Checklist |
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| Fulvous Whistling Duck (1905) | Broad-winged Hawk | Tufted Puffin | Gray-cheeked Thrush |
| Taiga Bean Goose | Swainson’s Hawk | Rock Pigeon (I) | Swainson's Thrush |
| Greater White-fronted Goose | Red-tailed Hawk | Band-tailed Pigeon | Hermit Thrush |
| Emperor Goose | Ferruginous Hawk | Eurasian Collared-Dove (I) | Dusky Thrush (s) |
| Snow Goose | Rough-legged Hawk | White-winged Dove | Redwing |
| Ross’s Goose | Golden Eagle | Mourning Dove | American Robin |
| Brant | Crested Caracara | Yellow-billed Cuckoo | Varied Thrush |
| Cackling Goose | Eurasian Kestrel | Black-billed Cuckoo | Gray Catbird |
| Canada Goose | American Kestrel | Barn Owl | Northern Mockingbird |
| Trumpeter Swan | Merlin | Flammulated Owl | Sage Thrasher |
| Tundra Swan | Eurasian Hobby | Western Screech-Owl | Brown Thrasher |
| Whooper Swan | Gyrfalcon | Great Horned Owl | European Starling (I) |
| Wood Duck | Peregrine Falcon | Snowy Owl | Siberian Accentor |
| Gadwall | Prairie Falcon | Northern Hawk Owl | Eastern Yellow Wagtail |
| Falcated Duck | Yellow Rail | Northern Pygmy-Owl | White Wagtail |
| Eurasian Wigeon | Virginia Rail | Burrowing Owl | Red-throated Pipit |
| American Wigeon | Sora | Spotted Owl | American Pipit |
| Mallard | American Coot | Barred Owl | Bohemian Waxwing |
| Blue-winged Teal | Sandhill Crane | Great Gray Owl | Cedar Waxwing |
| Cinnamon Teal | Black-bellied Plover | Long-eared Owl | Phainopepla (s) |
| Northern Shoveler | American Golden-Plover | Short-eared Owl | Lapland Longspur |
| Northern Pintail | Pacific Golden-Plover | Boreal Owl | Chestnut-collared Longspur |
| Garganey | Lesser Sand-Plover | Northern Saw-whet Owl | Smith's Longspur |
| Baikal Teal | Snowy Plover | Common Nighthawk | Snow Bunting |
| Green-winged Teal | Common Ringed Plover | Common Poorwill | McKay's Bunting |
| Canvasback | Semipalmated Plover | Black Swift | Ovenbird |
| Redhead | Piping Plover | Vaux's Swift | Northern Waterthrush |
| Ring-necked Duck | Killdeer | White-throated Swift | Golden-winged Warbler |
| Tufted Duck | Mountain Plover | Ruby-throated Hummingbird (s) | Blue-winged Warbler |
| Greater Scaup | Eurasian Dotterel | Black-chinned Hummingbird | Black-and-white Warbler |
| Lesser Scaup | Black Oystercatcher | Anna's Hummingbird | Prothonotary Warbler |
| Steller’s Eider | Black-necked Stilt | Costa's Hummingbird | Tennessee Warbler |
| King Eider | American Avocet | Calliope Hummingbird | Orange-crowned Warbler |
| Common Eider | Spotted Sandpiper | Broad-tailed Hummingbird | Nashville Warbler |
| Harlequin Duck | Solitary Sandpiper | Rufous Hummingbird | MacGillivray's Warbler |
| Surf Scoter | Gray-tailed Tattler | Allen's Hummingbird (1894) | Mourning Warbler |
| White-winged Scoter | Wandering Tattler | Belted Kingfisher | Kentucky Warbler (s) |
| Black Scoter | Greater Yellowlegs | Lewis's Woodpecker | Common Yellowthroat |
| Long-tailed Duck | Willet | Acorn Woodpecker | Hooded Warbler |
| Bufflehead | Lesser Yellowlegs | Williamson's Sapsucker | American Redstart |
| Common Goldeneye | Wood Sandpiper | Yellow-bellied Sapsucker | Cape May Warbler |
| Barrow’s Goldeneye | Upland Sandpiper | Red-naped Sapsucker | Northern Parula |
| Smew | Little Curlew | Red-breasted Sapsucker | Magnolia Warbler |
| Hooded Merganser | Whimbrel | Downy Woodpecker | Bay-breasted Warbler |
| Common Merganser | Bristle-thighed Curlew | Hairy Woodpecker | Blackburnian Warbler |
| Red-breasted Merganser | Long-billed Curlew | White-headed Woodpecker | Yellow Warbler |
| Ruddy Duck | Hudsonian Godwit | Amer. Three-toed Woodpecker | Chestnut-sided Warbler |
| Mountain Quail | Bar-tailed Godwit | Black-backed Woodpecker | Blackpoll Warbler |
| California Quail (I) | Marbled Godwit | Northern Flicker | Black-throated Blue Warbler |
| Northern Bobwhite (I) | Ruddy Turnstone | Pileated Woodpecker | Palm Warbler |
| Chukar (I) | Black Turnstone | Olive-sided Flycatcher | Yellow-rumped Warbler |
| Gray Partridge (I) | Surfbird | Greater Pewee (s) | Yellow-throated Warbler |
| Ring-necked Pheasant (I) | Great Knot(s) | Western Wood-Pewee | Prairie Warbler (s) |
| Ruffed Grouse | Red Knot | Yellow-bellied Flycatcher | Black-throated Gray Warbler |
| Greater Sage-Grouse | Sanderling | Alder Flycatcher | Townsend's Warbler |
| Spruce Grouse | Semipalmated Sandpiper | Willow Flycatcher | Hermit Warbler |
| White-tailed Ptarmigan | Western Sandpiper | Least Flycatcher | Black-throated Green Warbler |
| Dusky Grouse | Red-necked Stint | Hammond's Flycatcher | Canada Warbler |
| Sooty Grouse | Little Stint | Gray Flycatcher | Wilson’s Warbler |
| Sharp-tailed Grouse | Temminck's Stint | Dusky Flycatcher | Yellow-breasted Chat |
| Wild Turkey (I) | Least Sandpiper | Pacific-slope Flycatcher | Green-tailed Towhee |
| Red-throated Loon | White-rumped Sandpiper | Black Phoebe | Spotted Towhee |
| Arctic Loon | Baird's Sandpiper | Eastern Phoebe | American Tree Sparrow |
| Pacific Loon | Pectoral Sandpiper | Say's Phoebe | Chipping Sparrow |
| Common Loon | Sharp-tailed Sandpiper | Vermilion Flycatcher | Clay-colored Sparrow |
| Yellow-billed Loon | Rock Sandpiper | Ash-throated Flycatcher | Brewer’s Sparrow |
| Pied-billed Grebe | Dunlin | Variegated Flycatcher | Vesper Sparrow |
| Horned Grebe | Curlew Sandpiper | Tropical Kingbird | Lark Sparrow |
| Red-necked Grebe | Stilt Sandpiper | Western Kingbird | Black-throated Sparrow |
| Eared Grebe | Buff-breasted Sandpiper | Eastern Kingbird | Sage Sparrow |
| Western Grebe | Ruff | Scissor-tailed Flycatcher | Lark Bunting |
| Clark’s Grebe | Short-billed Dowitcher | Fork-tailed Flycatcher | Savannah Sparrow |
| Shy Albatross | Long-billed Dowitcher | Loggerhead Shrike | Grasshopper Sparrow |
| Laysan Albatross | Jack Snipe (s) | Northern Shrike | Le Conte’s Sparrow |
| Black-footed Albatross | Wilson's Snipe | White-eyed Vireo (s) | Nelson’s Sparrow |
| Short-tailed Albatross | Wilson's Phalarope | Bell's Vireo | Fox Sparrow |
| Northern Fulmar | Red-necked Phalarope | Yellow-throated Vireo | Song Sparrow |
| Murphy’s Petrel | Red Phalarope | Cassin's Vireo | Lincoln’s Sparrow |
| Solander's Petrel | Black-legged Kittiwake | Blue-headed Vireo | Swamp Sparrow |
| Mottled Petrel | Red-legged Kittiwake | Hutton's Vireo | White-throated Sparrow |
| Hawaiian Petrel | Ivory Gull | Warbling Vireo | Harris’s Sparrow |
| Cook’s Petrel | Sabine's Gull | Philadelphia Vireo | White-crowned Sparrow |
| Pink-footed Shearwater | Bonaparte's Gull | Red-eyed Vireo | Golden-crowned Sparrow |
| Flesh-footed Shearwater | Black-headed Gull | Gray Jay | Dark-eyed Junco |
| Great Shearwater | Little Gull | Pinyon Jay | Rustic Bunting |
| Wedge-tailed Shearwater | Ross's Gull | Steller's Jay | Summer Tanager |
| Buller’s Shearwater | Laughing Gull | Blue Jay | Western Tanager |
| Sooty Shearwater | Franklin’s Gull | Western Scrub-Jay | Rose-breasted Grosbeak |
| Short-tailed Shearwater | Black-tailed Gull | Clark's Nutcracker | Black-headed Grosbeak |
| Manx Shearwater | Heermann's Gull | Black-billed Magpie | Lazuli Bunting |
| Wilson’s Storm-Petrel | Mew Gull | American Crow | Indigo Bunting |
| Fork-tailed Storm-Petrel | Ring-billed Gull | Northwestern Crow | Painted Bunting |
| Leach’s Storm-Petrel | Western Gull | Common Raven | Dickcissel |
| Ashy Storm-Petrel | California Gull | Sky Lark (I) | Bobolink |
| Red-billed Tropicbird (1941) | Herring Gull | Horned Lark | Red-winged Blackbird |
| Magnificent Frigatebird | Thayer's Gull | Purple Martin | Tricolored Blackbird |
| Blue-footed Booby | Iceland Gull | Tree Swallow | Western Meadowlark |
| Brown Booby | Lesser Black-backed Gull | Violet-green Swallow | Yellow-headed Blackbird |
| Brandt’s Cormorant | Slaty-backed Gull | No. Rough-winged Swallow | Rusty Blackbird |
| Double-crested Cormorant | Glaucous-winged Gull | Bank Swallow | Brewer’s Blackbird |
| Red-faced Cormorant | Glaucous Gull | Cliff Swallow | Common Grackle |
| Pelagic Cormorant | Great Black-backed Gull | Barn Swallow | Great-tailed Grackle |
| American White Pelican | Least Tern | Black-capped Chickadee | Brown-headed Cowbird |
| Brown Pelican | Caspian Tern | Mountain Chickadee | Orchard Oriole |
| American Bittern | Black Tern | Chestnut-backed Chickadee | Hooded Oriole |
| Great Blue Heron | Common Tern | Boreal Chickadee | Bullock’s Oriole |
| Great Egret | Arctic Tern | Bushtit | Baltimore Oriole |
| Snowy Egret | Forster's Tern | Red-breasted Nuthatch | Scott’s Oriole |
| Little Blue Heron | Elegant Tern | White-breasted Nuthatch | Brambling |
| Cattle Egret | South Polar Skua | Pygmy Nuthatch | Gray-crowned Rosy-Finch |
| Green Heron | Pomarine Jaeger | Brown Creeper | Pine Grosbeak |
| Black-crowned Night-Heron | Parasitic Jaeger | Rock Wren | Purple Finch |
| Yellow-crowned Night-Heron | Long-tailed Jaeger | Canyon Wren | Cassin’s Finch |
| White Ibis | Common Murre | Bewick's Wren | House Finch |
| Glossy Ibis | Thick-billed Murre | House Wren | Red Crossbill |
| White-faced Ibis | Pigeon Guillemot | Pacific Wren | White-winged Crossbill |
| Turkey Vulture | Long-billed Murrelet | Marsh Wren | Common Redpoll |
| California Condor (1897) | Marbled Murrelet | Blue-gray Gnatcatcher | Hoary Redpoll |
| Osprey | Kittlitz's Murrelet | American Dipper | Pine Siskin |
| White-tailed Kite | Xantus's Murrelet | Golden-crowned Kinglet | Lesser Goldfinch |
| Bald Eagle | Ancient Murrelet | Ruby-crowned Kinglet | Lawrence's Goldfinch |
| Northern Harrier | Cassin's Auklet | Northern Wheatear | American Goldfinch |
| Sharp-shinned Hawk | Parakeet Auklet | Western Bluebird | Evening Grosbeak |
| Cooper’s Hawk | Whiskered Auklet | Mountain Bluebird | House Sparrow (I) |
| Northern Goshawk | Rhinoceros Auklet | Townsend's Solitaire | |
| Red-shouldered Hawk | Horned Puffin | Veery | |