling | Sturnus unicolor |
| Spot-necked Babbler | Stachyris striolata |
| Spot-tailed Nightjar | Caprimulgus maculicaudus |
| Spotted Antbird | Hylophylax naevioides |
| Spotted Catbird | Ailuroedus melanotis |
| Spotted Catbird, Green Catbird | Ailuroedus crassirostris |
| Spotted Crake | Porzana porzana |
| Spotted Dove | Spilopelia chinensis |
| Spotted Dove | Streptopelia chinensis |
| Spotted Dove | Stigmatopelia chinensis |
| Spotted Eagle-Owl | Bubo africanus |
| Spotted Flycatcher | Muscicapa striata |
| Spotted Forktai | Enicurus maculatus |
| Spotted Ground-Thrush | Zoothera guttata |
| Spotted Harrier | Circus assimilis |
| Spotted honeyguid | Indicator maculatus |
| Spotted Imperial-Pigeon | Ducula carola |
| Spotted Kingfisher | Actenoides lindsayi |
| Spotted Nutcracker | Nucifraga caryocatactes |
| Spotted Owl | Strix occidentalis |
| Spotted Owlet | Athene brama |
| Spotted Pardalote | Pardalotus punctatus |
| Spotted Puffbird | Nystactes tamatia |
| Spotted Rail | Pardirallus maculatus |
| Spotted Redshank | Tringa erythropus |
| Spotted Sandgrouse | Pterocles senegallus |
| Spotted Sandpiper | Actitis macularius |
| Spotted Thick-knee | Burhinus capensis |
| Spotted Towhee | Pipilo maculatus |
| Spotted Whistling-Duck | Dendrocygna guttata |
| Spotted Wood Owl | Strix seloputo |
| Spot-winged Antshrike | Pygiptila stellaris |
| Spruce Grouse | Falcipennis canadensis |
| Spur-winged Goose | Plectropterus gambensis |
| Spur-winged Lapwing | Vanellus spinosus |
| Squacco Heron | Ardeola ralloides |
| Squirrel Cuckoo | Piaya cayana |
| Sri Lanka Bay-Owl | Phodilus assimilis |
| Sri Lanka Scimitar-babbler | Pomatorhinus melanurus |
| St. Andrew Vireo | Vireo caribaeus |
| St. Helena Plover | Charadrius sanctaehelenae |
| St. Lucia Black Finch | Melanospiza richardsoni |
| St. Lucia Oriole | Icterus laudabilis |
| St. Lucia Parrot | Amazona versicolor |
| St. Lucia Warbler | Setophaga delicata |
| St. Lucia Warbler | Dendroica delicata |
| St. Vincent Amazon | Amazona guildingii |
| St. Vincent Solitaire | Myadestes sibilans |
| Standardwing | Semioptera wallacii |
| Stanley Bustard | Neotis denhami |
| Steely-vented Hummingbird | Amazilia saucerottei |
| Steere's Liocichla | Liocichla steerii |
| Steller's Eider | Polysticta stelleri |
| Steller's Jay | Cyanocitta stelleri |
| Steller's Sea-Eagle | Haliaeetus pelagicus |
| Stephanie's Astrapia, Princess Stephanie's Astrapia | Astrapia stephaniae |
| Stephanie's Astrapia, Princess Stephanie's Astrapia | Archboldia papuensis |
| Stephan's Dove | Chalcophaps stephani |
| Stephen's Lorikeet | Vini stepheni |
| Steppe Eagle | Aquila nipalensis |
| Stierling's Woodpecker | Dendropicos stierlingi |
| Stilt Sandpiper | Calidris himantopus |
| Stitchbird | Notiomystis cincta |
| Stock Dove | Columba oenas |
| Stone Partridge | Ptilopachus petrosus |
| Stork-billed Kingfisher | Pelargopsis capensis |
| Storm's Stork | Ciconia stormi |
| Straight-billed Hermit | Phaethornis bourcieri |
| Straight-billed Woodcreeper | Dendroplex picus |
| Strange Weaver | Ploceus alienus |
| Straw-headed Bulbul | Pycnonotus zeylanicus |
| Straw-necked Ibis | Threskiornis spinicollis |
| Straw-tailed Whydah | Vidua fischeri |
| Streaked Berrypecker | Melanocharis striativentris |
| Streaked Bowerbird | Amblyornis subalaris |
| Streaked Fantail | Rhipidura verreauxi |
| Streaked Shearwater | Calonectris leucomelas |
| Striated Caracara | Phalcoboenus australis |
| Striated Heron | Butorides striata |
| Striated Lorikeet | Charmosyna multistriata |
| Striped Cuckoo | Tapera naevia |
| Striped Kingfisher | Halcyon chelicuti |
| Striped Owl | Pseudoscops clamator |
| Stygian Owl | Asio stygius |
| Subalpine Warbler | Sylvia cantillans |
| Sudan Golden Sparrow | Passer luteus |
| Sukatschev's Laughingthrush | Garrulax sukatschewi |
| Sulawesi masked owl | Tyto rosenbergii |
| Sulawesi Serpent-Eagle | Spilornis rufipectus |
| Sulphur-breasted Bushshrike | Telophorus sulfureopectus |
| Sulphur-breasted Myzomela | Myzomela jugularis |
| Sulphur-crested Cockatoo | Cacatua galerita |
| Sulphur-crested Cockatoo | Platycercus elegans |
| Sulphur-winged Parakeet | Pyrrhura hoffmanni |
| Sulphury Flycatcher | Tyrannopsis sulphurea |
| Sultan Tit | Melanochlora sultanea |
| Sulu Hornbill | Anthracoceros montani |
| Summer Tanager | Piranga rubra |
| Sun Parakeet | Aratinga solstitialis |
| Sunbird Asity | Neodrepanis coruscans |
| Sunbittern | Eurypyga helias |
| Sungrebe | Heliornis fulica |
| Superb Bird-of-paradise | Lophorina superba |
| Superb Fairywren | Malurus cyaneus |
| Superb Fruit-Dove | Ptilinopus superbus |
| Superb Lyrebird | Menura novaehollandiae |
| Superb Parrot | Polytelis swainsonii |
| Superb Pitta | Pitta superba |
| Superb Starling | Lamprotornis superbus |
| Superb Sunbird | Cinnyris superbus |
| Surf Scoter | Melanitta perspicillata |
| Swainson's Hawk | Buteo swainsoni |
| Swainson's Spurfowl | Pternistis swainsonii |
| Swallow Tanager | Tersina viridis |
| Swallow-tailed Bee-eater | Merops hirundineus |
| Swallow-tailed Gull | Creagrus furcatus |
| Swallow-tailed Hummingbird | Eupetomena macroura |
| Swallow-tailed Kite | Elanoides forficatus |
| Swallow-wing | Chelidoptera tenebrosa |
| Swamp Alseonax | Muscicapa aquatica |
| Swamp Harrier | Circus approximans |
| Swamp nightjar, Natal nightjar | Caprimulgus natalensis |
| Swan Goose | Anser cygnoides |
| Swee Waxbill | Pytilia melba |
| Swee Waxbill | Estrilda melanotis |
| Swift Parrot | Lathamus discolor |
| Swinhoe's Pheasant | Lophura swinhoii |
| Swinhoe's Rail | Coturnicops exquisitus |
| Swinhoe's Snipe | Gallinago megala |
| Sword-billed Hummingbird | Ensifera ensifera |
| Swynnerton's Robin | Swynnertonia swynnertoni |
| Syrian Woodpecker | Dendrocopos syriacus |
| Tahiti lorikeet, Violet lorikeet, Tahitian lory, Blue lory, Nunbird, Indigo lory | Vini peruviana |
| Tahiti Petrel | Pseudobulweria rostrata |
| Tahiti Reed-Warbler | Acrocephalus caffer |
| Taiga Bean-Goose | Anser fabalis |
| Taita Falcon | Falco fasciinucha |
| Taita Thrush | Turdus helleri |
| Taiwan blue magpie, Taiwan magpie, Formosan blue magpie | Urocissa caerulea |
| Taiwan Yuhina | Yuhina brunneiceps |
| Taliabu Masked-Ow | Tyto nigrobrunnea |
| Tambourine Dove | Turtur tympanistria |
| Tanimbar Cockatoo | Cacatua goffiniana |
| Tanna Fruit-Dove | Ptilinopus tannensis |
| Tawny Eagle | Aquila rapax |
| Tawny fish owl | Ketupa flavipes |
| Tawny Owl | Strix aluco |
| Tawny Pipit | Anthus campestris |
| Tawny Prin | Prinia subflava |
| Tawny-bellied Hermit | Phaethornis syrmatophorus |
| Tawny-shouldered Blackbird | Agelaius humeralis |
| Tawny-throated Dotterel | Oreopholus ruficollis |
| Tawny-throated Leaftosser | Sclerurus mexicanus |
| Tawny-tufted Toucanet | Selenidera nattereri |
| Temminck's Courser | Cursorius temminckii |
| Temminck's Lark | Eremophila bilopha |
| Temminck's Sunbird | Aethopyga temminckii |
| Temminck's Tragopan | Tragopan temminckii |
| Terek Sandpiper | Xenus cinereus |
| Thekla Lark | Galerida theklae |
| Thick-billed Green-Pigeon | Treron curvirostra |
| Thick-billed Murre | Uria lomvia |
| Thick-billed Parrot | Rhynchopsitta pachyrhyncha |
| Thick-billed Vireo | Vireo crassirostris |
| Three-banded Courser | Rhinoptilus cinctus |
| Three-banded Plover | Charadrius tricollaris |
| Three-toed Jacamar | Jacamaralcyon tridactyla |
| Thrush Nightingale | Luscinia luscinia |
| Thrush-like Schiffornis | Schiffornis turdina |
| Tibetan Bunting | Emberiza koslowi |
| Tibetan Sandgrouse | Syrrhaptes tibetanus |
| Tibetan Snowcock | Tetraogallus tibetanus |
| Tickell's Brown Hornbill | Anorrhinus tickelli |
| Tinkling Cisticola | Cisticola tinniens |
| Tit Berrypecker | Oreocharis arfaki |
| Toco Toucan | Ramphastos toco |
| Tody Motmot | Hylomanes momotula |
| Tongan Ground | Gallicolumba stairi |
| Tongan Whistler | Pachycephala jacquinoti |
| Tooth-billed Hummingbird | Androdon aequatorialis |
| Tooth-billed Pigeon | Didunculus strigirostris |
| Topknot Pigeon | Lopholaimus antarcticus |
| Torrent Duck | Merganetta armata |
| Torresian Imperial Pigeon | Ducula bicolor |
| Toucan-Barbet | Semnornis ramphastinus |
| Townsend's Warbler | Dendroica townsendi |
| Tree Pipit | Anthus trivialis |
| Tree Swallow | Tachycineta bicolor |
| Tricolored Munia | Lonchura malacca |
| Tricoloured Heron | Egretta tricolor |
| Tristan Albatross | Diomedea dabbenena |
| Tristan Thrush | Nesocichla eremita |
| Tristram's Starling | Onychognathus tristramii |
| Tristram's Warbler | Sylvia deserticola |
| Trocaz Pigeon | Columba trocaz |
| Tropical Mockingbird | Mimus gilvus |
| Tropical Parula | Parula pitiayumi |
| Tropical Parula | Setophaga pitiayumi |
| Tropical Screech-Owl | Megascops choliba |
| Truk Monarch | Metabolus rugensis |
| Truk White-eye | Rukia ruki |
| Trumpet Manucode | Phonygammus keraudrenii |
| Trumpeter Finch | Bucanetes githagineus |
| Trumpeter Hornbill | Bycanistes bucinator |
| Trumpeter Swan | Cygnus buccinator |
| Tuamotu Kingfisher | Todiramphus gambieri |
| Tuamotu Sandpiper | Prosobonia cancellata |
| Tucuman Parrot | Amazona tucumana |
| Tufted Coquette | Lophornis ornatus |
| Tufted Duck | Aythya fuligula |
| Tufted Jay | Cyanocorax dickeyi |
| Tufted Puffin | Fratercula cirrhata |
| Tufted Titmouse | Baeolophus bicolor |
| Tui | Prosthemadera novaeseelandiae |
| Tundra Swan | Cygnus columbianus |
| Turkestan Shrike | Lanius phoenicuroides |
| Turkey Vulture | Cathartes aura |
| Turquoise Cotinga | Cotinga ridgwayi |
| Turquoise Parrot | Neophema pulchella |
| Turquoise Tanager | Tangara mexicana |
| Turquoise-browed Motmot | Eumomota superciliosa |
| Twelve-wired Bird-of-paradise | Seleucidis melanoleucus |
| Two-banded Plover | Charadrius falklandicus |
| Tyrian Metaltail | Metallura tyrianthina |
| Ultramarine Kingfisher | Todiramphus leucopygius |
| Ultramarine Lorikeet | Vini ultramarina |
| Uluguru Bushshrike | Malaconotus alius |
| Upland Buzzard | Buteo hemilasius |
| Upland Goose | Chloephaga picta |
| Ural Owl | Strix uralensis |
| Vanikoro Flycatcher | Myiagra vanikorensis |
| Vanuatu Petrel | Pterodroma occulta |
| Vanuatu Scrubfowl | Megapodius layardi |
| Variable Chachalaca | Ortalis motmot |
| Variable Hawk | Buteo polyosoma |
| Variable Kingfisher | Ceyx lepidus |
| Variable Oystercatcher | Haematopus unicolor |
| Variable Screech-Owl | Megascops atricapilla |
| Variable Sunbird | Cinnyris venustus |
| Varied Thrush | Ixoreus naevius |
| Varied Tit | Cyanistes varius |
| Varied Tit | Poecile varius |
| Variegated Fairywren | Malurus lamberti |
| Variegated flycatcher | Empidonomus varius |
| Variegated Tinamou | Crypturellus variegatus |
| Vasa Parrot | Coracopsis vasa |
| Veery | Catharus fuscescens |
| Vega Gull | Larus vegae |
| Velvet-mantled Drongo | Dicrurus modestus |
| Velvet-purple Coronet | Boissonneaua jardini |
| Venezuelan Sylph | Aglaiocercus berlepschi |
| Venezuelan Troupial | Icterus icterus |
| Verdin | Auriparus flaviceps |
| Vermilion Cardinal | Cardinalis phoeniceus |
| Vermilion Flycatcher | Pyrocephalus rubinus |
| Vernal Hanging-Parrot | Loriculus vernalis |
| Verreaux's Coua | Coua verreauxi |
| Verreaux's Eagle | Aquila verreauxii |
| Verreaux's Eagle-Owl | Bubo lacteus |
| Versicolored Monarch | Mayrornis versicolor |
| Vervain Hummingbird | Mellisuga minima |
| Vesper Sparrow | Pooecetes gramineus |
| Victoria Crowned-Pigeon | Goura victoria |
| Victoria's Riflebird | Ptiloris victoriae |
| Vietnamese Pheasant, Vietnam Fireback | Lophura hatinhensis |
| Village Indigobird | Vidua chalybeata |
| Village Weaver | Ploceus cucullatus |
| Vinaceous Firefinch | Lagonosticta vinacea |
| Vinaceous Parrot | Amazona vinacea |
| Vinous-breasted Starling | Sturnus burmannicus |
| Vinous-throated Parrotbill | Paradoxornis webbianus |
| Violaceous Euphonia | Euphonia violacea |
| Violaceous Trogon | Trogon violaceus |
| Violet Sabrewing | Campylopterus hemileucurus |
| Violet Turaco | Musophaga violacea |
| Violet Woodhoopoe | Phoeniculus damarensis |
| Violet-backed Starling | Cinnyricinclus leucogaster |
| Violet-capped Woodnymph | Thalurania glaucopis |
| Violet-crowned Hummingbird | Amazilla violiceps |
| Violet-crowned Hummingbird | Amazilia violiceps |
| Violet-necked Lory | Eos squamata |
| Violet-tailed Sylph | Aglaiocercus coelestis |
| Violet-throated Toucanet | Aulacorhynchus cognatus |
| Vitelline Masked Weaver | Ploceus vitellinus |
| Vitelline Warbler | Dendroica vitellina |
| Volcano Hummingbird | Selasphorus flammula |
| Von der Decken's Hornbill | Tockus deckeni |
| Vulturine Guineafowl | Acryllium vulturinum |
| Wahlberg's Eagle | Hieraaetus wahlbergi |
| Wahnes's Parotia | Parotia wahnesi |
| Waldrapp | Geronticus eremita |
| Wallcreeper | Tichodroma muraria |
| Waller's Starling | Onychognathus walleri |
| Wandering Albatross | Diomedea exulans |
| Wandering Tattler | Tringa incana |
| Wandering Whistling Duck | Dendrocygna arcuata |
| Warbler | Sylvia sp. |
| Warbler Finch | Certhidea olivacea |
| Ward's Trogon | Harpactes wardi |
| Water Rail | Rallus aquaticus |
| Water Thick-knee | Burhinus vermiculatus |
| Watercock | Gallicrex cinerea |
| Wattled Brush-turkey | Aepypodius arfakianus |
| Wattled Crane | Bugeranus carunculatus |
| Wattled Honeyeater | Foulehaio carunculatus |
| Wattled Ibis | Bostrychia carunculata |
| Wattled Jacana | Jacana jacana |
| Wattled Lapwing | Vanellus senegallus |
| Wattled Smoky Honeyeater | Melipotes carolae |
| Wattled Starling | Creatophora cinerea |
| Waved Albatross | Phoebastria irrorata |
| Waved Woodpecker | Celeus undatus |
| Wedge-tailed Eagle | Aquila audax |
| Wedge-tailed Shearwater | Puffinus pacificus |
| Weka | Gallirallus australis |
| West Indian Whistling-Duck | Dendrocygna arborea |
| West Indian Woodpecker | Melanerpes superciliaris |
| Western Black-headed Oriole | Oriolus brachyrhynchus |
| Western Bonelli's Warbler | Phylloscopus bonelli |
| Western Bronze-naped Pigeon | Columba iriditorques |
| Western capercaillie, Wood grouse, Heather cock, Capercaillie | Tetrao urogallus |
| Western Chat Tanager | Calyptophilus tertius |
| Western Crowned Pigeon | Goura cristata |
| Western Grebe | Aechmophorus occidentalis |
| Western Gull | Larus occidentalis |
| Western Marsh-Harrier | Circus aeruginosus |
| Western Meadowlark | Sturnella neglecta |
| Western Nicator | Nicator chloris |
| Western Parotia | Parotia sefilata |
| Western Reef Heron | Egretta gularis |
| Western Rockhopper Penguin, American southern rockhopper penguin | Eudyptes chrysocome |
| Western Rosella | Platycercus icterotis |
| Western Sandpiper | Calidris mauri |
| Western Screech-Owl | Megascops kennicottii |
| Western Spindalis | Spindalis zena |
| Western Tanager | Piranga ludoviciana |
| Western Tragopan | Tragopan melanocephalus |
| Western Violet-backed Sunbird | Anthreptes longuemarei |
| Whimbrel | Numenius phaeopus |
| Whinchat | Saxicola rubetra |
| Whiskered Auklet | Aethia pygmaea |
| Whiskered Pitta | Pitta kochi |
| Whiskered Tern | Chlidonias hybrida |
| Whistling Fruit Dove | Ptilinopus layardi |
| Whistling heron | Syrigma sibilatrix |
| Whistling Kite | Haliastur sphenurus |
| Whistling Warbler | Catharopeza bishopi |
| White cockatoo | Cacatua alba |
| White Eared-Pheasant | Crossoptilon crossoptilon |
| White Hawk | Leucopternis albicollis |
| White Helmetshrike | Prionops plumatus |
| White Monjita | Xolmis irupero |
| White Stork | Ciconia ciconia |
| White Tern | Gygis alba |
| White Wagtail | Motacilla alba |
| White-backed Duck | Thalassornis leuconotus |
| White-backed Night-Heron | Gorsachius leuconotus |
| White-backed Stilt | Himantopus melanurus |
| White-backed Vulture | Gyps africanus |
| White-backed Woodpecker | Dendrocopos leucotos |
| White-barred Piculet | Picumnus cirratus |
| White-bellied Bustard | Eupodotis senegalensis |
| White-bellied Cinclodes | Cinclodes palliatus |
| White-bellied Cuckooshrike | Coracina papuensis |
| White-bellied Emerald | Amazilia candida |
| White-bellied Erpornis | Yuhina zantholeuca |
| White-bellied Heron | Ardea insignis |
| White-bellied Kingfisher | Alcedo leucogaster |
| White-bellied Mountain-gem | Lampornis hemileucus |
| White-bellied Parrot | Pionites leucogaster |
| White-bellied Pigeon | Treron sieboldii |
| White-bellied Sea-Eagle | Haliaeetus leucoryphus |
| White-bellied Sea-Eagle | Haliaeetus leucogaster |
| White-bellied storm petrel | Fregetta grallaria |
| White-bellied Sunbird | Cinnyris talatala |
| White-bellied Woodpecker | Dryocopus javensis |
| White-bibbed Ground-Dove | Gallicolumba jobiensis |
| White-billed Starling | Onychognathus albirostris |
| White-breasted Cormorant | Phalacrocorax lucidus |
| White-breasted Guineafowl | Agelastes meleagrides |
| White-breasted Nuthatch | Sitta carolinensis |
| White-breasted Thrasher | Ramphocinclus brachyurus |
| White-breasted Waterhen | Amaurornis phoenicurus |
| White-breasted Woodswallow | Artamus leucorynchus |
| White-bridled Finch | Melanodera melanodera |
| White-browed Babbler | Pomatostomus superciliosus |
| White-browed Coucal | Centropus superciliosus |
| White-browed Fantail | Rhipidura aureola |
| White-browed Hawk-Owl | Ninox superciliaris |
| White-browed Piculet | Sasia ochracea |
| White-browed Robin-Chat | Cossypha heuglini |
| White-browed Scimitar-Babbler | Pomatorhinus schisticeps |
| White-browed Shrike-Babbler | Pteruthius flaviscapis |
| White-browed Sparrow-Weaver | Plocepasser mahali |
| White-browed Tit-Warbler | Leptopoecile sophiae |
| White-capped Monarch | Monarcha richardsii |
| White-cheeked Bullfinch | Pyrrhula leucogenis |
| White-cheeked Honeyeater | Phylidonyris niger |
| White-cheeked Pintail | Anas bahamensis |
| White-cheeked Starling | Sturnus cineraceus |
| White-cheeked Tern | Sterna repressa |
| White-cheeked Turaco | Tauraco leucotis |
| White-chested | Amazilia brevirostris |
| White-chested Tinkerbird | Pogoniulus mukawai |
| White-chested White-eye | Zosterops albogularis |
| White-chinned Petrel | Procellaria aequinoctialis |
| White-chinned Sapphire | Hylocharis cyanus |
| White-collared Pigeon | Columba albitorques |
| White-collared Swift | Streptoprocne zonaris |
| White-crested | Garrulax leucolophus |
| White-crested Coquette | Lophornis adorabilis |
| White-crested Hornbill | Tropicranus albocristatus |
| White-crested Tiger Heron | Tigriornis leucolopha |
| White-crowned Hornbill | Berenicornis comatus |
| White-crowned Parrot | Pionus senilis |
| White-crowned Pigeon | Patagioenas leucocephala |
| White-crowned Robin-Chat | Cossypha albicapilla |
| White-crowned Shrike | Eurocephalus anguitimens |
| White-eared Bulbul | Pycnonotus leucotis |
| White-eared Ground Sparrow | Melozone leucotis |
| White-eared Hummingbird | Hylocharis leucotis |
| White-eared Night-Heron | Gorsachius magnificus |
| White-eyed Gull | Ichthyaetus leucophthalmus |
| White-eyed Parakeet | Aratinga leucophthalma |
| White-eyed River Martin | Pseudochelidon sirintarae |
| White-eyed Vireo | Vireo griseus |
| White-faced Heron | Egretta novaehollandiae |
| White-faced Ibis | Plegadis chihi |
| White-faced Starling | Sturnus albofrontatus |
| White-faced Storm-Petrel | Pelagodroma marina |
| White-faced Whistling-Duck | Dendrocygna viduata |
| White-fronted Bee-eater | Merops bullockoides |
| White-fronted Manakin | Lepidothrix serena |
| White-fronted Parrot | Amazona albifrons |
| White-fronted Plover | Charadrius marginatus |
| White-fronted Quail-Dove | Geotrygon leucometopia |
| White-fronted Scops-Owl | Otus sagittatus |
| White-headed Duck | Oxyura leucocephala |
| White-headed fruit dove | Ptilinopus eugeniae |
| White-headed Mousebird | Colius leucocephalus |
| White-headed Vulture | Trigonoceps occipitalis |
| White-headed Woodhoopoe | Phoeniculus bollei |
| Whitely's Toucanet | Aulacorhynchus whitelianus |
| White-naped Crane | Grus vipio |
| White-necked Crow | Corvus leucognaphalus |
| White-necked Jacobin | Florisuga mellivora |
| White-necked Petrel | Pterodroma cervicalis |
| White-necked Puffbird | Notharchus macrorhynchos |
| White-necked Raven | Corvus albicollis |
| White-necked Rockfowl | Picathartes gymnocephalus |
| White-plumed Antbird | Pithys albifrons |
| White-quilled Bustard | Afrotis afraoides |
| White-rumped Falcon | Polihierax insignis |
| White-rumped Munia | Lonchura striata |
| White-rumped Sandpiper | Calidris fuscicollis |
| White-rumped Shama | Copsychus malabaricus |
| White-rumped Swallow | Tachycineta leucorrhoa |
| White-rumped Vulture | Gyps bengalensis |
| White-shouldered Ibis | Pseudibis davisoni |
| White-shouldered Triller | Lalage sueurii |
| White-spectacled Bulbul | Pycnonotus xanthopygos |
| White-spotted Flufftail | Sarothrura pulchra |
| White-starred Robin | Pogonocichla stellata |
| White-tailed Crested-Flycatcher | Elminia albonotata |
| White-tailed Eagle | Haliaeetus albicilla |
| White-tailed Goldenthroat | Polytmus guainumbi |
| White-tailed Hawk | Buteo albicaudatus |
| White-tailed Kite | Elanus leucurus |
| White-tailed Ptarmigan | Lagopus leucura |
| White-tailed Swallow | Hirundo megaensis |
| White-tailed Trogon | Trogon viridis |
| White-tailed Tropicbird | Phaethon lepturus |
| White-tailed Wheatear | Oenanthe leucopyga |
| White-throated Bee-eater | Merops albicollis |
| White-throated Bushchat | Saxicola insignis |
| White-throated Dipper | Cinclus cinclus |
| White-throated Eared-Nightjar | Eurostopodus mystacalis |
| White-throated Flowerpecker, Legge's Flowerpecker | Dicaeum vincens |
| White-throated Hummingbird | Leucochloris albicollis |
| White-throated Kingfisher | Halcyon smyrnensis |
| White-throated Magpie-Jay | Calocitta formosa |
| White-throated Rail | Dryolimnas cuvieri |
| White-throated Robin | Irania gutturalis |
| White-throated Sparrow | Zonotrichia albicollis |
| White-throated Treecreeper | Cormobates leucophaea |
| White-throated Whistler, Fiji Whistler | Pachycephala vitiensis |
| White-tipped Dove | Leptotila verreauxi |
| White-tipped Plantcutter | Phytotoma rutila |
| White-tipped Sicklebill | Eutoxeres aquila |
| White-tufted Grebe | Rollandia rolland |
| White-tufted Sunbeam | Aglaeactis castelnaudii |
| White-vented Violet-ear | Colibri serrirostris |
| White-whiskered Laughingthrush | Garrulax morrisonianus |
| White-winged Apalis | Apalis chariessa |
| White-winged Cliff Chat | Thamnolaea semirufa |
| White-winged Crossbill | Loxia leucoptera |
| White-winged Dove | Zenaida asiatica |
| White-winged Duck | Asarcornis scutulata |
| White-winged Flufftail | Sarothrura ayresi |
| White-winged Guan | Penelope albipennis |
| White-winged Ibis | Lophotibis cristata |
| White-winged Ibis | Lophostrix cristata |
| White-winged Scoter | Melanitta fusca |
| White-winged Scoter | Melanitta fusca |
| White-winged Snowfinch | Montifringilla nivalis |
| White-winged Swallow | Tachycineta albiventer |
| White-winged Tanager | Piranga leucoptera |
| White-winged Tern | Chlidonias leucopterus |
| White-winged Warbler | Xenoligea montana |
| Whooper Swan | Cygnus cygnus |
| Whooping Crane | Grus americana |
| Wild Turkey | Meleagris gallopavo |
| Wilkins's Finch | Nesospiza wilkinsi |
| Willet | Tringa semipalmata |
| Willie-wagtail | Rhipidura leucophrys |
| Willow Ptarmigan | Lagopus lagopus |
| Willow Tit | Poecile montana |
| Willow Warbler | Phylloscopus trochilus |
| Wilson's Bird-of-paradise | Diphyllodes respublica |
| Wilson's Plover | Charadrius wilsonia |
| Wilson's Storm Petrel | Oceanites oceanicus |
| Wing-barred Piprites | Piprites chloris |
| Winter Wren | Troglodytes troglodytes |
| Wire-tailed Manakin | Pipra filicauda |
| Wire-tailed Swallow | Hirundo smithii |
| Wood Duck | Aix sponsa |
| Wood Sandpiper | Tringa glareola |
| Wood Stork | Mycteria americana |
| Wood Thrush | Hylocichla mustelina |
| Wood Warbler | Phylloscopus sibilatrix |
| Woodchat Shrike | Lanius senator |
| Woodford's Rail | Nesoclopeus poecilopterus |
| Woodland kingfisher | Halcyon senegalensis |
| Woodpecker Finch | Camarhynchus pallidus |
| Woolly-necked Stork | Ciconia episcopus |
| Worm-eating Warbler | Helmitheros vermivorum |
| Wreathed Hornbill | Rhyticeros undulatus |
| Wrinkled Hornbill | Aceros corrugatus |
| Wrinkled Hornbill | Rhabdotorrhinus corrugatus |
| Xinjiang Ground-Jay | Podoces biddulphi |
| Yap Mo | Monarcha godeffroyi |
| Yelkouan Shearwater | Puffinus yelkouan |
| Yellow Bishop | Euplectes capensis |
| Yellow Bittern | Ixobrychus sinensis |
| Yellow Bunting | Emberiza sulphurata |
| Yellow Canary | Serinus flaviventris |
| Yellow Cardinal | Gubernatrix cristata |
| Yellow Flycatcher-Warbler | Chloropeta natalensis |
| Yellow Fody | Foudia flavicans |
| Yellow Grosbeak | Pheucticus chrysopeplus |
| Yellow Oriole | Icterus nigrogularis |
| Yellow Robin | Eopsaltria australis |
| Yellow Tit | Parus holsti |
| Yellow Wagtail | Motacilla flava |
| Yellow Warbler, Mangrove Warbler | Setophaga petechia |
| Yellow-and-green Lorikeet | Trichoglossus flavoviridis |
| Yellow-backed Tanager | Hemithraupis flavicollis |
| Yellow-bellied Elaenia | Elaenia flavogaster |
| Yellow-bellied Prinia | Prinia flaviventris |
| Yellow-bellied Sapsucker | Sphyrapicus varius |
| Yellow-bellied Seedeater | Sporophila nigricollis |
| Yellow-bellied Seedeater | Sporophila schistacea |
| Yellow-bellied Tanager | Tangara xanthogastra |
| Yellow-bellied Tit | Periparus venustulus |
| Yellow-bibbed Fruit-Dove | Ptilinopus solomonensis |
| Yellow-bibbed Lory | Lorius chlorocercus |
| Yellow-billed amazon | Amazona collaria |
| Yellow-billed barbet | Trachyphonus purpuratus |
| Yellow-billed Barbet | Trachylaemus purpuratus |
| Yellow-billed Blue Finch | Porphyrospiza caerulescens |
| Yellow-billed cardinal | Paroaria capitata |
| Yellow-billed Cuckoo | Coccyzus americanus |
| Yellow-billed Duck | Anas undulata |
| Yellow-billed Grosbeak | Eophona migratoria |
| Yellow-billed Jacamar | Galbula albirostris |
| Yellow-billed Kingfisher | Syma torotoro |
| Yellow-billed Kite | Milvus aegyptius |
| Yellow-billed Loon | Gavia adamsii |
| Yellow-billed Lorikeet | Neopsittacus musschenbroekii |
| Yellow-billed Oxpecker | Buphagus africanus |
| Yellow-billed Pintail | Anas georgica |
| Yellow-billed Stork | Mycteria ibis |
| Yellow-billed Turaco | Tauraco macrorhynchus |
| Yellow-breasted | Chlamydera lauterbachi |
| Yellow-breasted Barbet | Trachyphonus margaritatus |
| Yellow-breasted Bird-of-para | Loboparadisea sericea |
| Yellow-breasted Bunting | Emberiza aureola |
| Yellow-breasted Chat | Icteria virens |
| Yellow-breasted Pipit | Anthus chloris |
| Yellow-breasted Warbler | Seicercus montis |
| Yellow-casqued Hornbill | Ceratogymna elata |
| Yellow-cheeked Tit | Parus spilonotus |
| Yellow-chevroned Parakeet | Brotogeris chiriri |
| Yellow-collared Lovebird | Agapornis personatus |
| Yellow-crested Cockatoo | Cacatua sulphurea |
| Yellow-crested Helmetshrike | Prionops alberti |
| Yellow-crowned Bishop | Euplectes afer |
| Yellow-crowned Night-Heron | Nyctanassa violacea |
| Yellow-crowned Parrot | Amazona ochrocephala |
| Yellow-eared Bulbul | Pycnonotus penicillatus |
| Yellow-eared Parrot | Ognorhynchus icterotis |
| Yellow-eared Toucanet | Selenidera spectabilis |
| Yellow-eyed Cuckooshrike | Coracina lineata |
| Yellow-eyed Penguin | Megadyptes antipodes |
| Yellow-eyed Thrush | Turdus nudigenis |
| Yellow-faced Grassquit | Tiaris olivaceus |
| Yellow-faced Myna | Mino dumontii |
| Yellow-faced Parrot | Alipiopsitta xanthops |
| Yellow-faced Parrot | Amazona xanthops |
| Yellow-faced Parrotlet | Forpus xanthops |
| Yellow-fronted Barbet | Megalaima flavifrons |
| Yellow-fronted Canary | Serinus mozambicus |
| Yellow-fronted Canary | Crithagra mozambica |
| Yellow-fronted Parakeet | Cyanoramphus auriceps |
| Yellow-fronted Parrot | Poicephalus flavifrons |
| Yellow-fronted Tinkerbird | Pogoniulus chrysoconus |
| Yellow-fronted White-eye | Zosterops flavifrons |
| Yellow-green Grosbeak | Caryothraustes canadensis |
| Yellow-green Vireo | Vireo flavoviridis |
| Yellowhammer | Emberiza citrinella |
| Yellowhead | Myrmotherula axillaris |
| Yellowhead | Mohoua ochrocephala |
| Yellow-headed Amazon | Amazona oratrix |
| Yellow-headed Blackbird | Xanthocephalus xanthocephalus |
| Yellow-headed Warbler | Teretistris fernandinae |
| Yellowish-bellied Bush-Warbler | Cettia acanthizoides |
| Yellowish-streaked lory | Chalcopsitta scintillata |
| Yellow-legged Buttonquail | Turnix tanki |
| Yellow-legged Gull | Larus michahellis |
| Yellow-lored Parrot | Amazona xantholora |
| Yellow-naped Parrot | Amazona auropalliata |
| Yellow-rumped Cacique | Cacicus cela |
| Yellow-rumped Flycatcher | Ficedula zanthopygia |
| Yellow-rumped Thornbill | Acanthiza chrysorrhoa |
| Yellow-rumped Tinkerbird | Pogoniulus bilineatus |
| Yellow-rumped Warbler | Dendroica coronata |
| Yellow-rumped Warbler | Setophaga coronata |
| Yellow-shouldered Amazon | Amazona barbadensis |
| Yellow-shouldered Blackbird | Agelaius xanthomus |
| Yellow-shouldered Widowbird | Euplectes macrourus |
| Yellow-streaked Greenbul | Phyllastrephus flavostriatus |
| Yellow-tailed Oriole | Icterus mesomelas |
| Yellow-throated Bunting | Emberiza elegans |
| Yellow-throated Leaflove | Chlorocichla flavicollis |
| Yellow-throated Longclaw | Macronyx croceus |
| Yellow-throated Sandgrouse | Pterocles gutturalis |
| Yellow-throated Tinkerbir | Pogoniulus subsulphureus |
| Yellow-throated Warbler | Dendroica dominica |
| Yellow-throated Warbler | Setophaga dominica |
| Yellow-throated Whistler | Pachycephala orioloides |
| Yellow-throated White-eye | Zosterops metcalfii |
| Yellow-throated Woodland-Warbler | Phylloscopus ruficapilla |
| Yellow-throated Woodpecker | Piculus flavigula |
| Yellow-tufted Honeyeater | Lichenostomus melanops |
| Yellow-tufted Woodpecker | Melanerpes cruentatus |
| Yellow-vented Green Pigeon | Treron seimundi |
| Yellow-vented Myzomela, Crimson-rumped Myzomela | Myzomela eichhorni |
| Yellow-wattled Lapwing | Vanellus malabaricus |
| Yemen Linnet | Carduelis yemenensis |
| Yemen Thrush | Turdus menachensis |
| Yucatan Vireo | Vireo magister |
| Yucatan Woodpecker | Melanerpes pygmaeus |
| Yunnan Nuthatch | Sitta yunnanensis |
| Zapata Rail | Cyanolimnas cerverai |
| Zapata Sparrow | Torreornis inexpectata |
| Zapata Wren | Ferminia cerverai |
| Zebra Dove | Geopelia striata |
| Zebra Finch | Taeniopygia guttata |
| Zebra Waxbill | Amandava subflava |
| Zenaida Dove | Zenaida aurita |
| Zigzag Heron | Zebrilus undulatus |
| Zone-tailed hawk | Buteo albonotatus |