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| Common Name | Latin Name |
| Abbott's Lesser Sulphur-crested Cockatoo | Cacatua sulphurea abbotti |
| `O`u | Psittirostra psittacea |
| Abdim's Stork | Ciconia abdimii |
| Abert's Towhee | Pipilo aberti |
| Abyssinian Eagle Owl | Bubo cinerascens |
| Abyssinian Ground Hornbill | Bucorvus abyssinicus |
| Abyssinian Lovebird | Agapornis taranta |
| Acadian Flycatcher | Empidonax virescens |
| Acorn Woodpecker | Melanerpes formicivorus |
| Adelaide Rosella | Platycercus adelaidae |
| Adelie Penguin | Pygoscelis adeliae |
| Adjutant Stork | Leptoptilos javanicus |
| African Crowned Eagle | Stephanoaetus coronatus |
| African Eagle Owl | Bubo africanus |
| African Fishing Eagle | Haliaeetus vocifer |
| African Golden Oriole | Oriolus auratus |
| African Green-Pigeon | Treron australis calva |
| African Jacana | Actophilornis africanus |
| African Penguin | Spheniscus demersus |
| African Pied Crow | Corvus albus |
| African Pygmy Falcon | Polihierax semitorquatus |
| African Ring-necked Parakeet | Psittacula krameri |
| African Shoebill | Balaeniceps rex |
| African Spoonbill | Platalea alba |
| African Spotted Eagle Owl | Bubo africanus |
| African Spotted Owl | Bubo africanus |
| African White-backed Vulture | Gyps bengalensis africanus |
| African White-backed Vulture | Gyps africanus |
| African Wood Owl | Strix leptogrammica |
| African Wood Owl | Strix woodfordii |
| Akiapola`au | Hemignathus munroi |
| Alder Flycatcher | Empidonax alnorum |
| Aleutian Tern | Sterna aleutica |
| Alexandra's Parakeet | Polytelis alexandrae |
| Alexandrine Parakeet | Psittacula eupatria |
| Allen's Hummingbird | Selasphorus sasin |
| Altamira Oriole | Icterus gularis |
| Alti Saker Falcon | Falco cherrug |
| Amazonian Umbrella Bird | Cephalopterus ornatus |
| Amboina King Parrot | Alisterus amboinensis amboinensis |
| American Avocet | Recurvirostra americana |
| American Bittern | Botaurus lentiginosus |
| American Black Duck | Anas rubripes |
| American Black Vulture | Coragyps atratus |
| American Coot | Fulica americana |
| American Crow | Corvus brachyrhynchos |
| American Dipper | Cinclus mexicanus |
| American Flamingo | Phoenicopterus ruber ruber |
| American Golden-Plover | Pluvialis dominica |
| American Goldfinch | Carduelis tristis |
| American Kestrel | Falco sparverius |
| American Kestrel | Falco sparverius |
| American Oystercatcher | Haematopus palliatus |
| American Pipit | Anthus rubescens |
| American Redstart | Setophaga ruticilla |
| American Robin | Turdus migratorius |
| American Tree Sparrow | Spizella arborea |
| American White Pelican | Pelecanus erythrorhynchos |
| American White Pelican | Pelecanus erythrorhynchos |
| American Wigeon | Anas americana |
| American Woodcock | Scolopax minor |
| Ancient Murrelet | Synthliboramphus antiquus |
| Andaman Island Parakeet | Psittacula eupatria magnirostris |
| Andean Guan | Penelope montagnii |
| Andean Parakeet | Bolborhynchus obygnesius |
| Andean Tinamou | Nothoprocta pentlandii |
| Anhinga | Anhinga anhinga |
| Anna's Hummingbird | Calypte anna |
| Antillean Nighthawk | Chordeiles gundlachii |
| Antillean Palm-Swift | Tachornis phoenicobia |
| Aplomado Falcon | Falco femoralis |
| Arctic Loon | Gavia arctica |
| Arctic Tern | Sterna paradisaea |
| Arctic Warbler | Phylloscopus borealis |
| Arfak Lory | Oreopsittacus arfaki arfaki |
| Argentina Conure | Pyrrhura molinae australis |
| Aru Red-sided Eclectus Parrot | Eclectus roratus aruensis |
| Aruba Conure | Aratinga pertinax arubensis |
| Ashey-faced Barn Owl | Tyto glaucops |
| Ash-throated Flycatcher | Myiarchus cinerascens |
| Ashy Storm-Petrel | Oceanodroma homochroa |
| Asian Brown Flycatcher | Muscicapa dauurica |
| Asian Fish Owl | Ketupa ketupa |
| Asian Wood Owl | Strix leptogrammica |
| Atlantic Puffin | Fratercula arctica arctica |
| Atlantic Puffin | Fratercula arctica |
| Attwater's greater Prairie-chicken | Tympanuchus cupido attwateri |
| Audubon's crested Caracara | Polyborus plancus audubonii |
| Audubon's Oriole | Icterus graduacauda |
| Audubon's Shearwater | Puffinus lherminieri |
| Augur Buzzard | Buteo rufofusceus augur |
| Austen's Laughing Thrush | Garrulax galbanus |
| Austral Conure | Enicognathus ferrugineus ferrugineus |
| Austral Parakeet | Enicognathus ferrugineus |
| Australasian Magpie | Gymnorhina tibicen |
| Australian Black Swan | Cygnus atratus |
| Australian King Parrot | Alisterus scapularis |
| Australian Magpie | Gymnorhina tibicen |
| Australian-crested Dove | Ocyphaps lophotes |
| Avocet | Recurvirostra avosetta |
| Aymara Parakeet | Psilopsiagon aymara |
| Aztec Conure | Aratinga nana astec |
| Aztec Thrush | Ridgwayia pinicola |
| Azure Gallinule | Porphyrula flavirostris |
| Azure-winged Magpie | Cyanopica cyana |
| Bachman's Sparrow | Aimophila aestivalis |
| Bachman's Warbler | Vermivora bachmanii |
| Bahama Mockingbird | Mimus gundlachii |
| Bahama Pintail | Anas bahamensis |
| Bahama Swallow | Tachycineta cyaneoviridis |
| Bahama Woodstar | Calliphlox evelynae |
| Baikal Teal | Anas formosa |
| Baird's Sandpiper | Calidris bairdii |
| Baird's Sparrow | Ammodramus bairdii |
| bald Eagle | Haliaeetus leucocephalus |
| Bald Eagle | Haliaeetus albicilla leucocephalus |
| Bald Eagle | Haliaeetus leucocephalus |
| Bald Ibis | Geronticus eremita calvus |
| Bali Mynah | Leucopsar rothschildi |
| Bali Starling | Leucopsar rothschildi |
| Baltimore Oriole | Icterus galbula |
| Bananaquit | Coereba flaveola |
| Band-bellied Owl | Pulsatrix melanota melanota |
| Banded Aracari | Pteroglossus torquatus pluricinctus |
| Band-rumped Storm-Petrel | Oceanodroma castro |
| Band-tailed Gull | Larus belcheri |
| Band-tailed Pigeon | Columba fasciata fasciata |
| Band-tailed Pigeon | Columba fasciata |
| Bank Mynah Bird | Acridotheres ginginianus |
| Bank Swallow | Riparia riparia |
| Barbary Falcon | Falco peregrinus peligrinoides |
| Bare-eyed Cockatoo | Cacatua sanguinea sanguinea |
| Bare-eyed Corella | Cacatua pastinator pastinator |
| Bare-eyed Ground-Dove | Metriopelia morenoi |
| Bare-eyed Pigeon | Columba corensis |
| Bare-faced Curassow | Crax rubra fasiolata |
| Bare-faced Go-away Bird | Corythaixoides personata personata |
| Bare-faced Ground-Dove | Metriopelia ceciliae |
| Bar-headed Goose | Anser indicus |
| Barn Owl | Tyto alba |
| Barn Owl | Tyto alba |
| Barn Swallow | Hirundo rustica |
| Barnacle Goose | Branta leucopsis |
| Barnacle Goose | Branta leucopsis |
| Barnard's Parakeet | Barnardius barnardi |
| Barraband Parakeet | Polytelis swainsonii |
| Barraband's Parrot | Pionopsitta barrabandi |
| Barred Cuckoo-Dove | Macropygia unchall |
| Barred Owl | Strix varia varia |
| Barred Owl | Strix varia |
| Barred Parakeet | Bolborhynchus lineola tigrinus |
| Barrow's Goldeneye | Bucephala islandica |
| Bar-tailed Godwit | Limosa lapponica |
| Bartletts Bleeding Heart Dove | Gallicolumba bartletti |
| Bay-breasted Warbler | Dendroica castanea |
| Bay-headed Tanager | Tangara gyrola |
| Bean Goose | Anser fabalis |
| Bearded Barbet | Lybius dubius dubius |
| Bearded Vulture | Guaetus barbatus |
| Bee Bee Parrot | Brotogeris jugularis |
| Belize Yellow-headed Amazon | Amazona oratrix belizensis |
| Bell Magpie | Gymnorhina tibicen |
| Bell's Vireo | Vireo bellii |
| Belted Kingfisher | Megaceryle alcyon |
| Belted Kingfisher | Ceryle alcyon |
| Bendire's Thrasher | Toxostoma bendirei |
| Bengal Eagle Owl | Bubo bubo bengalensis |
| Berlepsch's Conure | Pyrrhura melanura berlepschi |
| Bernier's Teal | Anas bernieri |
| Bernstein's Lory | Chalcopsitta atra bersteini |
| Berylline Hummingbird | Amazilia beryllina |
| Beryl-spangled Tanager | Tangara nigroviridis |
| Bewick's Wren | Thryomanes bewickii |
| Biak Red Lory | Eos histrio cyanogenia |
| Bicknell's Thrush | Catharus bicknelli |
| Bird of Paradise | Cicinnurus regius |
| Black Catbird | Melanoptila glabrirostris |
| Black Crake | Amaurornis flavirostris |
| Black Curassow | Crax rubra alector |
| Black Eagle | Aquila verreaux |
| Black Guillemot | Cepphus grylle |
| Black Guillemot | Cepphus grylle |
| Black Lory | Chalcopsitta atra atra |
| Black Noddy | Anous minutus |
| Black Oystercatcher | Haematopus bachmani |
| Black Parrot | Coracopsis nigra |
| Black Phoebe | Sayornis nigricans |
| Black Rail | Laterallus jamaicensis |
| Black Rosy-Finch | Leucosticte atrata |
| Black Scoter | Melanitta nigra |
| Black Skimmer | Rynchops niger |
| Black Sparrow Hawk | Accipiter melanoleucus |
| Black Stork | Ciconia nigra |
| Black Storm-Petrel | Oceanodroma melania |
| Black Swan | Cygnus atratus |
| Black Swift | Cypseloides niger |
| Black Tern | Chlidonias niger |
| Black Thrush | Turdus infuscatus |
| Black Turnstone | Arenaria melanocephala |
| Black Vulture | Aegypius monachus |
| Black Vulture | Coragyps atratus |
| Black Vulture | Coragyps atratus |
| Black-and-white Warbler | Mniotilta varia |
| Black-backed Magpie | Gymnorhina tibicen |
| Black-backed Wagtail | Motacilla lugens |
| Black-backed Woodpecker | Picoides arcticus |
| Black-Banded Owl | Strix huhula |
| Black-bellied Plover | Pluvialis squatarola |
| Black-bellied Whistling Duck | Dendrocygna autumnalis |
| Black-bellied Whistling-Duck | Dendrocygna autumnalis |
| Black-billed Amazon | Amazona agilis |
| Black-billed Cuckoo | Coccyzus erythropthalmus |
| Black-billed Magpie | Pica pica |
| Black-billed Magpie (American) | Pica hudsonia |
| Black-billed Magpie (Eurasian) | Pica pica |
| Black-billed Mountain Toucan | Andigena hypoglauca nigrirostris |
| Black-billed Touraco | Tauraco schuetti |
| Black-billed Wood-Dove | Turtur abyssinicus |
| Black-browed Albatross | Thalassarche melanophris |
| Blackburnian Warbler | Dendroica fusca |
| Black-capped Chickadee | Poecile atricapillus |
| Black-capped Conure | Pyrrhura rupicola rupicola |
| Black-capped Gnatcatcher | Polioptila nigriceps |
| Black-capped Lory | Lorius lory lory |
| Black-capped Petrel | Pterodroma hasitata |
| black-capped Vireo | Vireo atricapilla |
| Black-capped Vireo | Vireo atricapillus |
| Black-capped Waxbill | Krimhilda nonnula |
| Black-casqued Hornbill | Ceratogymna atrata |
| Black-cheeked Lovebird | Agapornis personata nigrigensis |
| Black-cheeked Waxbill | Estrilda erythronotos |
| Black-chested Buzzard-Eagle | Geranoaetus melanoleucus |
| Black-chinned Hummingbird | Archilochus alexandri |
| Black-chinned Sparrow | Spizella atrogularis |
| Black-collared Barbet | Lybius torquatus |
| Black-collared Lovebird | Agapornis swindernianus |
| Black-crowned Night Heron | Nycticorax nycticorax nycticorax |
| Black-crowned Night-Heron | Nycticorax nycticorax |
| Black-crowned Pitta | Pitta granatina venusta |
| Black-eared Parrot | Hapalopsittaca melanotis |
| Black-eared Parrotlet | Touit melanonotus |
| Black-faced Grassquit | Tiaris bicolor |
| Black-faced Lory | Trichoglossus haematodus intermedius |
| Black-faced Lovebird | Agapornis taranta |
| Black-faced Spoonbill | Platalea minor |
| Black-footed Albatross | Phoebastria nigripes |
| Black-footed Penguin | Spheniscus demersus |
| Black-fronted Piping Guan | Pipile jucutinga |
| Black-headed Caique | Pionites melanocephala melanocephala |
| Black-headed Grosbeak | Pheucticus melanocephalus |
| Black-headed Gull | Larus ridibundus |
| Black-headed Sibia | Heterophasia melanoleuca |
| Black-legged Kittiwake | Rissa tridactyla |
| Black-lored Parrot | Tanygnathus gramineus |
| Black-mandibled Toucan | Ramphastos ambiguus ambiguus |
| Black-masked Lovebird | Agapornis personata nigrigenis |
| Black-necked Aracari | Pteroglossus aracari |
| Black-necked Crane | Grus nigricollis |
| Black-necked Stilt | Himantopus mexicanus |
| Black-necked Stilt | Himantopus mexicanus |
| Black-necked Stork | Ephippiorhynchus asiaticus |
| Black-necked Swan | Cygnus melanocorypha |
| Blackpoll Warbler | Dendroica striata |
| Black-shouldered Aracari | Pteroglossus aracari aracari |
| Blacksmith Plover | Vanellus armatus |
| Black-tailed Conure | Pyrrhura melanura |
| Black-tailed Gnatcatcher | Polioptila melanura |
| Black-tailed Godwit | Limosa limosa |
| Black-tailed Gull | Larus crassirostris |
| Black-throated Blue Warbler | Dendroica caerulescens |
| Black-throated Gray Warbler | Dendroica nigrescens |
| Black-throated Green Warbler | Dendroica virens |
| Black-throated Laughing Thrush | Garrulax chinensis chinensis |
| Black-throated Magpie Jay | Calocitta formosa colliei |
| Black-throated Nun Finch | Lonchura kelaarti |
| Black-throated Sparrow | Amphispiza bilineata |
| Black-vented Oriole | Icterus wagleri |
| Black-vented Shearwater | Puffinus opisthomelas |
| Black-whiskered Vireo | Vireo altiloquus |
| Black-winged Ground-Dove | Metriopelia melanoptera |
| Black-winged Lory | Eos cyanogenia |
| Black-winged Lovebird | Agapornis taranta |
| Black-winged Parrot | Hapalopsittaca melanotis |
| Black-winged Stilt | Himantopus himantopus |
| Black-winged Stilt | Himantopus himantopus |
| Blaze-winged Conure | Pyrrhura devillei |
| Blood-eared Conure | Pyrrhura hoematotis |
| Blossom-headed Parakeet | Psittacula roseata |
| Blue & Gold Macaw | Ara ararauna |
| Blue Bird | Sialia sialis |
| Blue Bunting | Cyanocompsa parellina |
| Blue Grosbeak | Guiraca caerulea |
| Blue Grouse | Dendragapus obscurus |
| Blue Jay | Cyanocitta cristata |
| Blue Jay | Cyanocitta cristata |
| Blue Magpie | Erythrorhyncha urocissa |
| Blue Mockingbird | Melanotis caerulescens |
| Blue Moorhen | Gallinula chloropus |
| Blue Mountain Lory | Trichoglossus haematodus moluccanus |
| Blue Quaker Parrot | Myiopsitta monachus monachus |
| Blue Tit | Parus caeruleus |
| Blue Whistling Thrush | Myiophonus caeruleus caeruleus |
| Blue-backed Parrot | Tanygnathus sumatranus |
| Blue-bellied Roller | Coracias cyanogaster |
| Blue-bonnet | Northiella haematogaster |
| Blue-bonnet Parakeet | Psephotus haematogaster |
| Blue-breasted Kingfisher | Halcyon malimbica |
| Blue-cheeked Amazon | Amazona dufresniana dufresniana |
| Blue-cheeked Lory | Eos histrio cyanogenia |
| Blue-collared Parrot | Geoffroyus simplex |
| Blue-crowned Amazon | Amazona farinosa guatemalae |
| Blue-crowned Barbet | Megalaima armillaris armillaris |
| Blue-crowned Conure | Aratinga acuticaudata acuticaudata |
| Blue-crowned Hanging Parrot | Loriculus galgulus |
| Blue-crowned Lorikeet | Vini australis |
| Blue-crowned Motmot | Momotus momota |
| Blue-crowned Pigeon | Goura cristata |
| Blue-crowned Racquet-tail | Prioniturus discurus discurus |
| Blue-eared Lorikeet | Charmosyna placentis |
| Blue-eared Lory | Eos semilarvata |
| Blue-eared Pheasant | Crossoptilon auritum |
| Blue-eyed Cockatoo | Cacatua ophthalmica |
| Blue-faced Fig Parrot | Cyclopsitta diophthalma |
| Blue-faced Honeyeater | Entomyzon cyanotis |
| Blue-faced Parrot Finch | Erythrura tricolor tricolor |
| Blue-footed Booby | Sula nebouxii |
| Blue-fronted Amazon | Amazona aestiva aestiva |
| Blue-fronted Lorikeet | Charmosyna toxopei |
| Blue-fronted Parrotlet | Touit dilectissima |
| Blue-gray Gnatcatcher | Polioptila caerulea |
| Blue-Grey Tanager | Thraupis episcopus |
| Blue-headed Macaw | Ara couloni |
| Blue-headed Pionus | Pionus menstruus menstruus |
| Blue-headed Racquet-tail | Prioniturus platenae platenae |
| Blue-headed Rainbow Lory | Trichoglossus haematodus caeruleiceps |
| Blue-headed Vireo | Vireo solitarius |
| Blue-margined Parakeet | Brotogeris chrysopterus gustavi |
| Blue-masked Lovebird | Agapornis personata |
| Blue-naped Mousebird | Urocolius macrourus macrourus |
| Blue-naped Parrot | Tanygnathus lucionensis |
| Blue-necked Tanager | Tangara cyanicollis |
| Blue-rumped Parrot | Psittinus cyanurus |
| Blue-rumped Parrotlet | Forpus cyanopygius |
| Blue-spotted Wood-Dove | Turtur afer |
| Blue-streaked Lory | Eos reticulata |
| Blue-tailed Lory | Eos histrio |
| Blue-thighed Lory | Lorius tibialis |
| Bluethroat | Luscinia svecica |
| Blue-throated Barbet | Megalaima asiatica asiatica |
| Blue-throated Conure | Pyrrhura cruentata |
| Blue-throated Hummingbird | Lampornis clemenciae |
| Blue-throated Macaw | Ara glaucogularis |
| Blue-throated Piping Guan | Pipile pipile cumanensis |
| Blue-winged Conure | Pyrrhura picta |
| Blue-winged Grass Parakeet | Neophema chrysostoma chrysostoma |
| Blue-winged Leafbird | Chloropsis cochinchinensis |
| Blue-winged Minla | Minla cyanouroptera |
| Blue-winged Mountain Tanager | Anisognathus somptuosus |
| Blue-winged Parakeet | Psittacula columboides |
| Blue-winged Parrot | Neophema chrysostoma |
| Blue-winged Parrotlet | Forpus passerinus |
| Blue-winged Racquet-tail | Prioniturus discurus verticalis |
| Blue-winged Teal | Anas discors |
| Blue-winged Warbler | Vermivora pinus |
| Blyth's Parakeet | Psittacula caniceps |
| Blyth's Tragopan | Tragopan blythi |
| Boat-billed Heron | Cochlearius cochlearius |
| Boat-tailed Grackle | Quiscalus major |
| Bobolink | Dolichonyx oryzivorus |
| Bodin's Amazon | Amazona festiva bodini |
| Boehm's Barbet | Trachyphonus darnaudii |
| Bohemian Waxwing | Bombycilla garrulus |
| Bohemian Waxwing | Bombycilla garrulus |
| Bolivian Blue-fronted Amazon | Amazona aestiva xanthopteryx |
| Bonaire Conure | Aratinga pertinax xanthogenia |
| Bonaparte's Gull | Larus philadelphia |
| Bonellis Eagle | Hieraaetus fasciatus |
| Boobook Owl | Ninox novaeseelandiae |
| Boreal Chickadee | Poecile hudsonicus |
| Boreal Owl | Aegolius funereus |
| Boreal Owl | Aegolius funereus |
| Botteri's Sparrow | Aimophila botterii |
| Bourke's Parakeet | Neophema bourkii |
| Brambling | Fringilla montifringilla |
| Brandt's Cormorant | Phalacrocorax penicillatus |
| Brant | Branta bernicla |
| Brazilian Cardinal | Paroaria coronata |
| Brazilian Grey-breasted Conure | Pyrrhura leucotis griseipectus |
| Brent Goose | Branta bernicla |
| Brewer's Blackbird | Euphagus cyanocephalus |
| Brewer's Sparrow | Spizella breweri |
| Bridled Quail-Dove | Geotrygon mystacea |
| Bridled Tern | Sterna anaethetus |
| Bridled Titmouse | Baeolophus wollweberi |
| bridled White-eye | Zosterops conspicillatus conspicillatus |
| Bristle-thighed Curlew | Numenius tahitiensis |
| Broad-billed Hummingbird | Cynanthus latirostris |
| Broad-billed Sandpiper | Limicola falcinellus |
| Broad-tailed Hawk | Buteo jamaicensis |
| Broad-tailed Hummingbird | Selasphorus platycercus |
| Broad-winged Hawk | Buteo platypterus |
| Broad-winged Hawk | Buteo platypterus |
| Bronzed Cowbird | Molothrus aeneus |
| Bronze-winged Pionus | Pionus chalcopterus |
| Brotogeris Parakeet | Brotogeris |
| Brown Booby | Sula leucogaster |
| Brown Creeper | Certhia americana |
| Brown Fish Owl | Ketupa zeylonensis |
| Brown Jay | Cyanocorax morio |
| Brown Kiwi | Apterix australis |
| Brown Lory | Chalcopsitta atra duivenbodei |
| Brown Noddy | Anous stolidus |
| Brown Parrot | Poicephalus meyeri meyeri |
| brown Pelican | Pelecanus occidentalis |
| Brown Pelican | Pelecanus occidentalis occidentalis |
| Brown Pelican | Pelecanus occidentalis |
| Brown Shrike | Lanius cristatus |
| Brown Thrasher | Toxostoma rufum |
| Brown Violet-Ear | Colibri delphinae |
| Brown Wood Owl | Strix leptogrammica |
| Brown-backed Conure | Pyrrhura calliptera |
| Brown-backed Parrotlet | Touit melanonotus |
| Brown-breasted Conure | Pyrrhura calliptera |
| Brown-capped Rosy-Finch | Leucosticte australis |
| Brown-chested Martin | Progne tapera |
| Brown-crested Flycatcher | Myiarchus tyrannulus |
| Brown-eared Conure | Aratinga pertinax ocularis |
| Brown-headed Cowbird | Molothrus ater |
| Brown-headed Cowbird | Molothrus ater |
| Brown-headed Nuthatch | Sitta pusilla |
| Brown-headed Parrot | Poicephalus cryptoxanthus |
| Brown-hooded Parrot | Pionopsitta haematotis haematotis |
| Brown-necked Parrot | Poicephalus fuscicollis fuscicollis |
| Brown-necked Raven | Corvus ruficollic |
| Brown's Rosella | Platycercus venustus |
| Brown-throated Conure | Aratinga pertinax aeruginosa |
| Bruce's Green Pigeon | Treron waalia |
| Budgerigar | Melopsittacus undulatus |
| Budgerigar | Melopsittacus undulatus |
| Buffalo Weaver | |
| Buff-bellied Hummingbird | Amazilia yucatanensis |
| Buff-breasted Flycatcher | Empidonax fulvifrons |
| Buff-breasted Sandpiper | Tryngites subruficollis |
| Buff-collared Nightjar | Caprimulgus ridgwayi |
| Buff-crested Bustard | Eupodotis gindiana |
| Bufflehead | Bucephala albeola |
| Buffon's Macaw | Ara ambigua ambigua |
| Buffon's Touraco | Tauraco corythaix buffoni |
| Buffon's/Blue & Gold Macaw | Ara ambigua ambigua/ararauna |
| Buller's Shearwater | Puffinus bulleri |
| BullFinch | Aythya nyroca |
| Bullock's Oriole | Icterus bullockii |
| Bumblebee Hummingbird | Atthis heloisa |
| Burmese Turtle-Dove | Streptopelia orientalis |
| Burrowing Conure | Cyanoliseus patagonus |
| Burrowing Owl | Speotyto cunicularia |
| Burrowing Owl | Athene cunicularia |
| Buru Island King Parrot | Alisterus amboinensis buruensis |
| Buru Lorikeet | Charmosyna toxopei |
| Buru Racquet-tail | Prioniturus platurus mada |
| Buru Red Lory | Eos bornea cyanonothus |
| Bushtit | Psaltriparus minimus |
| Bushy-crested Jay | Cyanocorax melanocyaneus |
| Caatinga Conure | Aratinga pertinax cactorum |
| Cabot's Tragopan | Tragopan caboti |
| Cactus Conure | Aratinga cactorum |
| cactus ferruginous Pygmy-owl | Glaucidium brasilianum cactorum |
| Cactus Wren | Campylorhynchus brunneicapillus |
| Cactus Wren | Campylorhynchus brunneicapillus |
| Cahow | Pterodroma cahow |
| Caica Parrot | Pionopsitta caica |
| Calico Macaw | Ara militaris militaris/chloroptera |
| California clapper Rail | Rallus longirostris obsoletus |
| California Condor | Gymnogyps californianus |
| California Condor | Gymnogyps californianus |
| California Gnatcatcher | Polioptila californica |
| California Gull | Larus californicus |
| California least Tern | Sterna antillarum browni |
| California Quail | Callipepla californica |
| California Thrasher | Toxostoma redivivum |
| California Towhee | Pipilo crissalis |
| Calliope Hummingbird | Stellula calliope |
| Caloshua Macaw | Ara ararauna/Anodorhynchus hyacinthinus |
| Camelot Macaw | Ara macao/Ara macao/ararauna |
| Cameroon African Grey | Psittacus erithacus princeps |
| Canada Goose | Branta canadensis |
| Canada Warbler | Wilsonia canadensis |
| Canadian Goose | Branta canadensis |
| Canadian Great Horned Owl | Bubo virginianus |
| Canary-winged Parakeet | Brotogeris versicolurus chiriri |
| Caninde Macaw | Ara glaucogularis |
| Canvasback | Aythya valisineria |
| Canvas-backed Duck | Aythya valisineria |
| Canyon Towhee | Pipilo fuscus |
| Canyon Wren | Catherpes mexicanus |
| Cape Barren Goose | Cereopsis novaehollandiae |
| Cape May Warbler | Dendroica tigrina |
| Cape Parrot | Poicephalus robustus robustus |
| Cape Sable seaside Sparrow | Ammodramus maritimus mirabilis |
| Cardinal Lory | Chalcopsitta cardinalis |
| Caribbean Conure | Aratinga pertinax pertinax |
| Caribbean Elaenia | Elaenia martinica |
| Caribbean Flamingo | Phoenicopterus ruber ruber |
| Carmine Bee-eater | Merops nubicus nubicus |
| Carolina Chickadee | Poecile carolinensis |
| Carolina Parakeet | Conuropsis carolinensis |
| Carolina Wren | Thryothorus ludovicianus |
| Carribean Parakeet | Aratinga pertinax pertinax |
| Carriker's Conure | Aratinga wagleri minor |
| Carrion Crow | Corvus corone |
| Caspian Tern | Sterna caspia |
| Caspian Tern | Sterna caspia |
| Cassin's Auklet | Ptychoramphus aleuticus |
| Cassin's Finch | Carpodacus cassinii |
| Cassin's Kingbird | Tyrannus vociferans |
| Cassin's Sparrow | Aimophila cassinii |
| Cassin's Vireo | Vireo cassinii |
| Catalina Macaw | Ara macao/ararauna |
| Cattle Egret | Bubulcus ibis |
| Cattle Egret | Bubulcus ibis |
| Cave Swallow | Petrochelidon fulva |
| Cedar Waxwing | Bombycilla cedrorum |
| Celebes Hanging Parrot | Loriculus stigmatus stigmatus |
| Celebes Quail-Dove | Gallicolumba tristigmata |
| Celestial Parrotlet | Forpus coelestis |
| Ceram Lory | Eos semilarvata |
| Cerulean Warbler | Dendroica cerulea |
| Ceylon Hanging Parrot | Loriculus beryllinus beryllinus |
| Chaco Chacalaca | Ortalis canicollis |
| Chaffinch | Fringilla coelebs |
| Channel-billed Toucan | Ramphastos dicolorus vitellinus |
| Channel-billed Toucan | Ramphastos vitellinus vitellinus |
| Chapman's Conure | Aratinga mitrata alticola |
| Chapman's Mealy Amazon | Amazona farinosa chapmani |
| Chattering Lory | Lorius garrulus garrulus |
| Cherry-headed Conure | Aratinga erythrogenys |
| Cherry-headed/Mitred Conure | Aratinga erythrogenys/mitrata mitrata |
| Chestnut Manakin | Lonchura malacca |
| Chestnut-backed Chickadee | Poecile rufescens |
| Chestnut-backed Scimitar Babbler | Pomatorhinus montanus |
| Chestnut-backed Thrush | Zoothera dohertyi |
| Chestnut-bellied Imperial-Pigeon | Ducula brenchleyi |
| Chestnut-breasted Manakin | Lonchura castaneothorax |
| Chestnut-capped Thrush | Garrulax mitratus |
| Chestnut-collared Longspur | Calcarius ornatus |
| Chestnut-eared Aracari | Pteroglossus aracari castanotis |
| Chestnut-fronted Macaw | Ara severa severa |
| Chestnut-mandibled Toucan | Ramphastos swainsonii |
| Chestnut-sided Warbler | Dendroica pensylvanica |
| Chicken | Gallus gallus gallus |
| Chihuahuan Raven | Corvus cryptoleucus |
| Chilean Flamingo | Phoenicopterus ruber chilensis |
| Chilean Tinamou | Nothoprocta perdicaria perdicaria |
| Chimney Swift | Chaetura pelagica |
| Chinese Babax | Babax lanceolatus |
| Chinese Egret | Egretta eulophotes |
| Chinese Eurasian Eagle Owl | Bubo bubo swinhoei |
| Chinese Goose | Anser cygnoides |
| Chinstrap Penguin | Pygoscelis antarctica |
| Chipping Sparrow | Spizella passerina |
| Chiriqui Conure | Pyrrhura hoffmani gaudens |
| Choco Toucan | Ramphastos dicolorus brevis |
| Chopi Blackbird | Gnorimopsar chopi |
| Chuck-will's-widow | Caprimulgus carolinensis |
| Chukar | Alectoris chukar |
| Cinereous Finch | Piezorhina cinerea |
| Cinereous Vulture | Aegypius monachus |
| Cinnamon Hummingbird | Amazilia rutila |
| Cinnamon Teal | Anas cyanoptera |
| Cinnamon Teal | Anas cyanoptera |
| Citrine Wagtail | Motacilla citreola |
| Citron Throated Toucan | Ramphastos dicolorus citreolaemus |
| Citron-crested Cockatoo | Cacatua sulphurea citrino-cristata |
| Clapper Rail | Rallus longirostris |
| Clark's Grebe | Aechmophorus clarkii |
| Clark's Nutcracker | Nucifraga columbiana |
| Clay-colored Robin | Turdus grayi |
| Clay-colored Sparrow | Spizella pallida |
| Cliff Swallow | Petrochelidon pyrrhonota |
| Cloncurry Parakeet | Barnardius barnardi macgillivrayi |
| coastal California Gnatcatcher | Polioptila californica californica |
| Cobalt-winged Parakeet | Brotogeris chrysopterus cyanoptera |
| Cockatiel | Nymphicus hollandicus |
| Colima Warbler | Vermivora crissalis |
| Collared Aracari | Pteroglossus torquatus torquatus |
| Collared Finchbill | Spizixos semitorques |
| Collared Forest-Falcon | Micrastur semitorquatus |
| Collared Lory | Phigys solitarius |
| Collared Plover | Charadrius collaris |
| Collared Scops Owl | Otus bakkamoena lempiji |
| Collie's Magpie Jay | Calocitta formosa colliei |
| Common Babbler | Turdoides caudatus |
| Common Black-Hawk | Buteogallus anthracinus |
| Common Buzzard | Buteo buteo |
| Common Caracara | Polyborus plancus |
| Common Chaffinch | Fringilla coelebs |
| Common Chough | Pyrrhocorax pyrrhocorax |
| Common Crane | Grus grus |
| Common Crane | Grus grus |
| Common Cuckoo | Cuculus canorus |
| Common Eider | Somateria mollissima |
| Common Goldeneye | Bucephala clangula |
| Common Grackle | Quiscalus quiscula |
| Common Greenshank | Tringa nebularia |
| Common Ground-Dove | Columbina passerina |
| Common Hoopoe | Upupa epops epops |
| Common House-Martin | Delichon urbica |
| Common Loon | Gavia immer |
| Common Merganser | Mergus merganser |
| Common Moorhen | Gallinula chloropus |
| Common Murre | Uria aalge |
| Common Murre | Uria aalge |
| Common Nighthawk | Chordeiles minor |
| Common Parrotlet | Forpus passerinus |
| Common Pauraque | Nyctidromus albicollis |
| Common Peafowl | Pavo cristatus |
| Common Piping Guan | Pipile pipile pipile |
| Common Pochard | Aythya ferina |
| Common Poorwill | Phalaenoptilus nuttallii |
| Common Puffin | Fratercula artica artica |
| Common Raven | Corvus corax |
| Common Raven | Corvus corax |
| Common Redpoll | Carduelis flammea |
| Common Ringed Plover | Charadrius hiaticula |
| Common Rosefinch | Carpodacus erythrinus |
| Common Sandpiper | Actitis hypoleucos |
| Common Snipe | Gallinago gallinago |
| Common Starling | Sturnus vulgaris vulgaris |
| Common Swift | Apus apus |
| Common Tern | Sterna hirundo |
| Common Tern | Sterna hirundo |
| Common Trumpeter | Psophia crepitans crepitans |
| Common Wood-Pigeon | Columba palumbus |
| Common Yellowthroat | Geothlypis trichas |
| Congo African Grey | Psittacus erithacus erithacus |
| Connecticut Warbler | Oporornis agilis |
| Cook's Petrel | Pterodroma cookii |
| Cooper's Hawk | Accipiter cooperii |
| Cooper's Hawk | Accipiter cooperii |
| Coral-billed Pionus | Pionus sordidus corallinus |
| Cordilleran Conure | Aratinga wagleri frontata |
| Cordilleran Flycatcher | Empidonax occidentalis |
| Corn Crake | Crex crex |
| Corn Crake | Crex crex |
| Cornelia's Eclectus Parrot | Eclectus roratus cornelia |
| Cory's Shearwater | Calonectris diomedea |
| Costa Rica Mealy Amazon | Amazona farinosa virenticeps |
| Costa's Hummingbird | Calypte costae |
| Couch's Kingbird | Tyrannus couchii |
| Crane Hawk | Geranospiza caerulescens |
| Craveri's Murrelet | Synthliboramphus craveri |
| Crescent-chested Warbler | Parula superciliosa |
| Crested Auklet | Aethia cristatella |
| Crested Auklet | Aethia cristatella |
| Crested Caracara | Polyborus plancus |
| Crested Caracara | Caracara plancus |
| Crested Coua | Coua cristata |
| Crested Cuckoo-Dove | Reinwardtoena crassirostris |
| Crested Guan | Penelope obscura purpurascens |
| Crested Guineafowl | Guttera pucherani edouardi |
| Crested Guineafowl | Guttera puchetani |
| crested Honeycreeper | Palmeria dolei |
| Crested Myna | Acridotheres cristatellus |
| Crested Oropendola | Psarocolius decumanus |
| Crested Owl | Lophostrix cristata |
| Crested Screamer | Chauna torquata |
| Crested Tinamou | Eudromia elegans |
| Crimson Rosella | Platycercus elegans elegans |
| Crimson-bellied Conure | Pyrrhura rhodogaster |
| Crimson-breasted Shrike | Laniarius atrococcineus |
| Crimson-collared Grosbeak | Rhodothraupis celaeno |
| Crimson-fronted Conure | Aratinga leucophthalmus finschi |
| Crimson-winged Parakeet | Aprosmictus erythropterus |
| Crissal Thrasher | Toxostoma crissale |
| Crowned Crane | Balearica pavonina |
| Crowned Hornbill | Tockus alboterminatus |
| Crowned Plover | Vanellus coronatus |
| Cuban Amazon | Amazona leucocephala |
| Cuban Bullfinch | Melopyrrha nigra |
| Cuban Conure | Aratinga euops euops |
| Cuban Martin | Progne cryptoleuca |
| Curl-crested Aracari | Pteroglossus beauharnaesii |
| Curlew Sandpiper | Calidris ferruginea |
| Curve-billed Thrasher | Toxostoma curvirostre |
| Cuvier's Toucan | Ramphastos tucanus cuvieri |
| Dalmatian Pelican | Pelecanus crispus |
| Dark-eyed Junco | Junco hyemalis |
| Dark-throated Lory | Trichoglossus haematodus nigrogularis |
| D'Arnaud's Barbet | Trachyphonus darnaudii |
| Demerara Conure | Pyrrhura egregia egregia |
| Demoiselle Crane | Anthropoides virgo |
| Deplanche's Lorikeet | Trichoglossus haematodus deplanchii |
| Derbyan Parakeet | Psittacula derbiana |
| Desmarest's Fig Parrot | Psittaculirostris desmarestii |
| Diademed Amazon | Amazona autumnalis diadema |
| Diamond Dove | Geopelia cuneata |
| Diamond Sparrow | Emblema guttata |
| Dickcissel | Spiza americana |
| Dollar Bird | Eurystomus orientalis |
| Domestic Pigeon | Columba livia domestica |
| Dominican Amazon | Amazona arausiaca |
| Double Yellow-headed Amazon | Amazona oratrix oratrix |
| Double-crested Cormorant | Phalacrocorax auritus |
| Double-crested Cormorant | Phalacrocorax auritus |
| Double-eyed Fig Parrot | Cyclopsitta diophthalma |
| Double-striped Thick-knee | Burhinus bistriatus |
| Double-tooth Barbet | Lybius bidentatus |
| Dovekie | Alle alle |
| Downy Woodpecker | Picoides pubescens |
| Ducorps's Cockatoo | Cacatua ducorpsii |
| Dufresne's Amazon | Amazona brasiliensis dufresniana |
| Dumonti Mynah | Mino dumontii |
| Dunlin | Calidris alpina |
| Dunnock | Prunella modularis |
| Dusky Conure | Aratinga weddellii |
| Dusky Flycatcher | Empidonax oberholseri |
| Dusky Guan | Penelope obscura obscura |
| Dusky Lory | Pseudeos fuscata |
| Dusky Parrot | Pionus fuscus |
| Dusky Pionus | Pionus fuscus |
| Dusky Thrush | Turdus naumanni |
| Dusky Warbler | Phylloscopus fuscatus |
| Dusky-capped Flycatcher | Myiarchus tuberculifer |
| Dusky-headed Conure | Aratinga weddellii |
| Duyvenbode's Lory | Chalcopsitta duivenbodei duivenbodei |
| Eared Grebe | Podiceps nigricollis |
| Eared Trogon | Euptilotis neoxenus |
| East African Crowned Crane | Balearica pavonina regulorum |
| Eastern Bluebird | Sialia sialis |
| Eastern Kingbird | Tyrannus tyrannus |
| Eastern Long-billed Corella | Cacatua tenuirostris tenuirostris |
| Eastern Meadowlark | Sturnella magna |
| Eastern Phoebe | Sayornis phoebe |
| Eastern Rosella | Platycercus eximius eximius |
| Eastern Screech Owl | Otus asio asio |
| Eastern Screech-Owl | Otus asio |
| Eastern Towhee | Pipilo erythrophthalmus |
| Eastern Wood-Pewee | Contopus virens |
| Echo Parakeet | Psittacula eques |
| Eclectus Parrot | Eclectus roratus |
| Edward's Fig Parrot | Psittaculirostris edwardsii |
| Edward's Lorikeet | Trichoglossus haematodus capistratus |
| Egyptian Goose | Alopochen aegyptiacus |
| Egyptian Plover | |
| Egyptian Vulture | Neophron percnopterus |
| El Oro Conure | Pyrrhura melanura orcesi |
| Elegant Parrot | Neophema elegans |
| Elegant Pitta | Pitta elegans |
| Elegant Tern | Sterna elegans |
| Elegant Trogon | Trogon elegans |
| Elegant-crested Tinamou | Eudromia elegans |
| Eleonora Cockatoo | Cacatua galerita eleonora |
| Eleonora's Falcon | Falco eleonorae |
| Elf Owl | Micrathene whitneyi |
| Emerald Lorikeet | Neopsittacus pullicauda |
| Emerald Lory | Neopsittacus pullicauda |
| Emerald Starling | Lamprotornis iris |
| Emerald Toucanet | Aulacorhynchus prasinus |
| Emerald-spotted Wood-Dove | Turtur chalcospilos |
| Emma's Conure | Pyrrhura leucotis emma |
| Emperor Goose | Chen canagica |
| Emperor Penguin | Aptenodytes forsteri |
| Eskimo Curlew | Numenius borealis |
| Eskimo Curlew | Numenius borealis |
| Eurasian Blackbird | Turdus merula |
| Eurasian Bullfinch | Pyrrhula pyrrhula |
| Eurasian Buzzard | Buteo buteo buteo |
| Eurasian Collared-Dove | Streptopelia decaocto |
| Eurasian Coot | Fulica atra |
| Eurasian Curlew | Numenius arquata |
| Eurasian Curlew | Numenius arquata |
| Eurasian Dotterel | Charadrius morinellus |
| Eurasian Eagle Owl | Bubo bubo bubo |
| Eurasian Griffon | Gyps fulvus |
| Eurasian Hobby | Falco subbuteo |
| Eurasian Hoopoe | Upupa epops |
| Eurasian Jackdaw | Corvus monedula |
| Eurasian Jay | Garrulus glandarius |
| Eurasian Kestrel | Falco tinnunculus |
| Eurasian Kestrel | Falco tinnunculus |
| Eurasian Oystercatcher | Haematopus ostralegus |
| Eurasian Pygmy Owl | Glaucidium passerinum |
| Eurasian Scops Owl | Otus scops scops |
| Eurasian Siskin | Carduelis spinus |
| Eurasian Spoonbill | Platalea leucorodia leucorodia |
| Eurasian Tree Sparrow | Passer montanus |
| Eurasian Wigeon | Anas penelope |
| Eurasian Woodcock | Scolopax rusticola |
| Eurasian Wryneck | Jynx torquilla |
| European Black Vulture | Aegypius monachus |
| European Eagle Owl | Bubo bubo |
| European Flamingo | Phoenicopterus ruber roseus |
| European Gold Finch | Carduelis carduelis |
| European Golden-Plover | Pluvialis apricaria |
| European Goshawk | Accipiter gentilis gentilis |
| European Robin | Erithacus rubecula |
| European Roller | Coracias gariculus |
| European Scops Owl | Otus scops scops |
| European Sparrow Hawk | Accipiter nisus |
| European Starling | Sturnus vulgaris |
| European Stork | Ciconia ciconia |
| European Storm-Petrel | Hydrobates pelagicus |
| European Turtle-Dove | Streptopelia turtur |
| European Turtle-Dove | Streptopelia turtur |
| European Wood-Pigeon | Columba palumbas |
| Evening Grosbeak | Coccothraustes vespertinus |
| Everglade snail Kite | Rostrhamus sociabilis plumbeus |
| Eyebrowed Thrush | Turdus obscurus |
| Eyton's Tree Duck | Dendrocygna eytoni |
| Fairy Bluebird | Irena puella |
| Fairy Lorikeet | Charmosyna pulchella pulchella |
| Falcated Duck | Anas falcata |
| Fan-tailed Warbler | Euthlypis lachrymosa |
| Far Eastern Curlew | Numenius madagascariensis |
| Ferruginous Hawk | Buteo regalis |
| Ferruginous Hawk | Buteo regalis |
| Ferruginous Pygmy Owl | Glaucidium brasilianum |
| Ferruginous Pygmy-Owl | Glaucidium brasilianum |
| Festive Amazon | Amazona festiva festiva |
| Field Sparrow | Spizella pusilla |
| Fieldfare | Turdus pilaris |
| Fieldfare | Turdus pilaris |
| Fiery-shouldered Conure | Pyrrhura egregia |
| Finsch's Amazon | Amazona finschi finschi |
| Finsch's Conure | Aratinga finschi |
| Finsch's Parakeet | Psittacula finschii |
| Fire-tufted Barbet | Psilopogon pyrolophus |
| Fischer's Lovebird | Agapornis personata fischeri |
| Fischer's Touraco | Tauraco fischeri |
| Fish Crow | Corvus ossifragus |
| Fishing Owl | Scotopelia |
| Five-colored Munia | Lonchura quinticolor |
| Five-striped Sparrow | Aimophila quinquestriata |
| Flame Macaw | Ara macao/ararauna/Ara chloroptera |
| Flame-capped Conure | Aratinga auricapilla auricapilla |
| Flame-colored Tanager | Piranga bidentata |
| Flame-winged Conure | Pyrrhura calliptera |
| Flammulated Owl | Otus flammeolus |
| Flesh-footed Shearwater | Puffinus carneipes |
| Florida grasshopper Sparrow | Ammodramus savannarum floridanus |
| Florida scrub Jay | Aphelocoma coerulescens |
| Florida Scrub-Jay | Aphelocoma coerulescens |
| Fork-tailed Flycatcher | Tyrannus savana |
| Fork-tailed Storm-Petrel | Oceanodroma furcata |
| Fork-tailed Swift | Apus pacificus |
| Forsten's Lorikeet | Trichoglossus haematodus forsteni |
| Forster's Caracara | Phalcoboenus australis |
| Forster's Tern | Sterna forsteri |
| Forster's Tern | Sterna forsteri |
| Fox Sparrow | Passerella iliaca |
| Franklin's Gull | Larus pipixcan |
| Fulvous Whistling Duck | Dendrocygna bicolor |
| Fulvous Whistling-Duck | Dendrocygna bicolor |
| Gadwall | Anas strepera |
| Galah | Cacatua roseicapillus |
| Gambel's Quail | Callipepla gambelii |
| Gang Gang Cockatoo | Callocephalon fimbriatum |
| Garganey | Anas querquedula |
| Gentoo Penguin | Pygoscelis papua |
| Germaine's Peacock Pheasant | Polyplectron germaini |
| Giant Wood-Rail | Aramides ypecaha |
| Gila Woodpecker | Melanerpes uropygialis |
| Gilded Flicker | Colaptes chrysoides |
| Glaucous Gull | Larus hyperboreus |
| Glaucous-winged Gull | Larus glaucescens |
| Glossy Ibis | Plegadis falcinellus |
| Glossy Ibis | Plegadis falcinellus |
| Glossy Starling | Lamprotornis |
| Goffin's Cockatoo | Cacatua goffini |
| Gold Coast Touraco | Tauraco persa persa |
| Gold-backed Racquet-tail | Prioniturus platurus platurus |
| Golden Conure | Aratinga guarouba |
| Golden Eagle | Aquila chrysaetus |
| Golden Eagle | Aquila chrysaetos |
| Golden Mynah | Mino anais |
| Golden Pheasant | Chrysolophus pictus |
| Golden/Steppe Eagle | Aquila chrysaetus/nepalensis |
| Golden-breasted Starling | Cosmopsarus regius |
| Golden-capped Conure | Aratinga auricapilla auricapilla |
| Golden-cheeked Warbler | Dendroica chrysoparia |
| Golden-cheveroned Tanager | Thraupis ornata |
| Golden-crowned Conure | Aratinga aurea |
| Golden-crowned Kinglet | Regulus satrapa |
| Golden-crowned Sparrow | Zonotrichia atricapilla |
| Golden-crowned Warbler | Basileuterus culicivorus |
| Golden-fronted Conure | Aratinga auricapilla aurifrons |
| Golden-fronted Leafbird | Chloropsis aurifrons |
| Golden-fronted Woodpecker | Melanerpes aurifrons |
| Golden-headed Manakin | Pipra erythrocephala |
| Golden-heart Dove | Gallicolumba rufigula |
| Golden-mantled Rosella | Platycercus eximius cecilae |
| Golden-masked Tanager | Tangara larvata |
| Golden-naped Tanager | Tangara rufigenis |
| Golden-rumped Tinkerbird | Pogoniulus bilineatus |
| Golden-shouldered Parakeet | Psephotus pulcherrimus chrysopterygius |
| Golden-shouldered Parrot | Psephotus chrysopterygius |
| Golden-winged Parakeet | Brotogeris chrysopterus |
| Golden-winged Parrot | Psephotus pulcherrimus chrysopterygius |
| Golden-winged Warbler | Vermivora chrysoptera |
| Goldie's Lorikeet | Trichoglossus goldiei |
| Gold-mantled Racquet-tail | Prioniturus platurus platurus |
| Goliath Heron | Ardea sumatrana goliath |
| Gouldian Finch | Chloebia gouldiae |
| Graceful Pitta | Pitta granatina venusta |
| Grace's Warbler | Dendroica graciae |
| Grass Parakeet | Neophema |
| Grasshopper Sparrow | Ammodramus savannarum |
| Grassland Yellow Finch | Sicalis luteola |
| Gray Bunting | Emberiza variabilis |
| Gray Catbird | Dumetella carolinensis |
| Gray Flycatcher | Empidonax wrightii |
| Gray Go-away Bird | Corythaixoides Concolor |
| Gray Hawk | Asturina nitida |
| Gray Jay | Perisoreus canadensis |
| Gray Kingbird | Tyrannus dominicensis |
| Gray Partridge | Perdix perdix |
| Gray Silky-flycatcher | Ptilogonys cinereus |
| Gray Vireo | Vireo vicinior |
| Gray Wagtail | Motacilla cinerea |
| Gray-breasted Martin | Progne chalybea |
| Gray-cheeked Thrush | Catharus minimus |
| Gray-crowned Rosy-Finch | Leucosticte tephrocotis |
| Gray-crowned Yellowthroat | Geothlypis poliocephala |
| Gray-headed Chickadee | Poecile cinctus |
| Gray-spotted Flycatcher | Muscicapa griseisticta |
| Gray-tailed Tattler | Heteroscelus brevipes |
| Great Auk | Pinguinus impennis |
| Great Black Hawk | Buteogallus urubitinga |
| Great Black-backed Gull | Larus marinus |
| Great Blue Heron | Ardea cinerea herodius |
| Great Blue Heron | Ardea herodias |
| Great Blue Touraco | Corythaeola cristata |
| Great Cormorant | Phalacrocorax carbo |
| Great Crested Flycatcher | Myiarchus crinitus |
| Great Egret | Casmarochius albus |
| Great Egret | Ardea alba |
| Great Frigatebird | Fregata minor |
| Great Gray Owl | Strix nebulosa |
| Great Green Macaw | Ara ambigua |
| Great Grey Owl | Strix nebulosa |
| Great Horned Owl | Bubo virginianus occidentalis |
| Great Horned Owl | Bubo virginianus |
| Great Kiskadee | Pitangus sulphuratus |
| Great Knot | Calidris tenuirostris |
| Great Skua | Catharacta skua |
| Great Spotted Woodpecker | Dendrocopos major |
| Great Tinamou | Tinamus major |
| Great-billed Parrot | Tanygnathus megalorynchos |
| Greater Adjutant | Leptoptilos dubius dubius |
| Greater Blue-eared Glossy Starling | Lamprotornis chalybaeus |
| Greater Flamingo | Phoenicopterus ruber roseus |
| Greater Flamingo | Phoenicopterus ruber |
| Greater Hill Mynah | Gracula religiosa |
| Greater Indian Hill Mynah | Gracula religiosa |
| Greater Kestrel | Falco rupicoloides |
| Greater Pewee | Contopus pertinax |
| Greater Prairie-Chicken | Tympanuchus cupido |
| Greater Roadrunner | Geococcyx californianus |
| Greater Sage-Grouse | Centrocercus urophasianus |
| Greater Scaup | Aythya marila |
| Greater Shearwater | Puffinus gravis |
| Greater Sulphur C. Cockatoo | Cacatua sulphurea galerita |
| Greater Vasa Parrot | Coracopsis vasa |
| Greater White-fronted Goose | Anser albifrons |
| Greater Yellow Headed Amazon | Amazona oratrix magna |
| Greater Yellow-headed Vulture | Cathartes melambrotus |
| Greater Yellowlegs | Tringa melanoleuca |
| Great-tailed Grackle | Quiscalus mexicanus |
| Green & Gold Tanager | Tangara schrankii |
| Green Conure | Aratinga holochlora holochlora |
| Green Hanging Parrot | Loriculus pusillus exilis |
| Green Heron | Butorides virescens |
| Green Heron | Butorides virescens |
| Green Imperial-Pigeon | Ducula aenea |
| Green Jay | Xanthoura yncas |
| Green Jay | Cyanocorax yncas |
| Green Junglefowl | Gallus varius |
| Green Kingfisher | Chloroceryle americana |
| Green Magpie | Cissa chinensis |
| Green Quaker Parrot | Myiopsitta monachus monachus |
| Green Racquet-tail | Prioniturus discurus luconensis |
| Green Rosella | Platycercus caledonicus |
| Green Sandpiper | Tringa ochropus |
| Green Violet-ear | Colibri thalassinus |
| Green Wood Hoopoe | Phoeniculus purpureus |
| Green-breasted Mango | Anthracothorax prevostii |
| Green-cheeked Amazon | Amazona viridigenalis |
| Green-cheeked Conure | Pyrrhura molinae molinae |
| Green-cheeked/Yellow-sided Conure | Pyrrhura molinae molinae/hypoxantha |
| Green-crested Touraco | Tauraco persa persa |
| Green-fronted Hanging Parrot | Loriculus stigmatus tener |
| Greenish Elaenia | Myiopagis viridicata |
| Green-naped Lorikeet | Trichoglossus haematodus haematodus |
| Green-naped Pheasant Pigeon | Otidiphaps nobilis |
| Green-rumped Parrotlet | Forpus passerinus |
| Green-tailed Towhee | Pipilo chlorurus |
| Green-thighed Caique | Pionites leucogaster leucogaster |
| Green-winged King Parakeet | Alisterus chloropterus callopterus |
| Green-winged Macaw | Ara chloroptera |
| Green-winged Teal | Anas crecca |
| Green-winged Teal | Anas crecca |
| Grey Hornbill | Ocyceros birostris |
| Grey Partridge | Perdix perdix |
| Grey Peacock Pheasant | Polyplectron bicalcaratum |
| Grey-breasted Mountain Toucan | Andigena hypoglauca hypoglauca |
| Grey-cheeked Parakeet | Brotogeris pyrrhopterus |
| Grey-crowned Crane | Balearica pavonina regulorum |
| Grey-headed Kingfisher | Halcyon leucocephala |
| Grey-headed Lovebird | Agapornis cana |
| Grey-headed Parakeet | Psittacula finschii |
| Grey-Headed Parrot | Poicephalus fuscicollis suahelicus |
| Grey-headed Thrush | Turdus rubrocanus |
| Grey-hooded Parakeet | Psilopsiagon aymara |
| Grey-necked Wood-Rail | Aramides cajanea |
| Grey-sided Laughing Thrush | Garrulax caerulatus caerulatus |
| Grey-winged Trumpeter | Psophia crepitans crepitans |
| Griffin Vulture | Gyps fulvus |
| Groove-billed Ani | Crotophaga sulcirostris |
| Grosbeak Starling | Scissirostrum dubium |
| Guaiabero | Bolboppsittacus lunulatus |
| Guam Micronesian Kingfisher | Halcyon cinnamomina cinnamomina |
| Guam Rail | Rallus owstoni |
| Guam Rail | Rallus owstoni |
| Guatemalan Amazon | Amazona farinosa guatemalae |
| Guinea Touraco | Tauraco persa persa |
| Guira Cuckoo | Guira guira |
| Gull-billed Tern | Sterna nilotica |
| Gymnogene | Polyboroides typus |
| Gyr Falcon | Falco rusticolus |
| Gyrfalcon | Falco rusticolus |
| Hahn's Macaw | Diopsittaca nobilis nobilis |
| Hairy Woodpecker | Picoides villosus |
| Halfmoon Conure | Aratinga canicularis eburnirostrum |
| Halmahera Eclectus Parrot | Eclectus roratus vosmaeri |
| Hammer-headed Stork | Scopus umbretta |
| Hammerkop | Scopus umbretta |
| Hammond's Flycatcher | Empidonax hammondii |
| Hanging Parrot | Loriculus |
| Harlequin Duck | Histrionicus histrionicus |
| Harlequin Macaw | Ara chloroptera/ararauna |
| Harris Hawk | Parabuteo unicinctus |
| Harris's Hawk | Parabuteo unicinctus |
| Harris's Sparrow | Zonotrichia querula |
| Hartlaub's Duck | Pteronetta hartlaubii |
| Hartlaub's Touraco | Tauraco hartlaubi hartlaubi |
| Hawaii Akepa | Loxops coccineus coccineus |
| Hawaii Creeper | Oreomystis mana |
| Hawaiian common Moorhen | Gallinula chloropus sandvicensis |
| Hawaiian Coot | Fulica americana alai |
| Hawaiian Crow | Corvus hawaiiensis |
| Hawaiian dark-rumped Petrel | Pterodroma phaeopygia sandwichensis |
| Hawaiian Duck | Anas wyvilliana |
| Hawaiian Goose | Nesochen sandvicensis |
| Hawaiian Goose | Branta sandvicensis |
| Hawaiian Hawk | Buteo solitarius |
| Hawaiian Owl | Asio flammeus sandwicensis |
| Hawaiian Stilt | Himantopus mexicanus knudseni |
| Hawfinch | Coccothraustes coccothraustes |
| Hawk Owl | Surnia ulula |
| Hawk-headed Parrot | Deroptyus accipitrinus |
| Heermann's Gull | Larus heermanni |
| Helmeted Guineafowl | Numida meleagris |
| Henslow's Sparrow | Ammodramus henslowii |
| Hepatic Tanager | Piranga flava |
| Herald Petrel | Pterodroma arminjoniana |
| Hermit Thrush | Catharus guttatus |
| Hermit Warbler | Dendroica occidentalis |
| Herring Gull | Larus argentatus |
| Hill Mynah Bird | Gracula religiosa |
| Himalayan Snowcock | Tetraogallus himalayensis |
| Himalayan Vulture | Gyps himalayensis |
| Hispaniola Burrowing Owl | Speotyto cunicularia troglodytes |
| Hispaniolan Amazon | Amazona ventralis |
| Hispaniolan Burrowing Owl | Speotyto cunicularia |
| Hispaniolan Conure | Aratinga chloroptera |
| Hispaniolan Short-eared Owl | Asio flammeus |
| Hoary Redpoll | Carduelis hornemanni |
| Hoffmann's Conure | Pyrrhura hoffmanni |
| Homing Pigeon | |
| Honduras Yellow-headed Amazon | Amazona oratrix hondurensis |
| Hooded Crane | Grus monacha |
| Hooded Crow | Corvus corone |
| Hooded Merganser | Lophodytes cucullatus |
| Hooded Mountain Toucan | Andigena hypoglauca cucullata |
| Hooded Oriole | Icterus cucullatus |
| Hooded Parrot | Psephotus pulcherrimus dissimilis |
| Hooded Pitta | Pitta sordida sordida |
| Hooded Tinamou | Nothocercus nigrocapillus |
| Hooded Vulture | Necrosyrtes monachus |
| Hooded Warbler | Wilsonia citrina |
| Hook-billed Kite | Chondrohierax uncinatus |
| Hoopoe | Upupa epops |
| Horned Grebe | Podiceps auritus |
| Horned Guan | Oreophasis derbianus |
| Horned Lark | Eremophila alpestris |
| Horned Lark | Eremophila alpestris |
| Horned Parakeet | Eunymphicus cornutus |
| Horned Puffin | Fratercula arctica corniculata |
| Horned Puffin | Fratercula corniculata |
| Hottentot Teal | Anas hottentota |
| Houbara Bustard | Chlamydotis undulata |
| House Finch | Carpodacus mexicanus |
| House Sparrow | Passer domesticus |
| House Sparrow | Passer domesticus |
| House Wren | Troglodytes aedon |
| Hudsonian Godwit | Limosa haemastica |
| Humboldt Penguin | Spheniscus humboldti |
| Hutton's Vireo | Vireo huttoni |
| Hwamei | Garrulax canorus |
| Hyacinth Macaw | Anodorhynchus hyacinthinus |
| Hybrid Treeduck | |
| Iceland Gull | Larus glaucoides |
| Illiger's Macaw | Ara maracana |
| Imperial Amazon | Amazona imperialis |
| Imperial Eagle | Aquila heliaca |
| Inca Dove | Columbina inca |
| Inca Dove | Columbina inca |
| Inca Tern | Larosterna inca |
| Indian Eagle Owl | Bubo bengalensis |
| Indian Hanging Parrot | Loriculus beryllinus vernalis |
| Indian Hill Mynah | Gracula religiosa |
| Indian Jungle Mynah | Acridotheres fuscus |
| Indian Ringneck Parakeet | Psittacula krameri |
| Indian Roller | Coracias benghalensis |
| Indian Scops Owl | Otus bakkamoena |
| Indigo Bunting | Passerina cyanea |
| Indigo Macaw | Anodorhynchus glaucus leari |
| Indo-Chinese Green Peafowl | Pavo muticus imperator |
| Intermediate Guaiabero | Bolboppsittacus lunulatus intermedius |
| Intermediate Parakeet | Psittacula Intermedia |
| Inyo California Towhee | Pipilo crissalis eremophilus |
| Iris Lorikeet | Trichoglossus iris |
| Island Collared-Dove | Streptopelia bitorquata |
| Island Parrot | Tanygnathus megalorynchos |
| Island Scrub-Jay | Aphelocoma insularis |
| Ivory Gull | Pagophila eburnea |
| ivory-billed Woodpecker | Campephilus principalis |
| Ivory-billed Woodpecker | Campephilus principalis |
| Jabiru | Jabiru mycteria |
| Jabiru Stork | Jabiru mycteria |
| Jacdaw | Corvus monedula |
| Jack Snipe | Lymnocryptes minimus |
| Jacobin Pigeon | Columba livia jacobin |
| Jamaican Amazon | Amazona collaria |
| Jamaican Conure | Aratinga nana nana |
| Jandaya Conure | Aratinga jandaya |
| Japanese Quail | Coturnix coturnix japonica |
| Japanese Tumbler | Parus varius |
| Jardine's Parrot | Poicephalus gulielmi gulielmi |
| Java Green Peacock | Pavo muticus |
| Java Green Peafowl | Pavo muticus muticus |
| Javan Cochoa | Cochoa azurea |
| Javan Hill Mynah | |
| Javan Hill Partridge | Arborophila javanica |
| Javan Mynah | Acridotheres javanicus javanicus |
| Javan Whistling Duck | Dendrocygna javanica |
| Jen-Cap Conure | |
| Jenday Conure | Aratinga jandaya |
| Jen-Sun Conure | Aratinga solstitialis solstitialis/jandaya |
| Jobi Island Ground Dove | Gallicolumba jobiensis |
| Jobi Lory | Lorius lory jobiensis |
| Johnstone's Lorikeet | Trichoglossus johnstoniae |
| JosephineÕs Lory | Charmosyna josephinae |
| Jungle Nightjar | Caprimulgus indicus |
| Juniper Titmouse | Baeolophus griseus |
| Kagu | Rhynochetos jubatus |
| Kakariki | Cyanoramphus novaezelandia |
| Kauai `O`o | Moho braccatus |
| Kauai Akialoa | Hemignathus procerus |
| Kea | Nestor notabilis |
| Keel-billed Toucan | Ramphastos sulfuratus |
| Kentucky Warbler | Oporornis formosus |
| Kenya-crested Guineafowl | Guttera puchetani |
| Key West Quail-Dove | Geotrygon chrysia |
| Key West Quail-Dove | Geotrygon chrysia |
| Killdeer | Charadrius vociferus |
| King Eider | Somateria spectabilis |
| King Parrot | Alisterus |
| King Penguin | Aptenodytes patagonicus |
| King Rail | Rallus elegans |
| King Vulture | Sarcoramphus papa |
| Kirtland's Warbler | Dendroica kirtlandii |
| Kittlitz's Murrelet | Brachyramphus brevirostris |
| Knobbed Hornbill | Aceros cassidix |
| Knysna Touraco | Tauraco corythaix |
| Kookaburra | Dacelo novaguinae |
| Kori Bustard | Ardeotis kori |
| Kuhl's Cape Parrot | Poicephalus robustus fuscicollis |
| La Sagra's Flycatcher | Myiarchus sagrae |
| Labrador Duck | Camptorhynchus labradorius |
| Lace-necked Dove | Streptopelia chinensis |
| Ladder-backed Woodpecker | Picoides scalaris |
| Lady Ross's Touraco | Musophaga violacea rossae |
| Lafresnaye's Macaw | Ara severa castaneifrons |
| Lagger Falcon | Falco biarmicus jugger |
| Lanceolated Warbler | Locustella lanceolata |
| Lanner Falcon | Falco biarmicus biarmicus |
| Lapland Longspur | Calcarius lapponicus |
| Lapp Owl | Strix nebulosa lapponica |
| Lappet-faced Vulture | Torgos tracheliotus |
| Large Fig Parrot | Psittaculirostris desmarestii |
| large Kauai Thrush | Myadestes myadestinus |
| Large-billed Seed-Finch | Oryzoborus crassirostris |
| Large-billed Tern | Phaetusa simplex |
| Lark Bunting | Calamospiza melanocorys |
| Lark Sparrow | Chondestes grammacus |
| Laughing Gull | Larus atricilla |
| Laughing Kookaburra | Dacelo movaguimeae |
| Laughing Thrush | Garrulax |
| Lawrence's Goldfinch | Carduelis lawrencei |
| Layard's Parakeet | Psittacula calthropae |
| Laysan Albatross | Phoebastria immutabilis |
| Laysan Duck | Anas laysanensis |
| Laysan Finch | Telespyza cantans |
| Lazuli Bunting | Passerina amoena |
| Le Conte's Sparrow | Ammodramus leconteii |
| Le Conte's Thrasher | Toxostoma lecontei |
| Leach's Storm-Petrel | Oceanodroma leucorhoa |
| Leadbeater's Cockatoo | Cacatua leadbeateri |
| Lear's Macaw | Anodorhynchus glaucus leari |
| Least Auklet | Aethia pusilla |
| Least Auklet | Aethia pusilla |
| least Bell's Vireo | Vireo bellii pusillus |
| Least Bittern | Ixobrychus exilis |
| Least Flycatcher | Empidonax minimus |
| Least Grebe | Tachybaptus dominicus |
| Least Sandpiper | Calidris minutilla |
| Least Storm-Petrel | Oceanodroma microsoma |
| least Tern | Sterna antillarum |
| Least Tern | Sterna antillarum |
| Lemon Dove | Columba larvata |
| Lesser Black-backed Gull | Larus fuscus |
| Lesser Blue-eared Glossy Starling | Lamprotornis chloropterus |
| Lesser Eagle Owl | Otus gurneyi |
| Lesser Flamingo | Phoeniconaias minor |
| Lesser Frigatebird | Fregata ariel |
| Lesser Goldfinch | Carduelis psaltria |
| Lesser Jardine's Parrot | Poicephalus gulielmi |
| Lesser Kiskadee | Philohydor licta |
| Lesser Nighthawk | Chordeiles acutipennis |
| Lesser Patagonian Conure | Cyanoliseus patagonus patagonus |
| Lesser Prairie-Chicken | Tympanuchus pallidicinctus |
| Lesser Scaup | Aythya affinis |
| Lesser Snow Goose | Anser caerulescens caerulescens |
| Lesser Sulphur Crested Cockatoo | Cacatua sulphurea sulphurea |
| Lesser Vasa Parrot | Coracopsis nigra |
| Lesser White-fronted Amazon | Amazona albifrons nana |
| Lesser White-fronted Goose | Anser erythropus |
| Lesser White-fronted Goose | Anser erythropus |
| Lesser Yellow-headed Vulture | Cathartes burrovianus |
| Lesser Yellowlegs | Tringa flavipes |
| Lewis's Woodpecker | Melanerpes lewis |
| light-footed clapper Rail | Rallus longirostris levipes |
| Light-footed Clapper Rail | Rallus longirostris levipes |
| Lilac-breasted Roller | Coracias caudata |
| Lilac-collared Parrot | Geoffroyus simplex |
| Lilac-crowned Amazon | Amazona finschi |
| Lilacine Amazon | Amazona autumnalis lilacina |
| Lilford's Crane | Grus grus lilfordii |
| Limpkin | Aramus guarauna |
| Lincoln's Sparrow | Melospiza lincolnii |
| Lineolated Parakeet | Bolborhynchus lineola lineola |
| Little Blue Heron | Egretta caerulea |
| Little Bunting | Emberiza pusilla |
| Little Corella | Cacatua pastinator sanguinea |
| Little Curlew | Numenius minutus |
| Little Egret | Egretta garzetta garzetta |
| Little Egret | Egretta garzetta |
| Little Gull | Larus minutus |
| Little Owl | Athene noctua |
| Little Penguin | Eudyptula minor |
| Little Ringed Plover | Charadrius dubius |
| Little Shearwater | Puffinus assimilis |
| Little Stint | Calidris minuta |
| Little Tinamou | Crypturellus soui |
| Livingstone Touraco | Tauraco livingstonii |
| Loggerhead Kingbird | Tyrannus caudifasciatus |
| Loggerhead Shrike | Lanius ludovicianus |
| Long-billed Corella | Cacatua tenuirostris tenuirostris |
| Long-billed Curlew | Numenius americanus |
| Long-billed Dowitcher | Limnodromus scolopaceus |
| Long-billed Murrelet | Brachyramphus perdix |
| Long-billed Thrasher | Toxostoma longirostre |
| Long-crested Eagle | Lophaetus occipitalis |
| Long-eared Owl | Asio otus |
| Long-eared Owl | Asio otus |
| Long-tailed Broadbill | Psarisomus dalhousiae Psarisomus dalhousiae |
| Long-tailed Glossy Starling | Lamprotornis caudatus caudatus |
| Long-tailed Jaeger | Stercorarius longicaudus |
| Long-tailed Parakeet | Psittacula longicauda |
| Long-toed Stint | Calidris subminuta |
| Louisiana Heron | Egretta tricolor |
| Louisiana Waterthrush | Seiurus motacilla |
| Lovebird | Agapornis |
| Lucifer Hummingbird | Calothorax lucifer |
| Lucy's Warbler | Vermivora luciae |
| Luzon Bleeding Heart Dove | Gallicolumba luzonica |
| Luzon Racquet-tail | Prioniturus platenae montanus |
| Macaroni Penguin | Eudyptes chrysolophus |
| MacGillivray's Warbler | Oporornis tolmiei |
| Madagascar Lovebird | Agapornis cana cana |
| Madagascar Turtle-Dove | Columba picourata |
| Magdalena Conure | Pyrrhura melanura chapmani |
| Magellanic Owl | Bubo Magellanicus |
| Magellanic Penguin | Spheniscus demersus magellanicus |
| Magellan's Eagle Owl | Bubo virginianus nacurutu |
| Magnificent Frigatebird | Fregata magnificens |
| Magnificent Hummingbird | Eugenes fulgens |
| Magnolia Warbler | Dendroica magnolia |
| Magpie Goose | Anseranas semipalmata |
| Magpie Robin | Copsychus |
| Magpie Shrike | Corvinella melanoleuca |
| Maguari Stork | Ciconia maguari |
| Major Mitchell's Cockatoo | Cacatua leadbeateri |
| Malabar Parakeet | Psittacula columboides |
| Malay Eagle Owl | Bubo sumatranus |
| Malayan Longtail Parakeet | Psittacula longicauda |
| Malayan Peacock Pheasant | Polyplectron malacense malacense |
| Malaysian Fishing Owl | Ketupa ketupa |
| Malaysian Hanging Parrot | Loriculus galgulus |
| Malaysian Wood Owl | Strix leptogrammica |
| Malherbe's Parakeet | Cyanoramphus malherbi |
| Mallard | Anas platyrhnchos platyrhynchus |
| Mallard | Anas platyrhynchos |
| Mallee Ringneck Parakeet | Barnardius barnardi barnardi |
| Manchurian Crane | Grus japonensis |
| Mandarin Duck | Aix galericulata |
| Mangrove Cuckoo | Coccyzus minor |
| Manx Shearwater | Puffinus puffinus |
| Many-banded Aracari | Pteroglossus torquatus pluricinctus |
| Marabou Stork | Leptoptilos dubius crumeniferus |
| Maraj Amazon | Amazona ochrocephala xantholaema |
| Maraj Yellow-crowned Amazon | Amazona ochrocephala xantholaema |
| Marble Teal | Marmaronetta angustirostris |
| Marbled Godwit | Limosa fedoa |
| marbled Murrelet | Brachyramphus marmoratus marmoratus |
| Marbled Murrelet | Brachyramphus marmoratus |
| Mariana common Moorhen | Gallinula chloropus guami |
| Mariana Crow | Corvus kubaryi |
| Mariana gray Swiftlet | Aerodramus vanikorensis bartschi |
| Mariana Moorhen | Gallinula chloropus chloropus |
| Mariana's Fruit Dove | Ptilinopus roseicapilla |
| Maroon-bellied Conure | Pyrrhura frontalis frontalis |
| Maroonbreasted Crowned Pigeon | Goura scheepmakeri |
| Maroon-faced Conure | Pyrrhura picta leucotis |
| Maroon-fronted Parrot | Rhynchopsitta pachyrhyncha terrisi |
| Maroon-tailed Conure | Pyrrhura melanura melanura |
| Marsh Sandpiper | Tringa stagnatilis |
| Marsh Wren | Cistothorus palustris |
| Martial Eagle | Polemaetus bellicosus |
| Masai Red-headed Parrot | Poicephalus gulielmi massaicus |
| masked Bobwhite | Colinus virginianus ridgwayi |
| Masked Booby | Sula dactylatra |
| Masked Duck | Nomonyx dominicus |
| Masked Grass Finch | Poephila personata |
| Masked Lovebird | Agapornis personata |
| Masked Tityra | Tityra semifasciata |
| Massena's Lorikeet | Trichoglossus haematodus massena |
| Mathew's Cockatoo | Cacatua galerita fitzroyi |
| Mathew's Little Corella | Cacatua pastinator normantoni |
| Maui Akepa | Loxops coccineus ochraceus |
| Maui Parrotbill | Pseudonestor xanthophrys |
| Mauritius Fody | Foudia rubra |
| Mauritius Parakeet | Psittacula echo |
| Maximilian's Pionus | Pionus maximiliani |
| McCown's Longspur | Calcarius mccownii |
| McKay's Bunting | Plectrophenax hyperboreus |
| McKinder's Eagle Owl | Bubo capensis mackinderi |
| Mealy Amazon | Amazona farinosa farinosa |
| Mealy Rosella | Platycercus eximius adsciticus |
| Medium Ground Finch | Geospiza fortis |
| Medium Sulphur Crested Cockatoo | Cacatua galerita eleonora |
| Merlin | Falco columbarius |
| Merlin | Falco columbarius |
| Metallic Starling | Aplonis metallica |
| Meuller's Imperial-Pigeon | Ducula mullerii |
| Mew Gull | Larus canus |
| Mexican Chickadee | Poecile sclateri |
| Mexican Green Macaw | Ara militaris mexicana |
| Mexican Jay | Aphelocoma ultramarina |
| Mexican Jay | Aphelocoma ultramarina |
| Mexican Parrotlet | Forpus cyanopygius |
| Mexican Red-headed Amazon | Amazona viridigenalis |
| Mexican spotted Owl | Strix occidentalis lucida |
| Mexican Striped Owl | Rhinoptynx clamator |
| Meyer's Lorikeet | Trichoglossus flavoviridis meyeri |
| Meyer's Parrot | Poicephalus meyeri meyeri |
| Micronesian Megapode | Megapodius laperouse |
| Middendorff's Grasshopper-Warbler | Locustella ochotensis |
| Mikado Pheasant | Syrmaticus mikado |
| Mili-ffons Macaw | Ara militaris militaris/ambigua ambigua |
| Mili-gold Macaw | Ara militaris militaris/ararauna |
| Military Macaw | Ara militaris militaris |
| Milky Eagle Owl | Bubo lacteus |
| Mindanao Bleeding Heart Dove | Gallicolumba luzonica criniger |
| Mindanao Guaiabero | Bolboppsittacus lunulatus mindanensis |
| Mindanao Racquet-tail | Prioniturus platenae warerstradti |
| Miritiba Pearly Conure | Pyrrhura perlata coerulescens |
| Mississippi Kite | Ictinia mississippiensis |
| Mississippi sandhill Crane | Grus canadensis pulla |
| Mistle Thrush | Turdus viscivorus |
| Mitchell's Lorikeet | Trichoglossus haematodus mitchellii |
| Mitred Conure | Aratinga mitrata mitrata |
| Molokai Creeper | Paroreomyza flammea |
| Molokai Thrush | Myadestes lanaiensis rutha |
| Moluccan Cockatoo | Cacatua moluccensis |
| Moluccan Hanging Parrot | Loriculus stigmatus amabilis |
| Moluccan Lory | Eos bornea bornea |
| Moluccan Parrot | Tanygnathus megalorynchos |
| Moluccan Red Lory | Eos bornea |
| Monagas White-eared Conure | Pyrrhura leucotis auricularis |
| Mongolian Plover | Charadrius mongolus |
| Monk Parakeet | Myiopsitta monachus |
| Monk Parakeet | Myiopsitta monachus |
| Montezuma Oropendola | Gymnostinops montezuma montezuma |
| Montezuma Quail | Cyrtonyx montezumae |
| Moszkowski's Green-winged King Parrot | Alisterus chloropterus moszkowskii |
| Mottled Duck | Anas fulvigula |
| Mottled Owl | Strix virgata |
| Mottled Owl | Ciccaba virgata |
| Mottled Petrel | Pterodroma inexpectata |
| Mount Apo Lorikeet | Tricoglossus johnstoniae |
| Mount Goliath Lorikeet | Charmosyna papou goliathina |
| Mountain Bamboo Partridge | Bambusicola fytchii |
| Mountain Bluebird | Sialia currucoides |
| Mountain Chickadee | Poecile gambeli |
| Mountain Parakeet | Psilopsiagon aurifrons aurifrons |
| Mountain Peacock Pheasant | Polyplectron inopinatum |
| Mountain Plover | Charadrius montanus |
| Mountain Plover | Charadrius montanus |
| Mountain Quail | Oreortyx pictus |
| Mountain Quail | Oreortyx pictus |
| Mountain Racquet-tail | Prioniturus platenae montanus |
| Mountain Witch-Dove | Geotrygon versicolor |
| Mourning Dove | Zenaida macroura |
| Mourning Dove | Zenaida macroura |
| Mourning Warbler | Oporornis philadelphia |
| Moustached Parakeet | Psittacula alexandri |
| Mugimaki Flycatcher | Ficedula mugimaki |
| Mulga Parrot | Psephotus varius |
| Muller's Parrot | Tanygnathus sumatranus |
| Murphy's Petrel | Pterodroma ultima |
| Muscovy Duck | Cairina moschata |
| Musk Lorikeet | Glossopsitta concinna |
| Musk Parrot | Prosopeia |
| Musschenbroek's Lorikeet | Neopsittacus musschenbroekii |
| Mute Swan | Cygnus olor |
| Mute Swan | Cygnus olor |
| Nanday Conure | Nandayus nenday |
| Nan-Sun Conure | Nandayus nenday/Aratinga solstitialis solstitialis |
| Narcissus Flycatcher | Ficedula narcissina |
| Nashville Warbler | Vermivora ruficapilla |
| Nelson's Sharp-tailed Sparrow | Ammodramus nelsoni |
| Nene Goose | Branta sandvicensis |
| Neotropic Cormorant | Phalacrocorax brasilianus |
| Neumann's Pearly Conure | Pyrrhura perlata anerythra |
| New Caledonian Parakeet | Cyanoramphus saisseti |
| Newell's Townsend's Shearwater | Puffinus auricularis newelli |
| Newton's Parakeet | Psittacula exsul |
| Niam Niam Parrot | Poicephalus meyeri crassus |
| Nicobar Parakeet | Psittacula caniceps |
| Nicobar Pigeon | Caloenas nicobarica |
| Night Parrot | Pezoporus occidentalis |
| nightingale reed Warbler | Acrocephalus luscinia |
| Nihoa Finch | Telespyza ultima |
| Nihoa Millerbird | Acrocephalus familiaris kingi |
| Noble's Macaw | Diopsittaca nobilis cumanensis |
| Nocturnal Curassow | Nothocrax urumutum |
| North American Ruddy Duck | Oxyura jamaicensis jamaicensis |
| northern aplomado Falcon | Falco femoralis septentrionalis |
| Northern Beardless-Tyrannulet | Camptostoma imberbe |
| Northern Bobwhite | Colinus virginianus |
| Northern Cardinal | Cardinalis cardinalis |
| Northern Eagle Owl | Bubo bubo bubo |
| Northern Flicker | Colaptes auratus |
| Northern Fulmar | Fulmarus glacialis |
| Northern Gannet | Morus bassanus |
| Northern Goshawk | Accipiter gentilis |
| Northern Goshawk | Accipiter gentilis |
| Northern Harrier | Circus cyaneus |
| Northern Hawk Owl | Surnia ulula |
| Northern Hawk Owl | Surnia ulula |
| Northern Jacana | Jacana spinosa |
| Northern Lapwing | Vanellus vanellus |
| Northern Mockingbird | Mimus polyglottos |
| Northern Parula | Parula americana |
| Northern Pied Hornbill | Anthracoceros albirostris |
| Northern Pintail | Anas acuta |
| Northern Pygmy-Owl | Glaucidium gnoma |
| Northern Rosella | Platycercus venustus |
| Northern Rough-winged Swallow | Stelgidopteryx serripennis |
| Northern Saw-whet Owl | Aegolius acadicus |
| Northern Shoveler | Anas clypeata |
| Northern Shrike | Lanius excubitor |
| northern spotted Owl | Strix occidentalis caurina |
| Northern Waterthrush | Seiurus noveboracensis |
| Northern Waterthrush | Seiurus noveboracensis |
| Northern Wheatear | Oenanthe oenanthe |
| Northwestern Crow | Corvus caurinus |
| Nubian Vulture | Torgos tracheliotus |
| Nukupu`u | Hemignathus lucidus |
| Nuthatch | Sitta europea |
| Nuttall's Woodpecker | Picoides nuttallii |
| Nutting's Flycatcher | Myiarchus nuttingi |
| Nyasa Lovebird | Agapornis personata lilianae |
| Oahu Creeper | Paroreomyza maculata |
| Oahu Elepaio | Chasiempis sandwichensis ibidis |
| Oak Titmouse | Baeolophus inornatus |
| Obi Violet-necked Lory | Eos squamata obiensis |
| Ochre-marked Conure | Pyrrhura cruentata |
| Oldsquaw | Clangula hyemalis |
| Oliva Pigeon | Columba arquatrix |
| Olive Sparrow | Arremonops rufivirgatus |
| Olive Warbler | Peucedramus taeniatus |
| Olive-backed Pipit | Anthus hodgsoni |
| Olive-shouldered Parrot | Aprosmictus jonquillaceus jonquillaceus |
| Olive-sided Flycatcher | Contopus cooperi |
| Olive-throated Conure | Aratinga nana nana |
| Opal-rumped Tanager | Tangara velia |
| Orange-bellied Fruit Dove | Ptilinopus iozonus |
| Orange-bellied Leafbird | Chloropsis hardwickii |
| Orange-bellied Parrot | Poicephalus senegalus mesotypus |
| Orange-breasted Fig Parrot | Cyclopsitta gulielmitertii |
| Orange-breasted Green-Pigeon | Treron bicincta |
| Orange-breasted Parakeet | Neophema chrysostoma chrysogaster |
| Orange-chinned Parakeet | Brotogeris jugularis jugularis |
| Orange-crowned Parrot | Poicephalus gulielmi fantiensis |
| Orange-crowned Warbler | Vermivora celata |
| Orange-fronted Conure | Aratinga canicularis |
| Orange-fronted Hanging Parrot | Loriculus stigmatus aurantiifrons |
| Orange-fronted Leafbird | Chloropsis hardwickii |
| Orange-fronted Parakeet | Aratinga aurea canicularis |
| Orange-winged Amazon | Amazona amazonica |
| Orchard Oriole | Icterus spurius |
| Oriental Cuckoo | Cuculus saturatus |
| Oriental Greenfinch | Carduelis sinica |
| Oriental Pratincole | Glareola maldivarum |
| Oriental Scops Owl | Otus sunia |
| Oriental Scops-Owl | Otus sunia |
| Oriental Stork | Ciconia ciconia boyciana |
| Oriental Turtle-Dove | Streptopelia orientalis |
| Oriole Warbler | Hypergerus atriceps |
| Ornate Hawk Eagle | Spizaetus ornatus |
| Ornate Lorikeet | Trichoglossus ornatus |
| Ornate Lory | Trichoglossus ornatus |
| Osculated Toucan | Ramphastos osculans |
| Osprey | Pandion haliaetus |
| Osprey | Pandion haliaetus |
| Ouvea Parakeet | Eunymphicus uvaeensis |
| Ovenbird | Seiurus aurocapillus |
| Owl Finch | Poephila taeniopygia Bichenovii |
| Oystercatcher | Haematopus ostralegus |
| Pacific Black-tailed Conure | Pyrrhura melanura pacifica |
| Pacific Conure | Aratinga holochlora strenua |
| Pacific Golden-Plover | Pluvialis fulva |
| Pacific Loon | Gavia pacifica |
| Pacific Parrotlet | Forpus coelestis |
| Pacific-slope Flycatcher | Empidonax difficilis |
| Paint-billed Crake | Neocrex erythrops |
| Painted Bunting | Passerina ciris |
| Painted Conure | Pyrrhura picta picta |
| Painted Redstart | Myioborus pictus |
| Painted Stork | Mycteria leucocephala |
| Palawan Peacock Pheasant | Polyplectron emphanum |
| Palawan Racquet-tail | Prioniturus platenae platenae |
| Pale-headed Lorikeet | Trichoglossus haematodus caeruleiceps |
| Pale-headed Rosella | Platycercus adscitus palliceps |
| Pale-legged Hornero | Furnarius leucopus |
| Paler Blue-headed Pionus | Pionus menstruus rubragularis |
| Palila | Loxioides bailleui |
| Pallas's Bunting | Emberiza pallasi |
| Pallid Scops Owl | Otus brucei |
| Pallied Caique | Pionites melanocephala pallida |
| Palm Cockatoo | Probosciger aterrimus |
| Palm Warbler | Dendroica palmarum |
| Palm-nut Vulture | Gypohierax angolensis |
| Panama Amazon | Amazona ochrocephala panamensis |
| Papuan Hanging Parrot | Loriculus stigmatus aurantiifrons |
| Papuan Mountain-Pigeon | Gymnophaps albertisii |
| Paradise Finch | Amadina erythrocephala |
| Paradise Parrot | Psephotus pulcherrimus pulcherrimus |
| Paradise Tanager | Tanagara chilensis |
| Parakeet Auklet | Cyclorrhynchus psittacula |
| Parakeet Auklet | Aethia psittacula |
| Parasitic Jaeger | Stercorarius parasiticus |
| Parvipes Amazon | Amazona auropalliata parvipes |
| Parvipes yellow-naped Amazon | Amazona ochrocephala parvipes |
| Passenger Pigeon | Ectopistes migratorius |
| Patagonian Conure | Cyanoliseus patagonus |
| Pavonine Quetzel | Pharomachrus pavoninus |
| Peach-faced Lovebird | Agapornis roseicollis |
| Peach-fronted Conure | Aratinga aurea aurea |
| Peacock | Afropavo congensis |
| Peacock Pheasant | Polyplectron |
| Peales Falcon | Falco peregrinus |
| Pearl Spotted Owlett | Glaucidium passerinum perlutum |
| Pearl-headed Silverbill | Lonchura griseicapilla |
| Pearly Conure | Pyrrhura perlata perlata |
| Pechora Pipit | Anthus gustavi |
| Pectoral Sandpiper | Calidris melanotos |
| Pekin Robin | Leiothrix lutea |
| Pelagic Cormorant | Phalacrocorax pelagicus |
| Pel's Fishing Owl | Scotopelia peli |
| Pennant Rosella | Platycercus elegans |
| Peregrine Falcon | Falco peregrinus peregrinus |
| Peregrine Falcon | Falco peregrinus |
| Perfect Lorikeet | Trichoglossus euteles |
| Peruvian Pigeon | Columba oenops |
| Peruvian Thick-knee | Burhinus superciliaris |
| Pesquet's Parrot | Psittrichas fulgidus |
| Petz's Conure | Aratinga canicularis eburnirostrum |
| Phainopepla | Phainopepla nitens |
| Pharaoh Eagle Owl | Bubo bubo ascalaphus |
| Pheasant Pigeon | Otidiphaps nobilis |
| Philadelphia Vireo | Vireo philadelphicus |
| Philippine Blue-naped Parrot | Tanygnathus lucionensis |
| Philippine Cockatoo | Cacatua haematuropygia |
| Philippine Eagle Owl | Bubo phillippensis |
| Philippine Hanging Parrot | Loriculus philippensis |
| Picazuro Pigeon | Columba picazuro |
| Pied Avocet | Recurvirostra avosetta |
| Pied Crow | Corvus albus |
| Pied Hornbill | Tockus fasciatus |
| Pied Imperial-Pigeon | Ducula bicolor |
| Pied-billed Grebe | Podilymbus podiceps |
| Pigeon Guillemot | Cepphus columba |
| Pigeon Guillemot | Cepphus columba |
| Pileated Parakeet | Purpureicephalus spurius |
| Pileated Parrot | Pionopsitta pileata |
| Pileated Woodpecker | Dryocopus pileatus |
| Pine Bunting | Emberiza leucocephalos |
| Pine Grosbeak | Pinicola enucleator |
| Pine Siskin | Carduelis pinus |
| Pine Warbler | Dendroica pinus |
| Pink Pigeon | Columba mayeri |
| Pink-backed Pelican | Pelecanus rufescens |
| Pink-footed Goose | Anser brachyrhynchus |
| Pink-footed Shearwater | Puffinus creatopus |
| Pink-necked Fruit Dove | Ptiltnopus cinctus porphyreus |
| Pin-tailed Snipe | Gallinago stenura |
| Pinyon Jay | Gymnorhinus cyanocephalus |
| Pionus | Pionus |
| piping Plover | Charadrius melodus |
| Piping Plover | Charadrius melodus |
| Plain Chachalaca | Ortalis vetula |
| Plain Parakeet | Brotogeris tirica |
| Plain-capped Starthroat | Heliomaster constantii |
| Plumbeous Vireo | Vireo plumbeus |
| Plumed Guineafowl | Guttera plumifera |
| Plum-headed Parakeet | Psittacula cyanocephala |
| Plush-capped Jay | Cyancorax chrysops dickeyi |
| Plush-crested Jay | Cyancorax chrysops dickeyi |
| Po`ouli | Melamprosops phaeosoma |
| Polytelis Parakeet | Polytelis |
| Pomarine Jaeger | Stercorarius pomarinus |
| Pope Cardinal | Paroaria dominicana |
| Port Lincoln Parakeet | Barnardius zonarius |
| Prairie Falcon | Falco mexicanus |
| Prairie Falcon | Falco mexicanus |
| Prairie Warbler | Dendroica discolor |
| Primrose-cheeked Amazon | Amazona autumnalis autumnalis |
| Princess of Wales Parakeet | Polytelis alexandrae |
| Prothonotary Warbler | Protonotaria citrea |
| Pucherani Guineafowl | Guttera pucherani |
| Puerto Rican Amazon | Amazona vittata |
| Puerto Rican broad-winged Hawk | Buteo platypterus brunnescens |
| Puerto Rican Nightjar | Caprimulgus noctitherus |
| Puerto Rican Parrot | Amazona vittata |
| Puerto Rican plain Pigeon | Columba inornata wetmorei |
| Puerto Rican sharp-shinned Hawk | Accipiter striatus venator |
| Puna Ibis | Plegadis ridgwayi |
| Puna Teal | Anas puna |
| Purple Finch | Carpodacus purpureus |
| Purple Gallinule | Porphyrio martinicus martinicus |
| Purple Gallinule | Porphyrula martinica |
| Purple Glossy Starling | Lamprotornis purpureus |
| Purple Martin | Progne subis |
| Purple Sandpiper | Calidris maritima |
| Purple Swamphen | Porphyrio porphyrio |
| Purple-bellied Lory | Lorius hypoinochrous |
| Purple-capped Lory | Lorius domicellus |
| Purple-crested Touraco | Musophaga porphyreolophus porphyreolophus |
| Purple-crowned Lorikeet | Glossopsitta porphyreocephala |
| Purple-naped Lory | Lorius domicella |
| Purple-tailed Imperial-Pigeon | Ducula rufigaster |
| Purplish-backed Jay | Cyanocorax beecheii |
| Pygmy Ground-Dove | Columbina minuta |
| Pygmy Hanging Parrot | Loriculus pusillus exilis |
| Pygmy Nuthatch | Sitta pygmaea |
| Pygmy Owl | Glaucidium |
| Pyrrhuloxia | Cardinalis sinuatus |
| Pyrrhura Conure | Pyrrhura |
| Quaker Parrot | Myiopsitta monachus monachus |
| Queen of Bavaria Conure | Aratinga guarouba |
| Racquet-tailed Roller | Coracias spatulata |
| Radjah Shelduck | Tadorna radjah |
| Raggiana Bird of Paradise | Paradisaea raggiana |
| Rainbow Lory | Trichoglossus haematodus |
| Rajah Lory | Chalcopsitta atra insignis |
| Razor Bill | Alca torda |
| Razorbill | Alca torda |
| Red & Black Broadbill | Cimbirhynchus macrorhynchus |
| Red & Blue Lory | Eos histrio |
| Red & Green Macaw | Ara chloroptera |
| Red Crossbill | Loxia curvirostra |
| Red Fody | Foudia madagascariensis |
| Red Kite | Milvus milvus |
| Red Knot | Calidris canutus |
| Red Lory | Eos bornea |
| Red Phalarope | Phalaropus fulicaria |
| Red Rosella | Platycercus eximius eximius |
| Red Shining Parrot | Prosopeia tabuensis tabuensis |
| Red-bellied Hanging Parrot | Loriculus pusillus exilis |
| Red-bellied Macaw | Ara manilata |
| Red-bellied Parrot | Poicephalus rufiventris |
| Red-bellied Woodpecker | Melanerpes carolinus |
| Red-bellied Woodpecker | Melanerpes carolinus |
| Red-billed Blue Magpie | Urocissa erythrorhyncha |
| Red-billed Hornbill | Tockus erythrorhynchus |
| Red-billed Parakeet | Psilopsiagon aurifrons rubrirostris |
| Red-billed Parrot | Pionus sordidus |
| Red-billed Pigeon | Columba flavirostris |
| Red-billed Pionus | Pionus sordidus |
| Red-billed Teal | Anas erythrorhyncha |
| Red-billed Toucan | Ramphastos tucanus tucanus |
| Red-billed Tropicbird | Phaethon aethereus |
| Red-breasted Flycatcher | Ficedula parva |
| Red-breasted Goose | Branta ruficollis |
| Red-breasted Lory | Lorius lory erythrothorax |
| Red-breasted Merganser | Mergus serrator |
| Red-breasted Nuthatch | Sitta canadensis |
| Red-breasted Sapsucker | Sphyrapicus ruber |
| Red-breasted Toucan | Ramphastos dicolorus dicolorus |
| Red-breasted Toucan | Ramphastos dicolorus |
| Red-browed Amazon | Amazona rhodocorytha |
| Red-capped Cardinal | Paroaria gularis |
| Red-capped Parakeet | Purpureicephalus spurius |
| Red-capped Parrot | Pionopsitta pileata |
| Red-cheeked Parrot | Geoffroyus geoffroyi |
| red-cockaded Woodpecker | Picoides borealis |
| Red-cockaded Woodpecker | Picoides borealis |
| Red-cockaded Woodpecker | Picoides borealis |
| Red-collared Lorikeet | Trichoglossus haematodus rubritorquis |
| Red-crested Cardinal | Paroaria coronata |
| Red-crested Cardinal Finch | Coryphospingus culcullatus culcullatus |
| Red-crested Touraco | Tauraco erythrolophus erythrolophus |
| Red-crowned Amazon | Amazona dufresniana rhodocorytha |
| Red-crowned Crane | Grus japonensis |
| Red-crowned Parrot | Amazona viridigenalis |
| Red-crowned Racquet-tail | Prioniturus platenae montanus |
| Reddish Egret | Egretta rufescens |
| Red-eared Conure | Pyrrhura hoematotis |
| Red-eyed Vireo | Vireo olivaceus |
| Red-faced Cormorant | Phalacrocorax urile |
| Red-faced Fig Parrot | Cyclopsitta diophthalma |
| Red-faced Liocichla | Liocichla phoenicea |
| Red-faced Mousebird | Urocolius macrourus indicus |
| Red-faced Warbler | Cardellina rubrifrons |
| Red-fan Parrot | Deroptyus accipitrinus accipitrinus |
| Red-flanked Bluetail | Tarsiger cyanurus |
| Red-footed Booby | Sula sula |
| Red-fronted Amazon | Amazona vittata |
| Red-fronted Conure | Aratinga wagleri wagleri |
| Red-fronted Kakariki | Cyanoramphus novaezelandiae |
| Red-fronted Lorikeet | Charmosyna rubronotata |
| Red-fronted Lory | Charmosyna rubronotata |
| Red-fronted Macaw | Ara rubrogenys |
| Red-fronted Parakeet | Cyanoramphus novaezelandia |
| Redhead | Aythya americana |
| Red-headed Finch | Amadina erythrocephala |
| Red-headed Parrot | Poicephalus gulielmi |
| Red-headed Parrot Finch | Erythrura psittacea |
| Red-headed Woodpecker | Melanerpes erythrocephalus |
| Red-knobbed Hornbill | Rhyticeros cassidix |
| Red-legged Kittiwake | Rissa brevirostris |
| Red-legged Seriema | Cariama cristata |
| Red-lored Amazon | Amazona autumnalis |
| Red-masked Conure | Aratinga erythrogenys |
| Red-naped Falcon | Falco pelegrinoides babylonicus |
| Red-naped Sapsucker | Sphyrapicus nuchalis |
| Red-necked Amazon | Amazona arausiaca |
| Red-necked Grebe | Podiceps grisegena |
| Red-necked Phalarope | Phalaropus lobatus |
| Red-necked Stint | Calidris ruficollis |
| Red-rumped Parrot | Psephotus haematonotus |
| Red-shouldered Hawk | Buteo lineatus |
| Red-shouldered Macaw | Ara nobilis nobilis |
| Red-sided Eclectus Parrot | Eclectus roratus polychloros |
| Red-spectacled Amazon | Amazona pretrei |
| Red-spotted Racquet-tail | Prioniturus discurus flavicans |
| Red-tailed Amazon | Amazona brasiliensis |
| Red-tailed Black Cockatoo | Calyptorhynchus magnificus |
| Red-tailed Black Cockatoo | Calyptorhynchus banksii banksii |
| Red-tailed Buzzard | Buteo auguralis |
| Red-tailed Hawk | Buteo jamaicensis |
| Red-tailed Hawk | Buteo jamaicensis |
| Red-tailed Laughing Thrush | Garrulax milnei |
| Red-tailed Minla | Minla ignotincta |
| Red-tailed Tropicbird | Phaethon rubricauda |
| Red-throated Amazon | Amazona collaria |
| Red-throated Conure | Aratinga holochlora rubritorquis |
| Red-throated Loon | Gavia stellata |
| Red-throated Pipit | Anthus cervinus |
| Red-topped Amazon | Amazona rhodocorytha |
| Red-vented Cockatoo | Cacatua haematuropygia |
| Red-whiskered Bulbul | Pycnonotus jocosus |
| Redwing | Turdus ilacus |
| Redwing | Turdus iliacus |
| Red-winged Blackbird | Agelaius phoeniceus |
| Red-winged Laughing Thrush | Garrulax formosus |
| Red-winged Parakeet | Aprosmictus erythropterus |
| Red-winged Parrot | Aprosmictus erythropterus erythropterus |
| Red-winged Parrotlet | Touit dilectissima |
| Red-winged Thrush | Turdus iliacus |
| Red-winged Tinamou | Rhynchotus rufescens |
| Reed Bunting | Emberiza schoeniclus |
| Regent Parrot | Polytelis anthopeplus anthopeplus |
| Reichenow's Cape Parrot | Poicephalus robustus suahelicus |
| Reichenow's Weaver | Ploceus baglafecht |
| Rhinoceros Auklet | Cerorhinca monocerata |
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