Part 2--Nene through Yellowthroat
| Old Name | Current Name | Scientific Name | |
| nene | goose, Hawaiian | Nesochen sandvicensis | |
| niggergoose | cormorant, double-crested | Phalacrocorax auritus | |
| nighthawk | |||
| Asseri | nighthawk, common | Chordeiles minor | |
| booming | nighthawk, common | Chordeiles minor | |
| Cherrie's | nighthawk, common | Chordeiles minor | |
| eastern | nighthawk, common | Chordeiles minor | |
| Florida | nighthawk, common | Chordeiles minor | |
| Howell's | nighthawk, common | Chordeiles minor | |
| Pacific | nighthawk, common | Chordeiles minor | |
| San Lucas | nighthawk, lesser | Chordeiles acutipennis | |
| Sennett's | nighthawk, common | Chordeiles minor | |
| sharp-winged | nighthawk, lesser | Chordeiles acutipennis | |
| Texas | nighthawk, lesser | Chordeiles acutipennis | |
| trilling | nighthawk, lesser | Chordeiles acutipennis | |
| western | nighthawk, common | Chordeiles minor | |
| nightingale | |||
| Kamchatka | rubythroat, Siberian | Luscinia calliope | |
| Pekin | leiothrix, red-billed | Leiothrix lutea | |
| noddy | |||
| common | noddy, brown | Anous stolidus | |
| lesser | noddy, black | Anous minutus | |
| white-capped | noddy, black | Anous minutus | |
| nonpariel | bunting, painted | Passerina ciris | |
| painted | bunting, varied | Passerina versicolor | |
| nutcracker, blue | jay, pinyon | Gymnorhinus cyanocephalus | |
| nuthatch | |||
| black-eared | nuthatch, pygmy | Sitta pygmaea | |
| Californian | nuthatch, pygmy | Sitta pygmaea | |
| Florida | nuthatch, white-breasted | Sitta carolinensis | |
| gray-headed | nuthatch, brown-headed | Sitta pusilla | |
| Inyo | nuthatch, white-breasted | Sitta carolinensis | |
| Nevada | nuthatch, pygmy | Sitta pygmaea | |
| Rocky Mountain | nuthatch, white-breasted | Sitta carolinensis | |
| San Lucas | nuthatch, white-breasted | Sitta carolinensis | |
| San Pedro | nuthatch, white-breasted | Sitta carolinensis | |
| slender-billed | nuthatch, white-breasted | Sitta carolinensis | |
| western | nuthatch, white-breasted | Sitta carolinensis | |
| white-naped | nuthatch, pygmy | Sitta pygmaea | |
| oo, Molokai | oo, Bishop's | Moho bishopi | |
| oriole | |||
| Abielle's | oriole, northern | Icterus galbula | |
| Baltimore | oriole, northern | Icterus galbula | |
| black-backed | oriole, northern | Icterus galbula | |
| black-headed | oriole, Audubon's | Icterus graduacauda | |
| black-throated | oriole, Altamira | Icterus gularis | |
| Bullock's | oriole, northern | Icterus galbula | |
| Fuertes' | oriole, orchard | Icterus spurius | |
| Greater Antillean | oriole, black-cowled | Icterus dominicensis | |
| Lichtenstein's | oriole, Altamira | Icterus gularis | |
| Nelson's | oriole, hooded | Icterus cucullatus | |
| Northrop's | oriole, black-cowled | Icterus dominicensis | |
| ochre | oriole, orchard | Icterus spurius | |
| Porto Rican | oriole, black-cowled | Icterus dominicensis | |
| scarlet-headed | oriole, streak-backed | Icterus pustulatus | |
| Sennett's | oriole, hooded | Icterus cucullatus | |
| Wagler's | oriole, black-vented | Icterus wagleri | |
| western | oriole, northern | Icterus galbula | |
| ortolan | sora | Porzana carolina | |
| owl | |||
| Acadian | saw-whet owl, northern | Aegolius acadicus | |
| Aiken's screech | screech-owl, western | Otus kennicottii | |
| Arizona screech | screech-owl, western | Otus kennicottii | |
| Bancroft's screech | screech-owl, western | Otus kennicottii | |
| Brewster's screech | screech-owl, western | Otus kennicottii | |
| California pygmy | pygmy-owl, northern | Glaucidium gnoma | |
| California screech | screech-owl, western | Otus kennicottii | |
| common screech | screech-owl, eastern | Otus asio | |
| day | hawk-owl, northern | Surnia ulula | |
| dwarf | owl, flammulated | Otus flammeolus | |
| ferruginous | pygmy-owl, ferruginous | Glaucidium brasilianum | |
| Florida screech | screech-owl, eastern | Otus asio | |
| Gilman's screech | screech-owl, western | Otus kennicottii | |
| Grinnell's screech | screech-owl, western | Otus kennicottii | |
| Hasbrouck's screech | screech-owl, western | Otus kennicottii | |
| horned | owl, great horned | Bubo virginianus | |
| Hoskins' pygmy | pygmy-owl, northern | Glaucidium gnoma | |
| Kennicott's screech | screech-owl, western | Otus kennicottii | |
| Kirtland's | saw-whet owl, northern | Aegolius acadicus | |
| MacFarlane's screech | screech-owl, western | Otus kennicottii | |
| McCall's screech | screech-owl, eastern | Otus asio | |
| Mexican screech | screech-owl, western | Otus kennicottii | |
| monkey-faced | barn-owl, common | Tyto alba | |
| mottled | screech-owl, eastern | Otus asio | |
| Pasadena screech | screech-owl, western | Otus kennicottii | |
| Richardson's | owl, boreal | Aegolius funereus | |
| Rocky Mountain screech | screech-owl, western | Otus kennicottii | |
| sahuaro screech | screech-owl, western | Otus kennicottii | |
| Siberian | owl, great gray | Strix nebulosa | |
| spotted screech | screech-owl, whiskered | Otus trichopsis | |
| Tengmalm's | owl, boreal | Aegolius funereus | |
| Texas screech | screech-owl, western | Otus kennicottii | |
| vinaceous screech | screech-owl, western | Otus kennicottii | |
| western barred | owl, spotted | Strix occidentalis | |
| white | owl, snowy | Nyetea scandiaca | |
| Xantus' screech | screech-owl, western | Otus kennicottii | |
| oxeye | sandpiper, least or | Calidris minutilla | |
| semipalmated | Calidris pusillus | ||
| oystercatcher, Frazar's | oystercatcher, American | Haematopus palliatus | |
| paisano | roadrunner, greater | Geococcyx californianus | |
| parakeet | |||
| Louisiana | parakeet, Carolina | Conuropsis carolinensis | |
| shell | budgerigar | Melopsittacus undulatus | |
| parrot, green-cheeked | parrot, red-crowned | Amazona viridigenalis | |
| paraque, Merrill's | pauraque, common | Nyctidromus albicollis | |
| partridge | |||
| blue | quail, scaled | Callipepla squamata | |
| common | partridge, gray | Perdix perdix | |
| crested | quail, California | Callipepla californica | |
| European | partridge, gray | Perdix perdix | |
| Florida | bobwhite, northern | Colinus virginianus | |
| Gambel's crested | quail, Gambel's | Callipepla gambelii | |
| Hungarian | partridge, gray | Perdix perdix | |
| Massena | quail, Montezuma | Cyrtonyx montezumae | |
| plumed | quail, mountain | Oreortyx pictus | |
| scaled | quail, scaled | Callipepla squamata | |
| spruce | grouse, spruce | Dendragapus canadensis | |
| Texas | bobwhite, northern | Colinus virginianus | |
| Virginia | bobwhite, northern | Colinus virginianus | |
| pelican, rough-billed | pelican, American white | Pelecanus erythrorhynchus | |
| petrel | |||
| Beal's | storm-petrel, Leach's | Oceanodroma leucorhoa | |
| blue-footed | petrel, Cook's | Pterodroma cookii | |
| Chapman | storm-petrel, Leach's | Oceanodroma leucorhoa | |
| dusky-rumped | storm-petrel, Leach's | Oceanodroma leucorhoa | |
| Fisher's | petrel, mottled | Pterodroma inexpectata | |
| frigate | storm-petrel, white-faced | Pelagodroma marina | |
| fulmar | fulmar, northern | Fulmarus glacialis | |
| Galapagos | storm-petrel, wedge-rumped | Oceanodroma tethys | |
| gular | petrel, mottled | Pterodroma inexpectata | |
| Harcourt's | storm-petrel, band-rumped | Oceanodroma castro | |
| Hawaiian | storm-petrel, band-rumped | Oceanodroma castro | |
| Kaeding's | storm-petrel, Leach's | Oceanodroma leucorhoa | |
| Peale | petrel, mottled | Pterodroma inexpectata | |
| pintado | petrel, Cape | Daption capense | |
| Madeiran | storm-petrel, band-rumped | Oceanodroma castro | |
| Salvin's | petrel, Bonin | Pterodroma hypoleuca | |
| scaled | petrel, mottled | Pterodroma inexpectata | |
| Socorro | storm-petrel, Leach's | Oceanodroma leucorhoa | |
| South Trinidad | petrel, herald | Pterodroma arminjoniana | |
| storm[y] | storm-petrel, British | Hydrobates pelagicus | |
| Townsend | storm-petrel, black | Oceanodroma melania | |
| Trindade | petrel, herald | Pterodroma arminjoniana | |
| variable | petrel, Kermadec | Pterodroma neglecta | |
| pewee | |||
| Coues' | pewee, greater | Contopus pertinax | |
| short-legged | wood-pewee, western | Contopus sordidulus | |
| phalarope | |||
| gray | phalarope, red | Phalaropus fulicaria | |
| hyperborean | phalarope, red-necked | Phalaropus lobatus | |
| northern | phalarope, red-necked | Phalaropus lobatus | |
| pheasant | |||
| Chinese | pheasant, ring-necked | Phasianus colchicus | |
| common | pheasant, ring-necked | Phasianus colchicus | |
| English | pheasant, ring-necked | Phasianus colchicus | |
| green | pheasant, ring-necked | Phasianus colchicus | |
| Japanese | pheasant, ring-necked | Phasianus colchicus | |
| phoebe | |||
| San Jose | phoebe, Say's | Sayornis saya | |
| San Lucas | phoebe, black | Sayornis nigricans | |
| San Pedro Martir | phoebe, Say's | Sayornis saya | |
| San Quintin | phoebe, black | Sayornis nigricans | |
| Yukon | phoebe, Say's | Sayornis saya | |
| pigeon | |||
| Cape | petrel, Cape | Daption capense | |
| carrier | dove, rock | Columba livia | |
| common | dove, rock | Columba livia | |
| feral | dove, rock | Columba livia | |
| homing | dove, rock | Columba livia | |
| Key West | quail-dove, Key West | Geotrygon chrysia | |
| red-necked | pigeon, scaly-naped | Columba squamosa | |
| rock | dove, rock | Columba livia | |
| rufous | pigeon, pale-vented | Columba cayennensis | |
| Viosca's | pigeon, band-tailed | Columba fasciata | |
| white-fronted | dove, white-tipped | Leptotila verreauxi | |
| wild | pigeon, passenger | Ectopistes migratorius | |
| pintail | |||
| American | pintail, northern | Anas acuta | |
| Bahama | pintail, white-cheeked | Anas bahamensis | |
| common | pintail, northern | Anas acuta | |
| Galapagos | pintail, white-cheeked | Anas bahamensis | |
| pipit | |||
| American | pipit, water | Anthus spinoletta | |
| Japanese | pipit, water | Anthus spinoletta | |
| olive-backed | tree-pipit, olive | Anthus hodgsoni | |
| vinaceous-throated | pipit, red-throated | Anthus cervinus | |
| plover | |||
| Belding's | plover, Wilson's | Charadrius wilsonia | |
| field | sandpiper, upland | Bartramia longicauda | |
| gray | plover, black-bellied | Pluvialis squatarola | |
| Kentish | plover, snowy | Charadrius alexandrinus | |
| thick-billed | plover, Wilson's | Charadrius wilsonia | |
| ruddy | sanderling | Calidris alba | |
| upland | sandpiper, upland | Bartramia longicauda | |
| pochard, American | redhead | Aythya americana | |
| poke | heron, green-backed | Butorides striatus | |
| poor-will | |||
| Colorado Desert | poor-will, common | Phalaenoptilus nuttallii | |
| desert | poor-will, common | Phalaenoptilus nuttallii | |
| dusky | poor-will, common | Phalaenoptilus nuttallii | |
| frosted | poor-will, common | Phalaenoptilus nuttallii | |
| Nuttall's | poor-will, common | Phalaenoptilus nuttallii | |
| San Ignacio | poor-will, common | Phalaenoptilus nuttallii | |
| prairie-chicken | |||
| Attwater's | prairie-chicken, greater | Tympanuchus cupido | |
| pseudonestor | parrotbill, Maui | Pseudonestor xanthophrys | |
| ptarmigan | |||
| Adak | ptarmigan, rock | Lagopus mutus | |
| Alaska | ptarmigan, willow | Lagopus lagopus | |
| Alexander's | ptarmigan, willow | Lagopus lagopus | |
| Allen's | ptarmigan, willow | Lagopus lagopus | |
| Chamberlain's | ptarmigan, rock | Lagopus mutus | |
| Dixon's | ptarmigan, rock | Lagopus mutus | |
| Evermann's | ptarmigan, rock | Lagopus mutus | |
| Kellogg's | ptarmigan, rock | Lagopus mutus | |
| Nelson's | ptarmigan, rock | Lagopus mutus | |
| Reinhardt's | ptarmigan, rock | Lagopus mutus | |
| Sanford's | ptarmigan, rock | Lagopus mutus | |
| Townsend's | ptarmigan, rock | Lagopus mutus | |
| Turner's | ptarmigan, rock | Lagopus mutus | |
| Ungava | ptarmigan, willow | Lagopus lagopus | |
| Welch's | ptarmigan, rock | Lagopus mutus | |
| white-shafted | ptarmigan, willow | Lagopus lagopus | |
| ptilogonys | |||
| black | phainopepla | Phainopepla nitens | |
| Mexican | silky-flycatcher, gray | Ptilogonys cinereus | |
| Townsend's | solitaire, Townsend's | Myadestes townsendi | |
| pueo | owl, short-eared | Asio flammeus | |
| puffin | |||
| common | puffin, Atlantic | Fratercula arctica | |
| horn-billed | auklet, rhinoceros | Cerorhinca monocerata | |
| large-billed | puffin, Atlantic | Fratercula arctica | |
| purre | dunlin | Calidris alpina | |
| quail | |||
| American | bobwhite, northern | Colinus virginianus | |
| Arizona | quail, scaled or | Callipepla squamata | |
| Gambel's | Callipepla gambelii | ||
| bobwhite | bobwhite, northern | Colinus virginianus | |
| Canfield's | quail, California | Callipepla californica | |
| Catalina (Island) | quail, California | Callipepla californica | |
| chestnut-bellied | quail, scaled | Callipepla squamata | |
| harlequin | quail, Montezuma | Cyrtonyx montezumae | |
| Mearns' | quail, Montezuma | Cyrtonyx montezumae | |
| Olathe | quail, Gambel's | Callipepla gambelii | |
| plumed | quail, mountain | Oreortyx pictus | |
| San Lucas | quail, California | Callipepla californica | |
| San Pedro | quail, mountain | Oreortyx pictus | |
| San Quintin | quail, California | Callipepla californica | |
| valley | quail, California | Callipepla californica | |
| rail | |||
| Belding | rail, clapper | Rallus longirostris | |
| Carolina | sora | Porzana carolina | |
| Farallon | rail, black | Laterallus jamaicensis | |
| light-footed | rail, clapper | Rallus longirostris | |
| red-breasted | rail, king | Rallus elegans | |
| rain crow | cuckoo, yellow-billed | Coccyzus americanus | |
| raven | |||
| American | raven, common | Corvus corax | |
| holarctic | raven, common | Corvus corax | |
| Mexican | raven, common | Corvus corax | |
| northern | raven, common | Corvus corax | |
| southwestern | raven, common | Corvus corax | |
| white-necked | raven, Chihuahuan | Corvus cryptoleucus | |
| redbird | |||
| cardinal | cardinal, northern | Cardinalis cardinalis | |
| summer | tanager, summer | Piranga rubra | |
| redpoll | |||
| Arctic | redpoll, hoary | Carduelis hornemanni | |
| Coue's | redpoll, hoary | Carduelis hornemanni | |
| greater | redpoll, common | Carduelis flammea | |
| Greenland | redpoll, hoary | Carduelis hornemanni | |
| Holboell's | redpoll, common | Carduelis flammea | |
| Hornemann's | redpoll, hoary | Carduelis hornemanni | |
| Labrador | redpoll, common | Carduelis flammea | |
| lesser | redpoll, common | Carduelis flammea | |
| mealy | redpoll, hoary | Carduelis hornemanni | |
| redwing11 | blackbird, red-winged | Agelaius phoeniceus | |
| redstart, blue-throated | bluethroat | Luscinia svecica | |
| red-bellied | redstart, slate-throated | Myioborus miniatus | |
| reedbird | bobolink | Dolichonyx oryzivorus | |
| reeve | ruff | Philomachus pugnax | |
| rice-bird | bobolink | Dolichonyx oryzivorus | |
| roadrunner, California | roadrunner, greater | Geococcyx californicus | |
| robin | |||
| black-backed | robin, American | Turdus migratorius | |
| Cape | robin, American | Turdus migratorius | |
| Carolinian | robin, American | Turdus migratorius | |
| Grayson's | robin, rufous-backed | Turdus rufopalliatus | |
| Mazatlan | robin, rufous-backed | Turdus rufopalliatus | |
| northwestern | robin, American | Turdus migratorius | |
| Pekin | leiothrix, red-billed | Leiothrix lutea | |
| Rocky Mountain | robin, American | Turdus migratorius | |
| San Lucas | robin, American | Turdus migratorius | |
| western | robin, American or | Turdus migratorius | |
| thrush, varied | Ixoreus naevius | ||
| wood | thrush, wood | Hylocichla mustelina | |
| sandpiper | |||
| Alaskan | sandpiper, rock | Calidris ptilocnemis | |
| Aleutian | sandpiper, rock | Calidris ptilocnemis | |
| Bartram's | sandpiper, upland | Bartramia longicauda | |
| Bonaparte's | sandpiper, white-rumped | Calidris fuscicollis | |
| Commander | sandpiper, rock | Calidris ptilocnemis | |
| Pribilof | sandpiper, rock | Calidris ptilocnemis | |
| red-backed | dunlin | Calidris alpina | |
| red-breasted | knot, red | Calidris canutus | |
| rufous-necked | stint, rufous-necked | Calidris ruficollis | |
| western semipalmated | sandpiper, western | Calidris mauri | |
| sapsucker | |||
| Natalie's | sapsucker, Williamson's | Sphyrapicus thyroideus | |
| scaup, American | scaup, greater | Aythya marila | |
| scoter | |||
| American | scoter, black | Melanitta nigra | |
| common | scoter, black | Melanitta nigra | |
| velvet | scoter, white-winged | Melanitta fusca | |
| sea dove | dovekie | Alle alle | |
| sea-eagle | |||
| gray | eagle, white-tailed | Haliaeetus albicilla | |
| Washington | eagle, bald | Haliaeetus leucocephalus | |
| sea parrot | puffin, Atlantic | Fratercula arctica | |
| sea-swallow | tern, common | Sterna hirundo | |
| seedeater | |||
| Morelett's | seedeater, white-collared | Sporophila torqueola | |
| Sharpe's | seedeater, white-collared | Sporophila torqueola | |
| shag | cormorant | ||
| shearwater | |||
| allied | shearwater, little | Puffinus assimilis | |
| Cape Verde | shearwater, Cory's | Calonectris diomedea | |
| cinereous | shearwater, Cory's | Calonectris diomedea | |
| common | shearwater, Manx | Puffinus puffinus | |
| dark-bodied | shearwater, sooty | Puffinus griseus | |
| dusky | shearwater, Audubon's | Puffinus lherminieri | |
| gray-backed | shearwater, Buller's | Puffinus bulleri | |
| Mediterranean | shearwater, Cory's | Calonectris diomedea | |
| Newell's | shearwater, Townsend's | Puffinus auricularis | |
| New Zealand | shearwater, Buller's | Puffinus bulleri | |
| North Atlantic | shearwater, Cory's | Calonectris diomedea | |
| northern | shearwater, Cory's | Calonectris diomedea | |
| pale-footed | shearwater, flesh-footed | Puffinus carneipes | |
| pink-footed12 | shearwater, flesh-footed | Puffinus carneipes | |
| slender-billed | shearwater, short-tailed | Puffinus tenuirostris | |
| spectral | shearwater, sooty | Puffinus griseus | |
| sheldrake | |||
| American | merganser, common | Mergus merganser | |
| hooded | merganser, hooded | Lophodytes cucullatus | |
| red-breasted | merganser, red-breasted | Mergus serrator | |
| shite-poke | heron, green-backed | Butorides striatus | |
| shrike | |||
| California | shrike, loggerhead | Lanius ludovicianus | |
| Gambel | shrike, loggerhead | Lanius ludovicianus | |
| great gray | shrike, northern | Lanius excubitor | |
| Grinnell's | shrike, loggerhead | Lanius ludovicianus | |
| Island | shrike, loggerhead | Lanius ludovicianus | |
| migrant | shrike, loggerhead | Lanius ludovicianus | |
| Nelson's | shrike, loggerhead | Lanius ludovicianus | |
| northwestern | shrike, northern | Lanius excubitor | |
| San Clemente | shrike, loggerhead | Lanius ludovicianus | |
| Sonora | shrike, loggerhead | Lanius ludovicianus | |
| white-rumped | shrike, loggerhead | Lanius ludovicianus | |
| siskin, American | siskin, pine | Spinus pinus | |
| skua | |||
| Arctic | jaeger, parasitic | Stercorarius parasiticus | |
| brown | skua, great | Catharacta skua | |
| long-tailed | jaeger, long-tailed | Stercorarius longicaudus | |
| northern | skua, great | Catharacta skua | |
| pomarine | jaeger, pomarine | Stercorarius pomarinus | |
| pomatorhine | jaeger, pomarine | Stercorarius pomarinus | |
| skylark, Missouri | pipit, Sprague's | Anthus spragueii | |
| snakebird | anhinga | Anhinga anhinga | |
| snipe | |||
| American | snipe, common | Gallinago gallinago | |
| European | snipe, common | Gallinago gallinago | |
| grass | sandpiper, pectoral | Calidris melanotos | |
| gray | dowitcher, short-billed | Limnodromus griseus | |
| gray-back | dowitcher, short-billed | Limnodromus griseus | |
| red-bellied | dowitcher sp. | Limnodromus sp. | |
| red-breasted | dowitcher, short-billed | Limnodromus griseus | |
| robin | knot, red | Calidris canutus | |
| stone | yellowlegs, greater | Tringa melanoleuca | |
| western red-breasted | dowitcher, long-billed | Limnodromus scolopaceus | |
| Wilson's | snipe, common | Gallinago gallinago | |
| snowbird | junco, dark-eyed | Junco hyemalis | |
| snowflake | bunting, snow | Plectrophenax nivalis | |
| McKay's | bunting, McKay's | Plectrophenax hyperboreus | |
| solitaire, green | amakihi, greater | Hemignathus saggitirostris | |
| south- southerly | old squaw | Clangula hyemalis | |
| sparrow | |||
| Abreojos | sparrow, savannah | Passerculus sandwichensis | |
| Acadian | sparrow, sharp-tailed | Ammodramus caudacutus | |
| Aonalaska | sparrow, savannah | Passerculus sandwichensis | |
| ashy | sparrow, rufous-crowned | Aimophila ruficeps | |
| Bangs' | sparrow, black-throated | Amphispiza bilineata | |
| Belding's | sparrow, savannah | Passerculus sandwichensis | |
| Bell's | sparrow, sage | Amphispiza belli | |
| Bendire's | sparrow, rufous-winged | Aimophila carpalis | |
| black-chinned chipping | sparrow, black-chinned | Spizella atrogularis | |
| Brewer's chipping | sparrow, Brewer's | Spizella breweri | |
| Bryant's | sparrow, savannah | Passerculus sandwichensis | |
| Cape Colnett | sparrow, rufous-crowned | Aimophila ruficeps | |
| clay-colored chipping | sparrow, clay-colored | Spizella pallida | |
| desert | sparrow, black-throated | Amphispiza bilineata | |
| English | sparrow, house | Passer domesticus | |
| field chipping | sparrow, field | Spizella pusilla | |
| Forbush's | sparrow, Lincoln's | Melospiza lincolnii | |
| fox-colored | sparrow, fox | Passerella iliaca | |
| Gambel's | sparrow, white-crowned | Zonotrichia leucophrys | |
| intermediate crown | sparrow, white-crowned | Zonotrichia leucophrys | |
| Ipswich | sparrow, savannah | Passerculus sandwichensis | |
| Laguna | sparrow, rufous-crowned | Aimophila ruficeps | |
| large-beaked | sparrow, fox | Passerella iliaca | |
| large-billed | sparrow, savannah | Passerculus sandwichensis | |
| marsh | sparrow, savannah | Passerculus sandwichensis | |
| montane | sparrow, Lincoln's | Melospiza lincolnii | |
| mountain | sparrow, American tree | Spizella arborea | |
| Nelson's | sparrow, sharp-tailed | Ammodramus caudacutus | |
| Nuttall's | sparrow, white-crowned | Zonotrichia leucophrys | |
| Pacific | sparrow, black-throated | Amphispiza bilineata | |
| Phillip | sparrow, house | Passer domesticus | |
| sparrow, Bachman's | Aimophila aestivalis | ||
| Puget Sound | sparrow, white-crowned | Zonotrichia leucophrys | |
| rock | sparrow, rufous-crowned | Aimophila ruficeps | |
| San Benito | sparrow, savannah | Passerculus sandwichensis | |
| San Clemente | sparrow, sage | Amphispiza belli | |
| Sandwich | sparrow, savannah | Passerculus sandwichensis | |
| San Lucas | sparrow, savannah | Passerculus sandwichensis | |
| Santa Catarina | sparrow, sage | Amphispiza belli | |
| Santa Cruz | sparrow, rufous-crowned | Aimophila ruficeps | |
| Scott's | sparrow, rufous-crowned | Aimophila ruficeps | |
| sea-shore | sparrow, savannah | Passerculus sandwichensis | |
| skylark | sparrow, savannah | Passerculus sandwichensis | |
| slate-colored | sparrow, fox | Passerella iliaca | |
| Stephens's | sparrow, fox | Passerella iliaca | |
| Texas | sparrow, olive | Arremonops rufivirgatus | |
| titlark | sparrow, savannah | Passerculus sandwichensis | |
| Townsend's | sparrow, fox | Passerella iliaca | |
| yellow-winged | sparrow, grasshopper | Ammodramus savannarum | |
| timberline | sparrow, Brewer's | Spizella breweri | |
| specklebelly | goose, greater white-fronted | Anser albifrons | |
| spindalis, Porto Rican | tanager, stripe-headed | Spindalis zena | |
| spine-tail | swift, chimney | Chaetura pelagica | |
| sprigtail | pintail, northern | Anas acuta | |
| stake-driver | bittern, American | Botaurus lentiginosus | |
| starling | |||
| meadow | meadowlark, eastern | Sturnella magna | |
| Mexican | meadowlark, eastern | Sturnella magna | |
| western | meadowlark, western | Sturnella neglecta | |
| starthroat, Constant's | starthroat, plain-capped | Heliomaster constantii | |
| pine | starthroat, plain-capped | Heliomaster constantii | |
| stilt, Hawaiian | stilt, black-necked | Himentopus mexicanus | |
| stint | sandpiper | ||
| red-necked | stint, rufous-necked | Calidris ruficollis | |
| swallow | |||
| eave | swallow, cliff | Hirundo pyrrhonota | |
| European | swallow, barn | Hirundo rustica | |
| European chimney | swallow, barn | Hirundo rustica | |
| Republican | swallow, cliff | Hirundo pyrrhonota | |
| San Lucas | swallow, violet-green | Tachycineta thalassina | |
| white-bellied | swallow, tree | Tachycineta bicolor | |
| swan | |||
| American | swan, tundra | Cygnus columbianus | |
| Bewick's | swan, tundra | Cygnus columbianus | |
| bugler | swan, trumpeter | Cygnus buccinator | |
| whistling | swan, tundra | Cygnus columbianus | |
| swift | |||
| Antillean cloud | swift, white-collared | Streptoprocne zonaris | |
| Antillean collared | swift, white-collared | Streptoprocne zonaris | |
| Cuban palm | swift, Antillean palm | Tachornis phoenicobia | |
| northern | swift, black | Cypseloides niger | |
| Oregon | swift, Vaux's | Chaetura vauxi | |
| white-rumped | swift, fork-tailed | Apus pacificus | |
| white-throated needle-tailed | needletail, white-throated | Hirundapus caudacutus | |
| tanager | |||
| Cooper's | tanager, summer | Piranga rubra | |
| liver-colored | tanager, hepatic | Piranga flava | |
| Louisiana | tanager, western | Piranga ludoviciana | |
| Swainson's | tanager, flame-colored | Piranga bidentata | |
| tattler | |||
| Bartramian | sandpiper, upland | Bartramia longicauda | |
| greater | yellowlegs, greater | Tringa melanoleuca | |
| lesser | yellowlegs, lesser | Tringa flavipes | |
| Polynesian | tattler, gray-tailed | Heteroscelus brevipes | |
| semipalmated | willet | Catoptrophorus semipalmatus | |
| solitary | sandpiper, solitary | Tringa solitaria | |
| spotted | sandpiper, spotted | Actitis macularia | |
| teal | |||
| common | teal, green-winged | Anas crecca | |
| English | teal, green-winged | Anas crecca | |
| European | teal, green-winged | Anas crecca | |
| Laysan | duck, Laysan | Anas laysanensis | |
| spectacled | teal, Baikal | Anas formosus | |
| tell-tale | yellowlegs, greater | Tringa melanoleuca | |
| tern | |||
| Brown's | tern, least | Sterna antillarum | |
| brown-winged | tern, bridled | Sterna anaethetus | |
| Cabot's | tern, Sandwich | Sterna sandvicensis | |
| Caribbean | tern, Sandwich | Sterna sandvicensis | |
| Cayenne | tern, Sandwich or | Sterna sandvicensis | |
| royal | Sterna maxima | ||
| fairy | tern, white | Gygis alba | |
| marsh | tern, gull-billed | Sterna nilotica | |
| ternlet, gray | noddy, blue-gray | Procelsterna cerulea | |
| thistle-bird | goldfinch, American | Carduelis tristis | |
| thrasher | |||
| Arizona | thrasher, Bendire's | Toxostoma bendirei | |
| bow-billed | thrasher, curve-billed | Toxostoma curvirostre | |
| Brownsville | thrasher, curve-billed | Toxostoma curvirostre | |
| desert | thrasher, Le Conte's | Toxostoma lecontei | |
| Mearns' | thrasher, gray | Toxostoma cinereum | |
| Palmer's | thrasher, curve-billed | Toxostoma curvirostre | |
| Rosalia | thrasher, Le Conte's | Toxostoma lecontei | |
| Sennett's | thrasher, long-billed | Toxostoma longirostre | |
| Sonoma | thrasher, California | Toxostoma redivivum | |
| St. Lucas | thrasher, gray | Toxostoma cinereum | |
| Texas | thrasher, brown | Toxostoma rufum | |
| Trinidad | thrasher, crissal | Toxostoma crissale | |
| Yuma | thrasher, Le Conte's | Toxostoma lecontei | |
| thrush | |||
| Alma's | thrush, Swainson's | Catharus ustulatus | |
| ashy | thrasher, gray | Toxostoma cinereum | |
| Bicknell's | thrush, gray-cheeked | Catharus minimus | |
| brown | thrasher, brown | Toxostoma rufum | |
| Chinese | laughing-thrush, melodious | Garrulax canorus | |
| dwarf | thrush, hermit | Catharus guttatus | |
| golden-crowned | ovenbird | Seiurus aurocapillus | |
| Gray's | robin, clay-colored | Turdus grayi | |
| Hawaiian13 | omao | Myadestes obscurus | |
| Henry's | thrasher, crissal | Toxostoma crissalis | |
| Le Conte's | thrasher, Le Conte's | Toxostoma lecontei | |
| Naumann's | thrush, dusky | Turdus naumanni | |
| olive-backed | thrush, Swainson's | Catharus ustulatus | |
| Oregon | thrush, Swainson's | Catharus ustulatus | |
| Porto Rican | thrush, red-legged | Turdus plumbeus | |
| red-winged | redwing | Turdus iliacus | |
| russett-backed | thrush, Swainson's | Catharus ustulatus | |
| shama | shama, white-rumped | Copsychus malabaricus | |
| sickle-bill | thrasher, California | Toxostoma redivivum | |
| small Kauai | puaiohi | Myadestes palmeri | |
| Townsend's flycatching | solitaire, Townsend's | Myadestes townsendii | |
| willow | veery | Catharus fuscescens | |
| Wilson's | veery | Catharus fuscescens | |
| tit | chickadee | Parus sp. | |
| titlark | pipit, water | Anthus spinoletta | |
| titmouse | |||
| ashy | titmouse, plain | Parus inornatus | |
| black-crested | titmouse, tufted | Parus bicolor | |
| chestnut-backed | chickadee, chestnut-backed | Parus rufescens | |
| gray | titmouse, plain | Parus inornatus | |
| least | bushtit | Psaltriparus minimus | |
| mountain | chickadee, mountain | Parus gambeli | |
| Oregon | titmouse, plain | Parus inornatus | |
| plumbeous | bushtit | Psaltriparus minimus | |
| San Diego | titmouse, plain | Parus inornatus | |
| San Francisco | titmouse, plain | Parus inornatus | |
| San Pedro | titmouse, plain | Parus inornatus | |
| Sennett's | titmouse, tufted | Parus bicolor | |
| Warren Valley | titmouse, plain | Parus inornatus | |
| western | chickadee, black-capped | Parus atricapillus | |
| yellow-headed | verdin | Auriparus flaviceps | |
| towhee | |||
| Alabama | towhee, rufous- sided | Pipilo erythrophthalmus | |
| Anthony's | towhee, brown | Pipilo fuscus | |
| Arctic | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Argus Mountainstowhee, brown Pipilo fuscus | |||
| California | towhee, brown | Pipilo fuscus | |
| canon | towhee, brown | Pipilo fuscus | |
| Cape Colnett | towhee, rufous-sided | Pipilo erythrophthalmus | |
| crissal | towhee, brown | Pipilo fuscus | |
| eastern | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Florida | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Guadalupe | towhee, rufous-sided | Pipilo erythrophthalmus | |
| large-billed | towhee, rufous-sided | Pipilo erythrophthalmus | |
| mountain | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Nevada | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Oregon | towhee, rufous-sided | Pipilo erythrophthalmus | |
| red-eyed | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Sacramento | towhee, rufous-sided | Pipilo erythrophthalmus | |
| San Clemente | towhee, rufous-sided | Pipilo erythrophthalmus | |
| San Diego | towhee, rufous-sided | Pipilo erythrophthalmus | |
| San Francisco | towhee, rufous-sided | Pipilo erythrophthalmus | |
| San Lucas | towhee, brown | Pipilo fuscus | |
| San Pablo | towhee, brown | Pipilo fuscus | |
| spotted | towhee, rufous-sided | Pipilo erythrophthalmus | |
| spurred | towhee, rufous-sided | Pipilo erythrophthalmus | |
| Texan | towhee, brown | Pipilo fuscus | |
| Texas | towhee, rufous-sided | Pipilo erythrophthalmus | |
| white-eyed | towhee, rufous-sided | Pipilo erythrophthalmus | |
| white-throated14 | towhee, brown | Pipilo fuscus | |
| tree-duck | |||
| red-billed | whistling-duck, black-bellied | Dendrocygna autumnalis | |
| autumnal | whistling-duck, black-bellied | Dendrocygna autumnalis | |
| tree-pipit, Indian | tree-pipit, olive | Anthus hodgsoni | |
| trogon, coppery-tailed | trogon, elegant | Trogon elegans | |
| tropicbird, yellow-billed | tropicbird, white-tailed | Phaethon lepturus | |
| turkey | |||
| eastern | turkey, wild | Meleagris gallopavo | |
| Florida | turkey, wild | Meleagris gallopavo | |
| Merriam's | turkey, wild | Meleagris gallopavo | |
| Mexican | turkey, wild | Meleagris gallopavo | |
| plain | turkey, wild | Meleagris gallopavo | |
| Rio Grande | turkey, wild | Meleagris gallopavo | |
| twixt-hell-and-the-white-oak | chuck-will's-widow | Caprimulgus carolinensis | |
| violet-ear, Mexican | violet-ear, green | Colibri thalassinus | |
| vireo | |||
| Anthony's | vireo, Hutton's | Vireo huttoni | |
| Arizona | vireo, Bell's | Vireo bellii | |
| Bermuda | vireo, white-eyed | Vireo griseus | |
| blue-headed | vireo, solitary | Vireo solitarius | |
| Cassin's | vireo, solitary | Vireo solitarius | |
| Frazar's | vireo, Hutton's | Vireo huttoni | |
| Jamaican | vireo, black-whiskered | Vireo altiloquus | |
| Key West | vireo, white-eyed | Vireo griseus | |
| least | vireo, Bell's | Vireo bellii | |
| mountain | vireo, solitary | Vireo solitarius | |
| plumbeous | vireo, solitary | Vireo solitarius | |
| Rio Grande | vireo, white-eyed | Vireo griseus | |
| San Lucas | vireo, solitary | Vireo solitarius | |
| Stephens' | vireo, Hutton's | Vireo huttoni | |
| Texas | vireo, Bell's | Vireo bellii | |
| vulture, California | condor, California | Gymnogyps californianus | |
| wagtail | |||
| pied | wagtail, white | Motacilla alba | |
| Swinhoe's | wagtail, white | Motacilla alba | |
| water | waterthrush, northern | Seiurus noveboracensis | |
| warbler | |||
| Arctic willow | warbler, Arctic | Phylloscopus borealis | |
| Audubon's | warbler, yellow-rumped | Dendroica coronata | |
| black-and-yellow | warbler, magnolia | Dendroica magnolia | |
| black-capped | warbler, Wilson's | Wilsonia pusilla | |
| black-fronted | warbler, yellow-rumped | Dendroica coronata | |
| blue-winged yellow | warbler, blue-winged | Vermivora pinus | |
| blue yellow-backed | parula, northern | Parula americana | |
| Brasher's | warbler, golden-crowned | Basileuterus culicivorus | |
| Brewster's | hybrid | Vermivora pinus x | |
| chrysoptera | |||
| Cairns' | warbler, black-throated blue | Dendroica caerulescens | |
| Calaveras | warbler, Nashville | Vermivora ruficapilla | |
| Canadian flycatching | warbler, Canada | Wilsonia canadensis | |
| dusky | warbler, orange-crowned | Vermivora celata | |
| golden | warbler, yellow | Dendroica petechia | |
| gray, yellow-throated | warbler, yellow-throated | Dendroica dominica | |
| green, black-cap | warbler, Wilson's | Wilsonia pusilla | |
| Hartlaub's | warbler, crescent-chested | Parula superciliosa | |
| Jack pine | warbler, Kirtland's | Dendroica kirtlandii | |
| Kennicott's willow | warbler, Arctic | Phylloscopus borealis | |
| Lawrence's | hybrid | Vermivora pinus x | |
| chrysoptera | |||
| lutescent | warbler, orange-crowned | Vermivora celata | |
| mangrove | warbler, yellow | Dendroica petechia | |
| Mexican | warbler, crescent-chested | Parula superciliosa | |
| myrtle | warbler, yellow-rumped | Dendroica coronata | |
| olive-backed | parula, tropical | Parula pitiayumi | |
| painted flycatching | redstart, painted | Myioborus pictus | |
| parula | parula, northern | Parula americana | |
| pileolated | warbler, Wilson's | Wilsonia pusilla | |
| pine-creeping | warbler, pine | Dendroica pinus | |
| red-fronted flycatching | warbler, red-faced | Cardellina rubrifrons | |
| red-poll | warbler, palm | Dendroica palmarum | |
| Sennett's olive-backed | parula, tropical | Parula pitiayumi | |
| Socorro | parula, tropical | Parula pitiayumi | |
| spot-breasted | warbler, crescent-chested | Parula superciliosa | |
| stripe-crowned | warbler, golden-crowned | Basileuterus culicivorus | |
| summer | warbler, yellow | Dendroica petechia | |
| sycamore | warbler, yellow-throated | Dendroica dominica | |
| Tolmie | warbler, MacGillivray's | Oporornis tolmiei | |
| Wayne's | warbler, black-throated green | Dendroica virens | |
| western | warbler, hermit | Dendroica occidentalis | |
| yellow-crowned | warbler , yellow-rumped | Dendroica coronata | |
| yellow red-poll | warbler, palm | Dendroica palmarum | |
| warrior, black | hawk, red-tailed (Harlan) | Buteo jamaicensis | |
| waterthrush | |||
| Alaska | waterthrush, northern | Seiurus noveboracensis | |
| Grinnell's | waterthrush, northern | Seiurus noveboracensis | |
| large-billed | waterthrush, Louisiana | Seiurus motacilla | |
| small-billed | waterthrush, northern | Seiurus noveboracensis | |
| Wyoming | waterthrush, northern | Seiurus noveboracensis | |
| water-ouzel | dipper, American | Cinclus mexicanus | |
| water-turkey | anhinga | Anhinga anhinga | |
| wax-chatterer, Bohemian | waxwing, Bohemian | Bombycilla garrulus | |
| waxwing | |||
| greater | waxwing, Bohemian | Bombycilla garrulus | |
| northern | waxwing, Bohemian | Bombycilla garrulus | |
| weaver finch | |||
| hooded | mannikin, bronze | Lonchura cucullata | |
| scarlet-cheeked | waxbill, orange-cheeked | Estrilda melpoda | |
| whalebird | shearwater, short-tailed | Puffinus tenuirostris | |
| wheatear | |||
| European | wheatear, northern | Oenanthe oenanthe | |
| Greenland | wheatear, northern | Oenanthe oenanthe | |
| whip-poor-will | |||
| Arizona | whip-poor-will | Caprimulgus vociferus | |
| Nuttall's | poor-will, common | Phalaenoptilus nuttallii | |
| Puerto Rican | nightjar, Puerto Rican | Caprimulgus noctitherus | |
| Ridgway's | nightjar, buff-collared | Caprimulgus ridgwayi | |
| Stephens' | whip-poor-will | Caprimulgus vociferus | |
| whistler | goldeneye, common | Bucephala clangula | |
| white-eye, Chinese | white-eye, Japanese | Zosterops japonicus | |
| woodcock, black | woodpecker, pileated | Dryocopus lineatus | |
| woodpecker | |||
| acorn-storing | woodpecker, acorn | Melanerpes formicivorus | |
| Alaska three-toed | woodpecker, three-toed | Picoides tridactylus | |
| alpine three-toed | woodpecker, three-toed | Picoides tridactylus | |
| American three-toed | woodpecker, three-toed | Picoides tridactylus | |
| ant-eating | woodpecker, acorn | Melanerpes formicivorus | |
| Arctic three-toed | woodpecker, black-backed | Picoides arcticus | |
| Arizona | woodpecker, Strickland's or | Picoides stricklandi | |
| ladder-backed | Picoides scalaris | ||
| banded-backed three-toed | woodpecker, three-toed | Picoides tridactylus | |
| Batchelder's | woodpecker, downy | Picoides pubescens | |
| black-backed three-toed | woodpecker, black-backed | Picoides arcticus | |
| Brewster's | woodpecker, Gila | Melanerpes uropygialis | |
| brown-backed | woodpecker, Strickland's | Picoides stricklandi | |
| brown-barred | woodpecker, Strickland's | Picoides stricklandi | |
| brown-headed | sapsucker, Williamson's | Sphyrapicus thyroideus | |
| Cabanis' | woodpecker, hairy | Picoides villosus | |
| cactus | woodpecker, ladder-backed | Picoides scalaris | |
| California | woodpecker, acorn | Melanerpes formicivorus | |
| Cape | woodpecker, ladder-backed | Picoides scalaris | |
| cardon | woodpecker, Gila | Melanerpes uropygialis | |
| Chihuahua | woodpecker, hairy | Picoides villosus | |
| Gairdner's | woodpecker, downy | Picoides pubescens | |
| gilded | flicker, northern | Colaptes auratus | |
| golden-winged | flicker, northern | Colaptes auratus | |
| Harris' | woodpecker, hairy | Picoides villosus | |
| Mearns' | woodpecker, acorn | Melanerpes formicivorus | |
| Modoc | woodpecker, hairy | Picoides villosus | |
| narrow-fronted | woodpecker, acorn | Melanerpes formicivorus | |
| Newfoundland | woodpecker, hairy | Picoides villosus | |
| northern three-toed | woodpecker, three-toed | Picoides tridactylus | |
| nuchal | sapsucker, red-naped | Sphyrapicus nuchalis | |
| Queen Charlotte | woodpecker, hairy | Picoides villosus | |
| red-breasted | sapsucker, red-breasted | Sphyrapicus ruber | |
| red-necked | sapsucker, red-naped | Sphyrapicus nuchalis | |
| red-shafted | flicker, northern | Colaptes auratus | |
| round-headed | sapsucker, Williamson's | Sphyrapicus thyroideus | |
| San Fernando | woodpecker, ladder-backed | Picoides scalaris | |
| San Lucas | woodpecker, ladder-backed | Picoides scalaris | |
| San Pedro | woodpecker, acorn | Melanerpes formicivorus | |
| striped three-toed | woodpecker, three-toed | Picoides tridactylus | |
| Texas | woodpecker, ladder-backed | Picoides scalaris | |
| white-breasted | woodpecker, hairy | Picoides villosus | |
| Williamson's | sapsucker, Williamson's | Sphyrapicus thyroideus | |
| willow | woodpecker, downy | Picoides pubescens | |
| yellow-bellied | sapsucker, yellow-bellied or | Sphyrapicus varius | |
| woodpecker, golden-fronted | Melanerpes aurifrons | ||
| yellow-fronted | woodpecker, golden-fronted | Melanerpes aurifrons | |
| zebra | woodpecker, red-bellied | Melanerpes carolinus | |
| wood pewee, large-billed | wood-pewee, western | Contopus sordidulus | |
| Porto Rico | pewee, Lesser Antillean | Contopus latirostris | |
| wren | |||
| Alaska | wren, winter | Troglodytes troglodytes | |
| Aleutian | wren, winter | Troglodytes troglodytes | |
| Apache | wren, house | Troglodytes aedon | |
| Attu | wren, winter | Troglodytes troglodytes | |
| Baird's | wren, Bewick's | Thryomanes bewickii | |
| brown-throated | wren, house | Troglodytes aedon | |
| Catalina | wren, Bewick's | Thryomanes bewickii | |
| Cedros Island | wren, Bewick's | Thryomanes bewickii | |
| Cozumel | wren, house | Troglodytes aedon | |
| desert | wren, Bewick's | Thryomanes bewickii | |
| dotted | wren, canyon | Catherpes mexicanus | |
| Florida | wren, Carolina | Thryothorus ludovicianus | |
| golden-crested | kinglet, golden-crowned | Regulus satrapa | |
| ground | wrentit | Chamaea fasciata | |
| Guadalupe | wren, Bewick's | Thryomanes bewickii | |
| Jenny | wren, house | Troglodytes aedon | |
| Kiska | wren, winter | Troglodytes troglodytes | |
| Kodiak | wren, winter | Troglodytes troglodytes | |
| Lomita | wren, Carolina | Thryothorus ludovicianus | |
| Nicasio | wren, Bewick's | Thryomanes bewickii | |
| ruby-crowned | kinglet, ruby-crowned | Regulus calendula | |
| Sacramento | wren, Bewick's | Thryomanes bewickii | |
| San Clemente | wren, Bewick's | Thryomanes bewickii | |
| San Diego | wren, Bewick's | Thryomanes bewickii | |
| San Joaquin | wren, Bewick's | Thryomanes bewickii | |
| Santa Cruz | wren, Bewick's | Thryomanes bewickii | |
| Seattle | wren, Bewick's | Thryomanes bewickii | |
| Semidi | wren, winter | Troglodytes troglodytes | |
| short-billed marsh | wren, sedge | Cistothorus platensis | |
| sooty | wren, Bewick's | Thryomanes bewickii | |
| speckled-tailed | wren, Bewick's | Thryomanes bewickii | |
| Stevenson's | wren, winter | Troglodytes troglodytes | |
| anaga | wren, winter | Troglodytes troglodytes | |
| Texan | wren, Carolina | Thryothorus ludovicianus | |
| Texas | wren, Bewick's | Thryomanes bewickii | |
| tule | wren, marsh | Cistothorus palustris | |
| Unalaska | wren, winter | Troglodytes troglodytes | |
| Vigors' | wren, Bewick's | Thryomanes bewickii | |
| Warner Valley | wren, Bewick's | Thryomanes bewickii | |
| white-bellied | wren, Bewick's | Thryomanes bewickii | |
| white-throated | wren, canyon | Catherpes mexicanus | |
| willow | wren, winter | Troglodytes troglodytes | |
| yellow-bird | goldfinch, American | Carduelis tristis | |
| yellowhammer15 | flicker, northern | Colaptes auratus | |
| yellowlegs | |||
| gray | yellowlegs, greater | Tringa melanoleuca | |
| summer | yellowlegs, lesser | Tringa flavipes | |
| yellowshanks | yellowlegs, lesser | Tringa flavipes | |
| yellowthroat | |||
| Belding's | yellowthroat, common | Geothlypis trichas | |
| Florida | yellowthroat, common | Geothlypis trichas | |
| Goldman's | yellowthroat , common | Geothlypis trichas | |
| Maryland | yellowthroat, common | Geothlypis trichas | |
| northern | yellowthroat, common | Geothlypis trichas | |
| Pacific | yellowthroat, common | Geothlypis trichas | |
| Rio Grande | yellowthroat, gray-crowned | Geothlypis poliocephala | |
| salt marsh | yellowthroat, common | Geothlypis trichas | |
| southern | yellowthroat, common | Geothlypis trichas | |
| tule | yellowthroat, common | Geothlypis trichas | |
| western | yellowthroat, common | Geothlypis trichas | |