Part 1--Accentor through Myna
| Old Name | Current Name | Scientific Name | |
| accentor, mountain | accentor, Siberian | Prunella montanella | |
| aeo | stilt, black-necked | Himantopus mexicanus | |
| akohekohe | honeycreeper, crested | Palmeria dolei | |
| alae keokeo | coot, American | Fulica americana | |
| alae ula | moorhen, common | Gallinula chloropus | |
| alala | crow, Hawaiian | Corvus hawaiiensis | |
| alauwahio | |||
| Maui | creeper, Maui | Paroreomyza montana | |
| Oahu | creeper, Oahu | Paroreomyza maculata | |
| albatross | |||
| Steller's | albatross, short-tailed | Diomedea albatrus | |
| pink-footed | albatross, yellow-nosed | Diomedea chlororhynchos | |
| white-capped | albatross, shy | Diomedea cauta | |
| amakihi | |||
| Kauai | amakihi, common | Hemignathus virens | |
| lesser | anianiau | Hemignathus parvus | |
| ani | |||
| black | ani, smooth-billed | Crotophaga ani | |
| San Lucas | ani, groove-billed | Crotophaga sulcirostris | |
| ao | shearwater, Townsend's | Puffinus auricularis | |
| auk | |||
| Aleutian | auklet, Cassin's | Ptychoramphus aleuticus | |
| black-throated | murrelet, ancient | Synthliboramphus antiquus | |
| little | dovekie | Alle alle | |
| horn-billed | auklet, rhinoceros | Cerorhinca monocerata | |
| knob-billed | auklet, least | Aethia pusilla | |
| razor-billed | razorbill | Alca torda | |
| baldpate | wigeon, American | Anas americana | |
| becard, Xantus' | becard, rose-throated | Pachyramphus aglaiae | |
| bittern, Cory's | bittern, least | Ixobrychus exilis | |
| blackbird | |||
| bicolored | blackbird, red-winged | Agelaius phoeniceus | |
| cow | cowbird, brown-headed | Molothrus ater | |
| crow | grackle sp. | Quiscalus sp. | |
| red-and-buff-shouldered | blackbird, red-winged | Agelaius phoeniceus | |
| red-and-white-shouldered | blackbird, tricolored | Agelaius tricolor | |
| red-shouldered | blackbird, red-winged | Agelaius phoeniceus | |
| swamp | blackbird, red-winged | Agelaius phoeniceus | |
| white-shouldered | bunting, lark | Calamospiza melanocorys | |
| black-breast | dunlin | Calidris alpina | |
| black-head | duck, ring-necked | Aythya collaris | |
| greater | scaup, greater | Aythya marila | |
| lesser | scaup, lesser | Aythya affinis | |
| ring-billed | duck, ring-necked | Aythya collaris | |
| bluebill | scaup sp. | Aythya marila or affinis | |
| bluebird | |||
| Arctic | bluebird, mountain | Sialia currucoides | |
| azure | bluebird, eastern | Sialia sialis | |
| California | bluebird, western | Sialia mexicana | |
| chestnut-backed | bluebird, western | Sialia mexicana | |
| Florida | bluebird, eastern | Sialia sialis | |
| Mexican | bluebird, western | Sialia mexicana | |
| San Pedro | bluebird, western | Sialia mexicana | |
| Tamaulipas | bluebird, eastern | Sialia sialis | |
| bog-pumper | bittern, American | Botaurus lentiginosus | |
| bogsucker | woodcock, American | Scolopax minor | |
| booby | |||
| blue-faced | booby, masked | Sula dactylatra | |
| Brewster's | booby, brown | Sula leucogaster | |
| red-faced | booby, red-footed | Sula sula | |
| white | booby, masked | Sula dactylatra | |
| white-bellied | booby, brown | Sula leucogaster | |
| bos'n bird | tropicbird sp. | Phaethon sp. | |
| broadbill | scaup sp. | Aythya marila or affinis | |
| brownback | dowitcher, short-billed | Limnodromus griseus | |
| bull-bat | nighthawk, common | Chordeiles minor | |
| bullfinch, Cassin's | bullfinch, Eurasian | Pyrrhula pyrrhula | |
| bullhead | plover, black-bellied | Pluvialis squatarola | |
| bunting | |||
| bay-winged | sparrow, vesper | Pooecetes gramineus | |
| beautiful | bunting, varied | Passerina versicolor | |
| black-throated | dickcissel | Spiza americana | |
| Lapland | longspur, Lapland | Calcarius lapponicus | |
| towhee | towhee, rufous-sided | Pipilo erythrophthalmus | |
| burrion | finch, house | Carpodacus mexicanus | |
| butcher-bird | shrike, loggerhead or | Lanius ludovicianus | |
| shrike, northern | Lanius excubitor | ||
| butterball | bufflehead | Bucephala albeola | |
| buzzard | hawk or vulture | ||
| Mexican | caracara, crested | Polyborus plancus | |
| sooty | hawk, short-tailed | Buteo brachyurus | |
| cahow | petrel, Bermuda | Pterodroma cahow | |
| calico-back | turnstone, ruddy | Arenaria interpres | |
| canary, wild | goldfinch, American or | Carduelis tristis | |
| warbler, yellow | Dendroica petechia | ||
| caracara | |||
| Audubon's | caracara, crested | Polyborus plancus | |
| Florida | caracara, crested | Polyborus plancus | |
| Guadalupe | caracara, crested | Polyborus plancus | |
| cardinal | |||
| Arizona | cardinal, northern | Cardinalis cardinalis | |
| Brazilian | cardinal, red-crested | Paroaria coronata | |
| common | cardinal, northern | Cardinalis cardinalis | |
| crested | cardinal, red-crested | Paroaria coronata | |
| eastern | cardinal, northern | Cardinalis cardinalis | |
| Florida | cardinal, northern | Cardinalis cardinalis | |
| gray-tailed | cardinal, northern | Cardinalis cardinalis | |
| Kentucky | cardinal, northern | Cardinalis cardinalis | |
| Louisiana | cardinal, northern | Cardinalis cardinalis | |
| San Lucas | cardinal, northern | Cardinalis cardinalis | |
| Santa Gertrudis | cardinal, northern | Cardinalis cardinalis | |
| Texas | pyrrhuloxia | Cardinalis sinuatus | |
| cardinal grosbeak | cardinal, northern | Cardinalis cardinalis | |
| catbird | |||
| common | catbird, gray | Dumetella carolinensis | |
| northern | catbird, gray | Dumetella carolinensis | |
| cedar-bird | waxwing, cedar | Bombycilla cedrorum | |
| chachalaca, Texan | chachalaca, plain | Ortalis vetula | |
| chapparal cock | roadrunner, greater | Geococcyx californianus | |
| chat | |||
| ground | yellowthroat, gray-crowned | Geothlypis poliocephala | |
| long-tailed | chat, yellow-breasted | Icteria virens | |
| chatterer, bohemian | waxwing, Bohemian | Bombycilla garrulus | |
| cherry-bird | waxwing, cedar | Bombycilla cedrorum | |
| chewink | towhee, rufous-sided | Pipilo erythrophthalmus | |
| chickadee | |||
| Acadian | chickadee, boreal | Parus hudsonicus | |
| Alaska | tit, Siberian | Parus cinctus | |
| Appalachian | chickadee, black-capped | Parus atricapillus | |
| Bailey's | chickadee, mountain | Parus gambeli | |
| Barlow's | chickadee, chestnut-sided | Parus rufescens | |
| brown-capped | chickadee, boreal | Parus hudsonicus | |
| California | chickadee, chestnut-sided | Parus rufescens | |
| Cascade brown-headed | chickadee, boreal | Parus hudsonicus | |
| Columbian | chickadee, boreal | Parus hudsonicus | |
| Florida | chickadee, Carolina | Parus carolinensis | |
| gray-headed | tit, Siberian | Parus cinctus | |
| Grinnell's | chickadee, mountain | Parus gambeli | |
| Hudsonian | chickadee, boreal | Parus hudsonicus | |
| Inyo | chickadee, mountain | Parus gambeli | |
| long-tailed | chickadee, black-capped | Parus atricapillus | |
| Mrs. Bailey's | chickadee, mountain | Parus gambeli | |
| Nicasio | chickadee, chestnut-sided | Parus rufescens | |
| North Carolina | chickadee, Carolina | Parus carolinensis | |
| Oregon | chickadee, black-capped | Parus atricapillus | |
| plumbeous | chickadee, Carolina | Parus carolinensis | |
| San Pedro | chickadee, mountain | Parus gambeli | |
| short-tailed | chickadee, mountain | Parus gambeli | |
| Siberian | tit, Siberian | Parus cinctus | |
| Texan | chickadee, Carolina | Parus carolinensis | |
| Yukon | chickadee, black-capped | Parus atricapillus | |
| cobhead | goldeneye, common | Bucephala clangula | |
| cock of the plains | grouse, sage | Centrocercus urophasianus | |
| cock robin | merganser, hooded | Lophodytes cucullatus | |
| cock, sage | grouse, sage | Centrocercus urophasianus | |
| cormorant | |||
| Baird's | cormorant, pelagic | Phalacrocorax pelagicus | |
| black | cormorant, great | Phalacrocorax carbo | |
| Brazilian | cormorant, olivaceous | Phalacrocorax olivaceus | |
| common | cormorant, great | Phalacrocorax carbo | |
| European | cormorant, great | Phalacrocorax carbo | |
| Farallon | cormorant, double-crested | Phalacrocorax auritus | |
| Florida | cormorant, double-crested | Phalacrocorax auritus | |
| Mexican | cormorant, olivaceous | Phalacrocorax olivaceus | |
| neotropical | cormorant, olivaceous | Phalacrocorax olivaceus | |
| tufted | cormorant, Brandt's | Phalacrocorax penicillatus | |
| violet-green | cormorant, pelagic | Phalacrocorax pelagicus | |
| white-crested | cormorant, double-crested | Phalacrocorax auritus | |
| white-tufted | cormorant, double-crested | Phalacrocorax auritus | |
| courlan, scolopaceous | limpkin | Aramus guarauna | |
| cowbird | |||
| California | cowbird, brown-headed | Molothrus ater | |
| dwarf | cowbird, brown-headed | Molothrus ater | |
| eastern | cowbird, brown-headed | Molothrus ater | |
| glossy | cowbird, shiny | Molothrus bonariensis | |
| Nevada | cowbird, brown-headed | Molothrus ater | |
| red-eyed | cowbird, bronzed | Molothrus aeneus | |
| crake | |||
| black | rail, black | Laterallus jamaicensis | |
| yellow | rail, yellow | Coturnicops noveboracensis | |
| crane | |||
| blue | heron, great blue | Ardea herodias | |
| European | crane, common | Grus grus | |
| Florida | crane, sandhill | Grus canadensis | |
| little brown | crane, sandhill | Grus canadensis | |
| white | crane, whooping | Grus americanus | |
| creeper | |||
| black-and-white | warbler, black-and-white | Mniotilta varia | |
| California | creeper, brown | Certhia americana | |
| Mexican | creeper, brown | Certhia americana | |
| Nevada | creeper, brown | Certhia americana | |
| Rocky Mountain | creeper, brown | Certhia americana | |
| Sierra | creeper, brown | Certhia americana | |
| small-billed | warbler, black-and-white | Mniotilta varia | |
| southern | creeper, brown | Certhia americana | |
| tawny | creeper, brown | Certhia americana | |
| western | creeper, brown | Certhia americana | |
| crossbill | |||
| American | crossbill, red | Loxia curvirostra | |
| Bendire's | crossbill, red | Loxia curvirostra | |
| Bent's | crossbill, red | Loxia curvirostra | |
| common | crossbill, red | Loxia curvirostra | |
| Grinnell's | crossbill, red | Loxia curvirostra | |
| Mexican | crossbill, red | Loxia curvirostra | |
| Newfoundland | crossbill, red | Loxia curvirostra | |
| Sitka | crossbill, red | Loxia curvirostra | |
| crow | |||
| carrion | vulture, black | Coragyps atratus | |
| Clark's | nutcracker, Clark's | Nucifraga columbiana | |
| common | crow, American | Corvus brachyrhynchos | |
| eastern | crow, American | Corvus brachyrhynchos | |
| Florida | crow, American | Corvus brachyrhynchos | |
| Porto Rican | crow, white-necked | Corvus leucognaphalus | |
| southern | crow, American | Corvus brachyrhynchos | |
| western | crow, American or | Corvus brachyrhynchos | |
| crow, northwestern | Corvus caurinus | ||
| white-necked1 | raven, Chihuahuan | Corvus cryptoleucus | |
| crow blackbird | |||
| boat-tailed | grackle, boat-tailed | Quiscalus major | |
| bronzed | grackle, common | Quiscalus quiscula | |
| Florida | grackle, common | Quiscalus quiscula | |
| great-tailed | grackle, great-tailed | Quiscalus mexicanus | |
| purple | grackle, common | Quiscalus quiscula | |
| cuckoo | |||
| black-eared | cuckoo, mangrove | Coccyzus minor | |
| California | cuckoo, yellow-billed | Coccyzus americana | |
| ground | roadrunner, greater | Geococcyx californianus | |
| Himalayan | cuckoo, Oriental | Cuculus saturatus | |
| Khasia Hills | cuckoo, common | Cuculus canorus | |
| Maynard's | cuckoo, mangrove | Coccyzus minor | |
| curlew | |||
| common | curlew, Eurasian | Numenius arquata | |
| Hudsonian | whimbrel | Numenius phaeopus | |
| jack | whimbrel | Numenius phaeopus | |
| northern | curlew, long-billed | Numenius americanus | |
| Otahiti | curlew, bristle-thighed | Numenius tahitiensis | |
| sicklebill | curlew, long-billed | Numenius americanus | |
| dabchick, pied-billed | grebe, pied-billed | Podilymbus podiceps | |
| darter | |||
| American | anhinga | Anhinga anhinga | |
| big blue | hawk, Cooper's | Accipiter cooperii | |
| little blue | hawk, sharp-shinned | Accipiter velox | |
| dipper, Mexican | dipper, American | Cinclus mexicanus | |
| diver | |||
| black-throated2 | loon, Arctic | Gavia arctica | |
| great northern | loon, common | Gavia immer | |
| red-throated | loon, red-throated | Gavia stellata | |
| white-billed | loon, yellow-billed | Gavia adamsii | |
| dove | |||
| Barbary | turtle-dove, ringed | Streptopelia risoria | |
| barred | dove, zebra | Geopelia striata | |
| Carolina | dove, mourning | Zenaida carolinensis | |
| common | dove, mourning | Zenaida carolinensis | |
| red | pigeon, red-billed | Columba flavirostris | |
| scaled | dove, Inca | Columbina inca | |
| sea | dovekie | Alle alle | |
| white-bellied | dove, Caribbean | Leptotila jamaicensis | |
| white-fronted | dove, white-tipped | Leptotila verreauxi | |
| dowitcher, eastern | dowitcher, short-billed | Limnodromus griseus | |
| duck | |||
| acorn | duck, wood | Aix sponsa | |
| Bahama | pintail, white-cheeked | Anas bahamensis | |
| black | duck, American black | Anas rubripes | |
| Carolina | duck, wood | Aix sponsa | |
| dusky | duck, mottled | Anas fulvigula | |
| eider | eider, northern | Somateria mollissima | |
| falcated | teal, falcated | Anas falcata | |
| fish | merganser, red-breasted | Mergus serrator | |
| Florida | duck, mottled | Anas fulvigula | |
| gray | gadwall | Anas strepera | |
| green-headed | mallard | Anas platyrhynchos | |
| long-tailed | oldsquaw | Clangula hyemalis | |
| Mexican | mallard | Anas platyrhynchos | |
| New Mexican | mallard | Anas platyrhynchos | |
| red-legged | duck, American black | Anas rubripes | |
| sleepy | duck, ruddy | Oxyura jamaicensis | |
| spirit | bufflehead | Bucephala albeola | |
| spoonbill | shoveler, northern | Anas clypeata | |
| St. Domingo | duck, masked | Oxyura dominica | |
| summer | duck, wood | Aix sponsa | |
| surf | scoter, surf | Melanitta perspicillata | |
| tree- | whistling-duck | Dendrocygna sp. | |
| dunk-a-doo | bittern, American | Botaurus lentiginosus | |
| eagle | |||
| American | eagle, bald | Haliaeetus leucocephalus | |
| caracara | caracara, crested | Polyborus plancus | |
| gray sea | eagle, white-tailed | Haliaeetus albicilla | |
| Mexican | caracara, crested | Polyborus plancus | |
| Washington | eagle, bald | Haliaeetus leucocephalus | |
| white-headed | eagle, bald | Haliaeetus leucocephalus | |
| egret | |||
| American | egret, great | Casmerodius albus | |
| Brewster's | egret, snowy | Egretta thula | |
| common | egret, great | Casmerodius albus | |
| Dickey's | egret, reddish | Egretta rufescens | |
| little white | egret, snowy | Egretta thula | |
| white | egret, great | Casmerodius albus | |
| eider | |||
| American | eider, northern | Somateria mollissima | |
| black-throated | eider, northern | Somateria mollissima | |
| Fischer's | eider, spectacled | Somateria fischeri | |
| little | eider, Steller's | Polysticta stelleri | |
| Pacific | eider, northern | Somateria mollissima | |
| Siberian | eider, Steller's | Polysticta stelleri | |
| elaenia, Antillean | elaenia, Caribbean | Elaenia martinica | |
| euphonia, Porto Rican | euphonia, Antillean | Euphonia musica | |
| falcon | |||
| American lanner | falcon, prairie | Falco mexicanus | |
| femoral | falcon, aplomado | Falco femoralis | |
| Iceland | gyrfalcon | Falco rusticolus | |
| Peale's | falcon, peregrine | Falco peregrinus | |
| finch | |||
| Abert's | towhee, Abert's | Pipilo aberti | |
| Arizona summer | sparrow, Botteri's | Aimophila botterii | |
| Arkansas | goldfinch, lesser | Carduelis psaltria | |
| Bachman's summer | sparrow, Bachman's | Aimophila aestivalis | |
| Bell's | sparrow, sage | Amphispiza belli | |
| Bendire's summer | sparrow, rufous-winged | Aimophila carpalis | |
| black-throated | sparrow, black-throated | Amphispiza bilineata | |
| Boucard's summer | sparrow, rufous-crowned | Aimophila ruficeps | |
| brown | towhee, brown | Pipilo fuscus | |
| canon | towhee, brown | Pipilo fuscus | |
| Cassin's | finch, Cassin's or | Carpodacus cassinii | |
| sparrow, Cassin's | Aimophila cassinii | ||
| Cassin's purple | finch, Cassin's | Carpodacus cassinii | |
| Cassin's summer | sparrow, Cassin's | Aimophila cassinii | |
| crimson-fronted | finch, house | Carpodacus mexicanus | |
| grass | sparrow, vesper | Pooecetes gramineus | |
| gray-capped | finch, rosy | Leucosticte arctoa | |
| gray-crowned | finch, rosy | Leucosticte arctoa | |
| gray-eared | finch, rosy | Leucosticte arctoa | |
| green3 | sparrow, olive or | Arremonops rufivirgatus | |
| towhee, green-tailed | Pipilo chlorurus | ||
| green singing | canary, yellow-fronted | Serinus mozambicus | |
| grosbeak | grosbeak, Kona | Chloridops kona | |
| Hepburn's | finch, rosy | Leucosticte arctoa | |
| Illinois summer | sparrow, Bachman's | Aimophila aestivalis | |
| indigo painted | bunting, indigo | Passerina cyanea | |
| lark | sparrow, lark | Chondestes grammacus | |
| lazuli painted | bunting, lazuli | Passerina amoena | |
| Lincoln's | sparrow, Lincoln's | Melospiza lincolnii | |
| Nevada | sparrow, Bell's | Amphispiza belli | |
| painted | bunting, painted | Passerina ciris | |
| pine | siskin, pine | Carduelis pinus | |
| red-capped | sparrow, rufous-crowned | Aimophila ruficeps | |
| rose-breasted | finch, house | Carpodacus mexicanus | |
| seaside | sparrow, seaside | Ammodramus maritimus | |
| sharp-tailed | sparrow, sharp-tailed | Ammodramus caudacutus | |
| Siberian | finch, rosy | Leucosticte arctoa | |
| St. Lucas | sparrow, savannah | Passerculus sandwichensis | |
| versicolor painted | bunting, varied | Passerina versicolor | |
| western white-crowned | sparrow, white-crowned | Zonotrichia leucophrys | |
| flamingo, American | flamingo, greater | Phoenicopterus ruber | |
| flicker | |||
| boreal | flicker, northern | Colaptes auratus | |
| common | flicker, northern | Colaptes auratus | |
| gilded | flicker, northern | Colaptes auratus | |
| Guadalupe | flicker, northern | Colaptes auratus | |
| Malherbe's | flicker, northern | Colaptes auratus | |
| Mearns' | flicker, northern | Colaptes auratus | |
| northwestern | flicker, northern | Colaptes auratus | |
| red-shafted | flicker, northern | Colaptes auratus | |
| San Fernando | flicker, northern | Colaptes auratus | |
| San Pedro | flicker, northern | Colaptes auratus | |
| southern | flicker, northern | Colaptes auratus | |
| yellow-shafted | flicker, northern | Colaptes auratus | |
| flycatcher | |||
| Arizona crested | flycatcher, brown-crested | Myiarchus tyrannulus | |
| Arkansas | kingbird, western | Tyrannus verticalis | |
| beardless | beardless-tyrannulet, northern | Camptostoma imberbe | |
| black | phoebe, black or | Sayornis nigricans | |
| phainopepla | Phainopepla nitens | ||
| black-tailed | gnatcatcher, black-tailed | Polioptila melanura | |
| blue-gray | gnatcatcher, blue-gray | Polioptila caerulea | |
| blue-headed | vireo, solitary | Vireo solitarius | |
| Cassin's | kingbird, Cassin's | Tyrannus vociferans | |
| Coue's | pewee, greater | Contopus pertinax | |
| derby | kiskadee, great | Pitangus sulphuratus | |
| grayish | flycatcher, dusky | Empidonax oberholseri | |
| green-crested | flycatcher, Acadian | Empidonax virescens | |
| kiskadee | kiskadee, great | Pitangus sulphuratus | |
| Lawrence's crested | flycatcher, dusky-capped | Myiarchus tuberculifer | |
| lead-colored | gnatcatcher, black-tailed | Polioptila melanura | |
| little | flycatcher, willow | Empidonax traillii | |
| little western | flycatcher, willow | Empidonax traillii | |
| Lord Derby's | kiskadee, great | Pitangus sulphuratus | |
| Lower California | flycatcher, ash-throated | Myiarchus cinerascens | |
| Mexican crested | flycatcher, brown-crested | Myiarchus tyrannulus | |
| northern crested | flycatcher, great crested | Myiarchus crinitus | |
| olivaceous | flycatcher, dusky-capped | Myiarchus tuberculifer | |
| pale-throated | flycatcher, Nutting's | Myiarchus nuttingi | |
| pewit | phoebe sp. | Sayornis sp. | |
| red | flycatcher, vermilion | Pyrocephalus rubinus | |
| rufous-tailed crested | flycatcher, great crested | Myiarchus crinitus | |
| San Lucas | flycatcher, western | Empidonax difficilis | |
| Say's | phoebe | Sayornis saya | |
| southern crested | flycatcher, great crested | Myiarchus crinitus | |
| swallow-tailed | flycatcher, fork-tailed | Tyrannus savana | |
| Townsend's | solitaire, Townsend's | Myadestes townsendi | |
| Traill's | flycatcher, willow | Empidonax traillii | |
| or alder | Empidonax alnorum | ||
| tyrant | kingbird sp. | Tyrannus sp. | |
| Wied's crested | flycatcher, brown-crested | Myiarchus tyrannulus | |
| western yellow-bellied | flycatcher, western | Empidonax difficilis | |
| Wright's4 | flycatcher, gray | Empidonax wrightii | |
| or dusky | Empidonax oberholseri | ||
| fly-up-the-creek | heron, green-backed | Butorides striatus | |
| frigatebird, least | frigatebird, lesser | Fregata ariel | |
| fulmar | |||
| Atlantic | fulmar, northern | Fulmaris glacialis | |
| Pacific | fulmar, northern | Fulmaris glacialis | |
| Rodgers' | fulmar, northern | Fulmaris glacialis | |
| slender-billed | fulmar, southern | Fulmaris glacialoides | |
| gallinule | |||
| common | moorhen, common | Gallinula chloropus | |
| Florida | moorhen, common | Gallinula chloropus | |
| gannet, booby | booby, brown | Sula leucogaster | |
| garrot | goldeneye sp. | Bucephala sp. | |
| gnatcatcher5 | |||
| plumbeous | gnatcatcher, black-tailed | Polioptila melanura | |
| Margarita | gnatcatcher, California | Polioptila californica | |
| San Francisquito | gnatcatcher, California | Polioptila californica | |
| San Lucas | gnatcatcher, blue-gray | Polioptila caerulea | |
| Sonora | gnatcatcher, black-tailed | Polioptila melanura | |
| western | gnatcatcher, blue-gray | Polioptila caerulea | |
| Xantus' | gnatcatcher, California | Polioptila californica | |
| godwit | |||
| Pacific | godwit, bar-tailed | Limosa lapponica | |
| white-rumped | godwit, bar-tailed | Limosa lapponica | |
| goldeneye, American | goldeneye, common | Bucephala clangula | |
| goldfinch | |||
| Arkansas | goldfinch, lesser | Carduelis psaltria | |
| California | goldfinch, American | Carduelis tristis | |
| dark-backed | goldfinch, lesser | Carduelis psaltria | |
| eastern | goldfinch, American | Carduelis tristis | |
| green-backed | goldfinch, lesser | Carduelis psaltria | |
| Mexican | goldfinch, lesser | Carduelis psaltria | |
| northwestern | goldfinch, American | Carduelis tristis | |
| pale | goldfinch, American | Carduelis tristis | |
| pine | siskin, pine | Carduelis pinus | |
| western | goldfinch, American | Carduelis tristis | |
| willow | goldfinch, American | Carduelis tristis | |
| yellow | goldfinch, American | Carduelis tristis | |
| gooney (bird) | |||
| black | albatross, black-footed | Diomedea nigripes | |
| brown | albatross, black-footed | Diomedea nigripes | |
| white | albatross, Laysan | Diomedea immutabilis | |
| goosander | merganser, common | Mergus merganser | |
| goose | |||
| blue | goose, snow | Chen caerulescens | |
| blue-winged | goose, snow | Chen caerulescens | |
| brent | brant | Branta bernicla | |
| cackling | goose, Canada | Branta canadensis | |
| common wild | goose, Canada | Branta canadensis | |
| Hutchins' | goose, Canada | Branta canadensis | |
| painted | goose, emperor | Chen canagica | |
| Richardson's | goose, Canada | Branta canadensis | |
| ring-neck | goose, Canada | Branta canadensis | |
| solan | gannet, northern | Sula bassana | |
| tule | goose, greater white-fronted | Anser albifrons | |
| tundra | goose, Canada | Branta canadensis | |
| west coast | goose, Canada | Branta canadensis | |
| white-cheeked | goose, Canada | Branta canadensis | |
| goshawk, Mexican | hawk, gray or | Buteo nitidus | |
| goshawk, northern | Accipiter gentilis | ||
| grackle | |||
| blue-headed | blackbird, Brewer's | Euphagus cyanocephalus | |
| bronzed | grackle, common | Quiscalus quiscula | |
| Florida | grackle, common | Quiscalus quiscula | |
| Porto Rican | grackle, Greater Antillean | Quiscalus niger | |
| purple | grackle, common | Quiscalus quiscula | |
| rusty | blackbird, rusty | Euphagus carolinus | |
| grassquit, Bahama | grassquit, black-faced | Tiaris bicolor | |
| Bryant's | grassquit, yellow-faced | Tiaris olivacea | |
| grayback | knot, red | Calidris canutus | |
| greater | dowitcher, long-billed | Limnodromus scolopaceus | |
| grebe | |||
| black-necked | grebe, eared | Podiceps nigricollis | |
| Holboell's | grebe, red-necked | Podiceps grisegena | |
| Mexican | grebe, least | Tachybaptus dominicus | |
| Santo Domingo | grebe, least | Tachybaptus dominicus | |
| Slavonian | grebe, horned | Podiceps auritus | |
| swan6 | grebe, western | Aechmophorus occidentalis | |
| swan-necked6 | grebe, western | Aechmophorus occidentalis | |
| greenlet | |||
| Bell's | vireo, Bell's | Vireo bellii | |
| black-capped | vireo, black-capped | Vireo atricapillus | |
| black-headed | vireo, black-capped | Vireo atricapillus | |
| black-whiskered | vireo, black-whiskered | Vireo altiloquus | |
| blue-headed | vireo, solitary | Vireo solitarius | |
| brotherly-love | vireo, Philadelphia | Vireo philadelphicus | |
| Cassin's | vireo, solitary | Vireo solitarius | |
| gray | vireo, gray | Vireo vicinior | |
| Hutton's | vireo, Hutton's | Vireo huttoni | |
| lead-colored | vireo, solitary | Vireo solitarius | |
| least | vireo, Bell's | Vireo bellii | |
| plumbeous | vireo, solitary | Vireo solitarius | |
| red-eyed | vireo, red-eyed | Vireo olivaceus | |
| Swainson's warbling | vireo, warbling | Vireo gilvus | |
| warbling | vireo, warbling | Vireo gilvus | |
| white-eyed | vireo, white-eyed | Vireo griseus | |
| yellow-green | vireo, red-eyed | Vireo olivaceus | |
| yellow-throated | vireo, yellow-throated | Vireo flavifrons | |
| grosbeak | |||
| cardinal | cardinal, northern | Cardinalis cardinalis | |
| purple-breasted | grosbeak, rose-breasted | Pheucticus ludovicianus | |
| Rocky Mountain | grosbeak, black-headed | Pheucticus melanocephalus | |
| scarlet | rosefinch, common | Carpodacus erythrinus | |
| van Rossem's | grosbeak, yellow. | Pheucticus chrysopeplus | |
| Vigors' | grosbeak, yellow | Pheucticus chrysopeplus | |
| ground-dove | |||
| Bahama | ground-dove, common | Columbina passerina | |
| Cape | ground-dove, common | Columbina passerina | |
| eastern | ground-dove, common | Columbina passerina | |
| Mexican | ground-dove, common | Columbina passerina | |
| scaly-breasted | ground-dove, common | Columbina passerina | |
| ground-robin | towhee, rufous-sided | Pipilo erythrophthalmus | |
| grouse | |||
| Canada | grouse, spruce | Dendragapus canadensis | |
| dusky | grouse, blue | Dendragapus obscurus | |
| Fleming's | grouse, blue | Dendragapus obscurus | |
| Franklin's | grouse, spruce | Dendragapus canadensis | |
| fuliginous | grouse, blue | Dendragapus obscurus | |
| Mount Pinos | grouse, blue | Dendragapus obscurus | |
| Oregon | grouse, ruffed | Bonasa umbellus | |
| pinnated | prairie-chicken, greater | Tympanuchus cupido | |
| Richardson's | grouse, blue | Dendragapus obscurus | |
| Sierra | grouse, blue | Dendragapus obscurus | |
| Sitka | grouse, blue | Dendragapus obscurus | |
| sooty | grouse, blue | Dendragapus obscurus | |
| willow | ptarmigan, willow | Lagopus lagopus | |
| guan, Texas | chachalaca, plain | Ortalis vetula | |
| guillemot | murre, common | Uria aalge | |
| Arctic | guillemot, black | Cepphus grylle | |
| California | murre, common | Uria aalge | |
| common | murre, common | Uria aalge | |
| Brunnich's | murre, thick-billed | Uria lomvia | |
| Mandt's | guillemot, black | Cepphus grylle | |
| gull | |||
| common | gull, mew | Larus canus | |
| fork-tailed | gull, Sabine's | Xema sabini | |
| Kamchatka | gull, mew | Larus canus | |
| Kumlien's | gull, Iceland | Larus glaucoides | |
| Nelson's | hybrid | Larus hyperboreus x | |
| argentatus | |||
| short-billed | gull, mew | Larus canus | |
| Vega | gull, herring | Larus argentatus | |
| wedge-tailed | gull, Ross' | Rhodostethia rosea | |
| white-winged | gull, Iceland | Larus glaucoides | |
| Wyman's | gull, western7 | Larus occidentalis | |
| hagdon | |||
| black | shearwater, sooty | Puffinus griseus | |
| petrel | shearwater, greater | Puffinus gravis | |
| hairbird | sparrow, chipping | Spizella passerina | |
| hawk | |||
| anthracite | black-hawk, common | Buteogallus anthracinus | |
| Arizona | falcon, aplomado | Falco femoralis | |
| band-tailed black | hawk, zone-tailed | Buteo albonotatus | |
| bay-winged | hawk, Harris' | Parabuteo unicintus | |
| black-shouldered | kite, black-shouldered | Elanus caeruleus | |
| brown | hawk, Swainson's | Buteo swainsoni | |
| California | hawk, red-tailed | Buteo jamaicensis | |
| Cooper's buzzard | hawk, red-tailed | Buteo jamaicensis | |
| duck | falcon, peregrine | Falco peregrinus | |
| elegant | hawk, red-shouldered | Buteo lineatus | |
| ferruginous rough-leg | hawk, ferruginous | Buteo regalis | |
| fish | osprey | Pandion carolinensis | |
| Fuertes' | hawk, red-tailed | Buteo jamaicensis | |
| gray-lined | hawk, gray | Buteo nitidus | |
| Gruber's | hawk, Hawaiian | Buteo solitarius | |
| Harlan's | hawk, red-tailed | Buteo jamaicensis | |
| Krider's | hawk, red-tailed | Buteo jamaicensis | |
| large-billed | hawk, roadside | Buteo magnirostris | |
| marsh | harrier, northern | Circus cyaneus | |
| Mexican | hawk, Cooper's | Accipiter cooperii | |
| Mexican black | black-hawk, common | Buteogallus anthracinus | |
| pigeon | merlin | Falco columbarius | |
| prairie | falcon, prairie | Falco mexicanus | |
| red-bellied | hawk, red-shouldered | Buteo lineatus | |
| rusty squirrel | hawk, ferruginous | Buteo regalis | |
| sharp-winged | hawk, Swainson's | Buteo swainsoni | |
| sparrow8 | kestrel, American | Falco sparverius | |
| St. John's black | hawk, rough-legged | Buteo lagopus | |
| winter | hawk, red-shouldered | Buteo lineatus | |
| hen | |||
| heath | prairie-chicken, greater | Tympanuchus cupido | |
| Indian | bittern, American | Botaurus lentiginosus | |
| marsh, fresh-water | rail, king | Rallus elegans | |
| prairie | prairie-chicken, greater | Tympanuchus cupido | |
| sage | grouse, sage | Centrocercus urophasianus | |
| salt marsh | rail, clapper | Rallus longirostris | |
| hell-diver9 | grebe, horned | Podiceps auritus | |
| heron | |||
| American night | night-heron, black-crowned | Nycticorax nycticorax | |
| Anthony's green | heron, green-backed | Butorides striatus | |
| Bancroft's night | night-heron, yellow-crowned | Nycticorax violaceus | |
| buff-backed | egret, cattle | Bubulcus ibis | |
| California | heron, great blue | Ardea herodias | |
| eastern green | heron, green-backed | Butorides striatus | |
| Espiritu Santo | heron, great blue | Ardea herodias | |
| Florida | heron, great blue | Ardea herodias | |
| Frazar's green | heron, green-backed | Butorides striatus | |
| great white | heron, great blue | Ardea herodias | |
| little green | heron, green-backed | Butorides striatus | |
| Louisiana | heron, tricolored | Egretta tricolor | |
| northwestern coast | heron, great blue | Ardea herodias | |
| San Lucas | heron, great blue | Ardea herodias | |
| Treganza's | heron, great blue | Ardea herodias | |
| Ward's | heron, great blue | Ardea herodias | |
| hill-robin, Japanese honeycreeper | leiothrix, red-billed | Leiothrix lutea | |
| Bahama | bananaquit | Coereba flaveola | |
| black-faced | poo-uli | Melamprosops phaeosoma | |
| Laysan | apapane | Himatione sanguinea | |
| honker | Canada goose | Branta canadensis | |
| hummingbird | |||
| Alexander | hummingbird, black-chinned | Archilochus alexandri | |
| black-fronted | hummingbird, Xantus' | Hylocharis xantusii | |
| Circe | hummingbird, broad-billed | Cyanthus latirostris | |
| dusky-tailed | hummingbird, rufous-tailed | Amazilia tzacatl | |
| fawn-breasted | hummingbird, buff-bellied | Amazilia yucatanensis | |
| Heloise's | hummingbird, bumblebee | Atthis heloisa | |
| Morcom's | hummingbird, bumblebee | Atthis heloisa | |
| red-backed | hummingbird, rufous | Selasphorus rufus | |
| refulgent | hummingbird, magnificent | Eugenes fulgens | |
| Rieffer's | hummingbird, rufous-tailed | Amazilia tzacatl | |
| Rivoli's | hummingbird, magnificent | Eugenes fulgens | |
| Yucatan | hummingbird, buff-bellied | Amazilia yucatanensis | |
| hwa-mei | laughing-thrush, melodious | Garrulax canorus | |
| ibis, wood | stork, wood | Mycteria americana | |
| indigo bird | bunting, indigo | Passerina cyanea | |
| io | hawk, Hawaiian | Buteo solitarius | |
| jacana, Mexican | jacana, northern | Jacana spinosa | |
| jay | |||
| Alaska | jay, gray | Perisoreus canadensis | |
| Alberta | jay, gray | Perisoreus canadensis | |
| Anticosti | jay, gray | Perisoreus canadensis | |
| Arizona | jay, gray-breasted | Aphelocoma ultramarina | |
| Belding's | jay, scrub | Aphelocoma coerulescens | |
| black-headed | jay, Steller's | Cyanocitta stelleri | |
| blue-eared | jay, scrub | Aphelocoma coerulescens | |
| blue-fronted | jay, Steller's | Cyanocitta stelleri | |
| California | jay, scrub | Aphelocoma coerulescens | |
| Canada | jay, gray | Perisoreus canadensis | |
| coast | jay, Steller's | Cyanocitta stelleri | |
| connective | jay, Steller's | Cyanocitta stelleri | |
| Couch's | jay, gray-breasted | Aphelocoma ultramarina | |
| desert California | jay, scrub | Aphelocoma coerulescens | |
| Florida | jay, scrub | Aphelocoma coerulescens | |
| Grinnell's | jay, Steller's | Cyanocitta stelleri | |
| Idaho | jay, gray | Perisoreus canadensis | |
| Inca | jay, green | Cyanocorax yncas | |
| Labrador | jay, gray | Perisoreus canadensis | |
| long-crested | jay, Steller's | Cyanocitta stelleri | |
| long-tailed | jay, scrub | Aphelocoma coerulescens | |
| Maximillian's | jay, pinyon | Gymnorhinus cyanocephalus | |
| Mexican | jay, gray-breasted | Aphelocoma ultramarina | |
| Nevada crested | jay, Steller's | Cyanocitta stelleri | |
| Nicasio | jay, scrub | Aphelocoma coerulescens | |
| Oregon | jay, gray | Perisoreus canadensis | |
| Osgood's | jay, Steller's | Cyanocitta stelleri | |
| Queen Charlotte | jay, Steller's | Cyanocitta stelleri | |
| Red Deer | jay, gray | Perisoreus canadensis | |
| Rio Grande | jay, green | Cyanocorax yncas | |
| Rocky Mountain | jay, gray | Perisoreus canadensis | |
| Santa Cruz | jay, scrub | Aphelocoma coerulescens | |
| Sieber's | jay, gray-breasted | Aphelocoma ultramarina | |
| Sierra Nevada | jay, Steller's | Cyanocitta stelleri | |
| Texas | jay, scrub | Aphelocoma coerulescens | |
| ultramarine | jay, gray-breasted | Aphelocoma ultramarina | |
| white-headed | jay, gray | Perisoreus canadensis | |
| Woodhouse's | jay, scrub | Aphelocoma coerulescens | |
| Xantus' | jay, scrub | Aphelocoma coerulescens | |
| junco | |||
| Arizona | junco, yellow-eyed | Junco phaeonotus | |
| Baird's | junco, dark-eyed | Junco hyemalis | |
| Carolina | junco, dark-eyed | Junco hyemalis | |
| gray-headed | junco, dark-eyed | Junco hyemalis | |
| Guadalupe | junco, dark-eyed | Junco hyemalis | |
| Laguna Hanson | junco, dark-eyed | Junco hyemalis | |
| Mexican | junco, yellow-eyed | Junco phaeonotus | |
| Montana | junco, dark-eyed | Junco hyemalis | |
| Nevada | junco, dark-eyed | Junco hyemalis | |
| Oregon | junco, dark-eyed | Junco hyemalis | |
| pink-sided | junco, dark-eyed | Junco hyemalis | |
| Point Pinos | junco, dark-eyed | Junco hyemalis | |
| red-backed | junco, dark-eyed | Junco hyemalis | |
| Ridgway's | junco, dark-eyed | Junco hyemalis | |
| Shufeldt's | junco, dark-eyed | Junco hyemalis | |
| slate-colored | junco, dark-eyed | Junco hyemalis | |
| Thurber's | junco, dark-eyed | Junco hyemalis | |
| Townsend's | junco, dark-eyed | Junco hyemalis | |
| white-winged | junco, dark-eyed | Junco hyemalis | |
| red-backed | junco, yellow-eyed | Junco phaeonotus | |
| kakawahie | creeper, Molokai | Paroreomyza flammea | |
| kestrel, Dixie | kestrel, American | Falco sparverius | |
| kingbird | |||
| Arkansas | kingbird, western | Tyrannus verticalis | |
| Lichtenstein's | kingbird, tropical10 | Tyrannus melancholicus | |
| thornscrub | kingbird, Couch's | Tyrannus couchii | |
| west Mexican | kingbird, tropical | Tyrannus melancholicus | |
| kingfisher, Texas | kingfisher, green | Chloroceryle americana | |
| kinglet | |||
| dusky | kinglet, ruby-crowned | Regulus calendula | |
| Sitka | kinglet, ruby-crowned | Regulus calendula | |
| kite | |||
| Cuban | kite, hook-billed | Chondrohierax uncinatus | |
| Everglade | kite, snail | Rostrhamus sociabilis | |
| white-tailed | kite, black-shouldered | Elanus caeruleus | |
| kittiwake | |||
| Atlantic | kittiwake, black-legged | Rissa tridactyla | |
| Kotzebue's | kittiwake, black-legged | Rissa tridactyla | |
| Pacific | kittiwake, black-legged | Rissa tridactyla | |
| short-billed | kittiwake, red-legged | Rissa brevirostris | |
| knot | |||
| American | knot, red | Calidris canutus | |
| eastern Asiatic | knot, great | Calidris tenuirostris | |
| koa-finch | |||
| orange | koa-finch, greater | Rhodocanthis palmeri | |
| yellow-headed | koa-finch, lesser | Rhodocanthis flaviceps | |
| koloa | duck, Hawaiian | Anas wyvilliana | |
| lark | |||
| brown | pipit, water | Anthus spinoletta | |
| field | meadowlark, eastern | Sturnella magna | |
| shore | lark, horned | Eremophila alpestris | |
| Sprague's | pipit, Sprague's | Anthus spragueii | |
| western | meadowlark , western | Sturnella neplecta | |
| laughing-thrush | |||
| black-gorgeted | laughing-thrush, greater | ||
| necklaced | Garrulax pectoralis | ||
| spectacled | laughing-thrush, melodious | Garrulax canorus | |
| lawyer | stilt, black-necked | Himantopus mexicanus | |
| leucosticte | |||
| Aleutian | finch, rosy | Leucosticte arctoa | |
| black | finch, rosy | Leucosticte arctoa | |
| brown-capped | finch, rosy | Leucosticte arctoa | |
| gray-crowned | |||