| Black-bellied Whistling-Duck |
Dendrocygna autumnalis |
| Fulvous Whistling-Duck |
Dendrocygna bicolor |
| Ross's Goose |
Chen rossii |
| Barnacle Goose |
Branta leucopsis |
| Cackling Goose |
Branta hutchinsii |
| Cinnamon Teal |
Anas cyanoptera |
| Garganey |
Anas querquedula |
| Tufted Duck (female & imm.) |
Aythya fuligula |
| Masked Duck |
Nomonyx dominicus |
| Willow Ptarmigan |
Lagopus lagopus |
| Pacific Loon |
Gavia pacifica |
| Eared Grebe |
Podiceps nigricollis |
| Western Grebe |
Aechmophorus occidentalis |
| Yellow-nosed Albatross |
Thalassarche chlororhynchos |
| Black-browed Albatross |
Thalassarche melanophris |
| Black-capped Petrel |
Pterodroma hasitata |
| Audubon's Shearwater |
Puffinus lherminieri |
| White-faced Storm-Petrel |
Pelagodroma marina |
| Band-rumped Storm-Petrel |
Oceanodroma castro |
| White-tailed Tropicbird |
Phaethon lepturus |
| Red-billed Tropicbird |
Phaethon aethereus |
| Brown Booby |
Sula leucogaster |
| American White Pelican |
Pelecanus erythrorhynchos |
| Brown Pelican |
Pelecanus occidentalis |
| Anhinga |
Anhinga anhinga |
| Magnificent Frigatebird |
Fregata magnificens |
| Little Egret |
Egretta garzetta |
| Western Reef-Heron |
Egretta gularis |
| Reddish Egret |
Egretta rufescens |
| White Ibis |
Plegadis falcinellus |
| White-faced Ibis |
Plegadis chihi |
| Wood Stork |
Mycteria americana |
| Swallow-tailed Kite |
Elanoides forficatus |
| White-tailed Kite |
Elanus leucurus |
| Mississippi Kite |
Ictinia mississippiensis |
| White-tailed Eagle |
Haliaeetus albicilla |
| Swainson's Hawk |
Buteo swainsoni |
| Eurasian Kestrel |
Falco tinnunculus |
| Red-footed Falcon |
Falco vespertinus |
| Yellow Rail |
Coturnicops noveboracensis |
| Black Rail |
Laterallus jamaicensis |
| Northern Lapwing |
Vanellus vanellus |
| Pacific Golden-Plover |
Pluvialis fulva |
| Snowy Plover |
Charadrius alexandrinus |
| Wilson's Plover |
Charadrius wilsonia |
| Common Ringed Plover |
Charadrius hiaticula |
| Mountain Plover |
Charadrius montanus |
| Spotted Redshank |
Tringa erythropus |
| Wandering Tattler |
Heteroscelus incanus |
| Terek Sandpiper |
Xenus cinereus |
| Eskimo Curlew |
Numenius borealis |
| Eurasian Curlew |
Numenius arquata |
| Long-billed Curlew |
Numenius americanus |
| Black-tailed Godwit |
Limosa limosa |
| Bar-tailed Godwit |
Limosa lapponica |
| Red-necked Stint |
Calidris ruficollis |
| Little Stint |
Calidris minuta |
| Sharp-tailed Sandpiper |
Calidris acuminata |
| Curlew Sandpiper (non-alternate plumage) |
Calidris ferruginea |
| Broad-billed Sandpiper |
Limicola falcinellus |
| Great Skua |
Stercorarius skua |
| South Polar Skua |
Stercorarius maccormicki |
| Long-tailed Jaeger |
Stercorarius longicaudus |
| Franklin's Gull |
Larus pipixcan |
| Black-tailed Gull |
Larus crassirostris |
| Mew Gull |
Larus canus |
| California Gull |
Larus californicus |
| Yellow-legged Gull |
Larus michahellis |
| Thayer's Gull |
Larus thayeri |
| Slaty-backed Gull |
Larus schistisagus |
| Ross's Gull |
Rhodostethia rosea |
| Ivory Gull |
Pagophila eburnea |
| Gull-billed Tern |
Sterna nilotica |
| Elegant Tern |
Sterna elegans |
| Sandwich Tern |
Sterna sandvicensis |
| Bridled Tern |
Sterna anaethetus |
| Sooty Tern |
Sterna fuscata |
| White-winged Tern |
Chlidonias leucopterus |
| Brown Noddy |
Anous stolidus |
| Long-billed Murrelet |
Brachyramphus perdix |
| Ancient Murrelet |
Synthliboramphus antiquus |
| Band-tailed Pigeon |
Patagioenas fasciata |
| European Turtle-Dove |
Streptopelia turtur |
| Eurasian Collared-Dove |
Streptopelia decaocto |
| White-winged Dove |
Zenaida asiatica |
| Common Ground-Dove |
Columbina passerina |
| Common Cuckoo |
Cuculus canorus |
| Northern Hawk Owl |
Surnia ulula |
| Burrowing Owl |
Athene cunicularia |
| Great Gray Owl |
Strix nebulosa |
| Boreal Owl |
Aegolius funereus |
| Broad-billed Hummingbird |
Cynanthus latirostris |
| Black-chinned Hummingbird |
Archilochus alexandri |
| Calliope Hummingbird |
Stellula calliope |
| Rufous Hummingbird |
Selasphorus rufus |
| Allen's Hummingbird |
Selasphorus sasin |
| Lewis's Woodpecker |
Melanerpes lewis |
| American Three-toed Woodpecker |
Picoides dorsalis |
| Black-backed Woodpecker |
Picoides arcticus |
| Hammond's Flycatcher |
Empidonax hammondii |
| Gray Flycatcher |
Empidonax wrightii |
| Say's Phoebe |
Sayornis saya |
| Vermilion Flycatcher |
Pyrocephalus rubinus |
| Ash-throated Flycatcher |
Myiarchus cinerascens |
| Sulphur-bellied/Streaked Flycatcher |
Myiodynastes species |
| Tropical Kingbird |
Tyrannus melancholicus |
| Couch's Kingbird |
Tyrannus couchii |
| Cassin's Kingbird |
Tyrannus vociferans |
| Gray Kingbird |
Tyrannus dominicensis |
| Fork-tailed Flycatcher |
Tyrannus savana |
| Loggerhead Shrike |
Lanius ludovicianus |
| Bell's Vireo |
Vireo bellii |
| Gray Jay |
Perisoreus canadensis |
| Eurasian Jackdaw |
Corvus monedula |
| Brown-chested Martin |
Progne tapera |
| Violet-green Swallow |
Tachycineta thalassina |
| Cave Swallow |
Petrochelidon fulva |
| Rock Wren |
Salpinctes obsoletus |
| Bewick's Wren |
Thryomanes bewickii |
| Northern Wheatear |
Oenanthe oenanthe |
| Mountain Bluebird |
Sialia currucoides |
| Townsend's Solitaire |
Myadestes townsendi |
| Fieldfare |
Turdus pilaris |
| Varied Thrush |
Ixoreus naevius |
| Sage Thrasher |
Oreoscoptes montanus |
| Sprague's Pipit |
Anthus spragueii |
| Phainopepla |
Phainopepla nitens |
| Lucy's Warbler |
Vermivora luciae |
| Black-throated Gray Warbler |
Dendroica nigrescens |
| Townsend's Warbler |
Dendroica townsendi |
| Hermit Warbler |
Dendroica occidentalis |
| Swainson's Warbler |
Limnothlypis swainsonii |
| MacGillivray's Warbler |
Oporornis tolmiei |
| Painted Redstart |
Myioborus pictus |
| Western Tanager |
Piranga ludoviciana |
| Green-tailed Towhee |
Pipilo chlorurus |
| Spotted Towhee |
Pipilo maculatus |
| Brewer's Sparrow |
Spizella breweri |
| Lark Bunting |
Calamospiza melanocorys |
| Henslow's Sparrow |
Ammodramus henslowii |
| Le Conte's Sparrow |
Ammodramus leconteii |
| Harris's Sparrow |
Zonotrichia querula |
| Golden-crowned Sparrow |
Zonotrichia atricapilla |
| McCown's Longspur |
Calcarius mccownii |
| Smith's Longspur |
Calcarius pictus |
| Chestnut-collared Longspur |
Calcarius ornatus |
| Black-headed Grosbeak |
Pheucticus melanocephalus |
| Lazuli Bunting |
Passerina amoena |
| Painted Bunting |
Passerina ciris |
| Western Meadowlark |
Sturnella neglecta |
| Brewer's Blackbird |
Euphagus cyanocephalus |
| Boat-tailed/Great-tailed Grackle |
Quiscalus major/mexicanus |
| Shiny Cowbird |
Molothrus bonariensis |
| Bullock's Oriole |
Icterus bullockii |
| Common Chaffinch |
Fringilla coelebs |
| Brambling |
Fringilla montifringilla |
| Hoary Redpoll |
Carduelis hornemanni |