ANSERIFORMES ANATIDAE Greater White-fronted Goose Snow Goose Ross's Goose Brant Canada Goose Cackling Goose Mute Swan Trumpeter Swan Tundra Swan Wood Duck Gadwall	American Wigeon Mallard American Black Duck Mottled Duck Blue-winged Teal Cinnamon Teal Northern Shoveler White-cheeked Pintail Northern Pintail Green-winged Teal Canvasback Redhead Ring-necked Duck	Greater Scaup Lesser Scaup Harlequin Duck Surf Scoter White-winged Scoter Black Scoter Bufflehead Common Goldeneye Barrow's Goldeneye Hooded Merganser Common Merganser Red-breasted Merganser Masked Duck Ruddy Duck
PHASIANIDAE Ring-necked Pheasant (I) Gray Partridge	Ruffed Grouse Greater Sage Grouse White-tailed Ptarmigan	Sharp-tailed Grouse Wild Turkey
ODONTOPHORIDAE Gambel's Quail
GAVIIFORMES GAVIIDAE Pacific Loon	Common Loon
PODICIPEDIFORMES PODICIPEDIDAE Least Grebe	Pied-billed Grebe Horned Grebe Red-necked Grebe	Eared Grebe Western Grebe Clark's Grebe
PROCELLARIIFORMES DIOMEDEIDAE Black-browed Albatross (A)	Black-footed Albatross
PROCELLARIIDAE Northern Fulmar	Flesh-footed Shearwater (N)	Sooty Shearwater (N)
PELECANIFORMES PHAETHONTIDAE  Red-billed Tropicbird
SULIDAE Masked Booby	Blue-footed Booby Peruvian Booby (A)	Red-footed Booby
PELECANIDAE American White Pelican	Brown Pelican
PHALACROCORACIDAE Brandt's Cormorant	Neotropic Cormorant Double-crested Cormorant	Pelagic Cormorant
ANHINGIDAE Anhinga
FREGATIDAE Magnificent Frigatebird
CICONIIFORMES ARDEIDAE American Bittern Least Bittern Bare-throated Tiger-Heron	Great Blue Heron Great Egret Snowy Egret Little Blue Heron Tricolored Heron	Reddish Egret Cattle Egret Green Heron Black-crowned Night-Heron
THRESKIORNITHIDAE White Ibis	Scarlet Ibis (A) White-faced Ibis	Roseate Spoonbill
CICONIIDAE Jabiru
CATHARTIDAE Black Vulture	Turkey Vulture
PHOENICOPTERIDAE Greater Flamingo
FALCONIFORMES ACCIPITRIDAE Osprey Swallow-tailed Kite White-tailed Kite Snail Kite Bald Eagle	Northern Harrier Sharp-shinned Hawk Cooper's Hawk Northern Goshawk Common Black-Hawk Roadside Hawk Red-shouldered Hawk	Broad-winged Hawk Swainson's Hawk Red-tailed Hawk Ferruginous Hawk Rough-legged Hawk Golden Eagle
FALCONIDAE Crested Caracara Laughing Falcon	Prairie Falcon Eurasian Kestrel	American Kestrel Merlin
GRUIFORMES RALLIDAE Virginia Rail	Sora Common Moorhen Purple Gallinule	American Coot
GRUIDAE Sandhill Crane	Whooping Crane
CHARADRIIFORMES CHARADRIIDAE Black-bellied Plover American Golden-Plover	Pacific Golden-Plover Kentish Plover Common Ringed Plover	Semipalmated Plover Piping Plover Killdeer
HAEMATOPODIDAE Black Oystercatcher	American Oystercatcher
RECURVIROSTRIDAE Black-winged Stilt (A)	Black-necked Stilt American Avocet
JACANIDAE Northern Jacana	Wattled Jacana
SCOLOPACIDAE Greater Yellowlegs Lesser Yellowlegs Common Redshank Solitary Sandpiper Wandering Tattler Willet Common Sandpiper (N) Spotted Sandpiper Upland Sandpiper Whimbrel	Long-billed Curlew Black-tailed Godwit (N) Hudsonian Godwit Marbled Godwit Ruddy Turnstone Black Turnstone Sanderling Semipalmated Sandpiper Western Sandpiper Least Sandpiper White-rumped Sandpiper	Baird's Sandpiper Pectoral Sandpiper Dunlin Buff-breasted Sandpiper Stilt Sandpiper Ruff Short-billed Dowitcher Long-billed Dowitcher Wilson's Snipe Wilson's Phalarope Red-necked Phalarope
LARIDAE Pomarine Jaeger Laughing Gull Franklin's Gull Bonaparte's Gull Heermann's Gull Ring-billed Gull California Gull Herring Gull Thayer's Gull	Iceland Gull Western Gull Glaucous-winged Gull Glaucous Gull Great Black-backed Gull Sabine's Gull Black Noddy Sooty Tern Least Tern	Large-billed Tern Caspian Tern Black Tern Common Tern Forster's Tern Royal Tern Black Skimmer
ALCIDAE Common Murre	Ancient Murrelet
COLUMBIFORMES COLUMBIDAE Rock Pigeon	Band-tailed Pigeon Eurasian Collared-Dove (I) White-winged Dove	Mourning Dove Inca Dove Common Ground-Dove
PSITTACIFORMES PSITTACIDAE	Scarlet Macaw	Blue-headed Parrot
Monk Parakeet
CUCULIFORMES CUCULIDAE Yellow-billed Cuckoo	Black-billed Cuckoo Lesser Roadrunner	Greater Roadrunner Groove-billed Ani
STRIGIFORMES TYTONIDAE Barn Owl
STRIGIDAE Great Horned Owl Eastern Screech-Owl Snowy Owl	Northern Hawk Owl Ferruginous Pygmy-Owl Burrowing Owl Barred Owl	Long-eared Owl Short-eared Owl Northern Saw-whet Owl
CAPRIMULGIFORMES Common Nighthawk	Chuck-will's Widow
APODIFORMES APODIDAE Chimney Swift	White-throated Swift
TROCHILIDAE Green Violet-ear Ruby-throated Hummingbird	Black-chinned Hummingbird Anna's Hummingbird Costa's Hummingbird	Calliope Hummingbird Broad-tailed Hummingbird
TROGONIFORMES TROGONIDAE Citreoline Trogon
UPUPIFORMES UPUPIDAE Eurasian Hoopoe (A)
CORACIIFORMES MOMOTIDAE Russet-crowned Motmot	Rufous Motmot
ALCEDINIDAE Ringed Kingfisher	Belted Kingfisher
PICIFORMES BUCCONIDAE White-fronted Nunbird
PICIDAE Lewis' Woodpecker Red-headed Woodpecker Acorn Woodpecker Downy Woodpecker Am. Three-toed Woodpecker	Black-backed Woodpecker Hairy Woodpecker Gila Woodpecker Golden-fronted Woodpecker Red-bellied Woodpecker Yellow-bellied Sapsucker	Ladder-backed Woodpecker Northern Flicker Gilded Flicker Pileated Woodpecker
PASSERIFORMES THAMNOPHILIDAE Great Antshrike
TYRANNIDAE Royal Flycatcher Olive-sided Flycatcher Western Wood-Pewee Eastern Wood-Pewee Yellow-bellied Flycatcher Acadian Flycatcher Alder Flycatcher	Willow Flycatcher Least Flycatcher Cordilleran Flycatcher Black Phoebe Eastern Phoebe Say's Phoebe Vermilion Flycatcher Ash-throated Flycatcher	Great Crested Flycatcher Great Kiskadee Couch's Kingbird Western Kingbird Eastern Kingbird Scissor-tailed Flycatcher Fork-tailed Flycatcher
LANIIDAE Northern Shrike	Loggerhead Shrike
VIREONIDAE White-eyed Vireo Bell's Vireo Yellow-throated Vireo	Cassin's Vireo Blue-headed Vireo Warbling Vireo Philadelphia Vireo	Red-eyed Vireo Rufous-browed Peppershrike
CORVIDAE Gray Jay Steller's Jay Blue Jay White-throated Magpie-Jay Green Jay	Yucatan Jay Western Scrub-Jay Clark's Nutcracker Black-billed Magpie	American Crow Northwestern Crow Tamaulipas Crow Common Raven
ALAUDIDAE  Horned Lark
HIRUNDINIDAE Purple Martin Tree Swallow	Violet-green Swallow N. Rough-winged Swallow Bank Swallow	Cliff Swallow Barn Swallow
PARIDAE Black-capped Chickadee	Chestnut-backed Chickadee Carolina Chickadee	Tufted Titmouse
SITTIDAE Red-breasted Nuthatch	White-breasted Nuthatch
CERTHIIDAE Brown Creeper
TROGLODYTIDAE Cactus Wren Rock Wren	Canyon Wren Carolina Wren House Wren	Winter Wren Sedge Wren Marsh Wren
CINCLIDAE American Dipper
REGULIDAE Golden-crowned Kinglet	Ruby-crowned Kinglet
SYLVIIDAE Blue-gray Gnatcatcher	Black-tailed Gnatcatcher
MUSCICAPIDAE Spotted Flycatcher (A)
TURDIDAE Stonechat Eastern Bluebird Western Bluebird Mountain Bluebird	Townsend's Solitaire Veery Gray-cheeked Thrush Swainson's Thrush	Hermit Thrush Wood Thrush American Robin Varied Thrush
MIMIDAE Gray Catbird Tropical Mockingbird	Northern Mockingbird Brown Thrasher Long-billed Thrasher	Bendire's Thrasher Curve-billed Thrasher
STURNIDAE European Starling (I)
MOTACILLIDAE American Pipit	Gray Wagtail
BOMBYCILLIDAE Bohemian Waxwing	Cedar Waxwing
PTILOGONATIDAE Phainopepla
PARULIDAE Blue-winged Warbler Golden-winged Warbler Tennessee Warbler Orange-crowned Warbler Nashville Warbler Parula Warbler Yellow Warbler Chestnut-sided Warbler Magnolia Warbler Cape May Warbler Black-throated Blue Warbler	Yellow-rumped Warbler Black-throated Gray Warbler Black-throated Green Warbler Townsend's Warbler Blackburnian Warbler Hermit Warbler Kirtland's Warbler Prairie Warbler Bay-breasted Warbler Palm Warbler Blackpoll Warbler Cerulean Warbler Black-and-white Warbler	American Redstart Worm-eating Warbler Ovenbird Northern Waterthrush Louisiana Waterthrush Connecticut Warbler Mourning Warbler MacGillivray's Warbler Common Yellowthroat Hooded Warbler Wilson's Warbler Canada Warbler
THRAUPIDAE Hepatic Tanager	Summer Tanager Scarlet Tanager	Western Tanager Blue-gray Tanager
EMBERIZIDAE Blue-black Grassquit White-collared Seedeater Green-tailed Towhee Spotted Towhee Eastern Towhee Canyon Towhee California Towhee Stripe-headed Sparrow American Tree Sparrow Chipping Sparrow	Clay-colored Sparrow Brewer's Sparrow Field Sparrow Vesper Sparrow Lark Sparrow Black-throated Sparrow Lark Bunting Savannah Sparrow Grasshopper Sparrow Le Conte's Sparrow Fox Sparrow	Song Sparrow Lincoln's Sparrow Swamp Sparrow White-throated Sparrow Harris's Sparrow White-crowned Sparrow Golden-crowned Sparrow Dark-eyed Junco Chestnut-collared Longspur Snow Bunting
CARDINALIDAE Northern Cardinal Rose-breasted Grosbeak	Black-headed Grosbeak Blue Grosbeak Indigo Bunting	Lazuli Bunting Dickcissel
ICTERIDAE Bobolink Red-winged Blackbird Eastern Meadowlark Western Meadowlark	Yellow-headed Blackbird Rusty Blackbird Brewer's Blackbird Common Grackle Great-tailed Grackle Brown-headed Cowbird	Orchard Oriole Hooded Oriole Bullock's Oriole Baltimore Oriole Yellow-rumped Cacique
FRINGILLIDAE Pine Grosbeak Purple Finch House Finch White-winged Crossbill	Common Redpoll Hoary Redpoll Pine Siskin Black-headed Siskin	Lawrence's Goldfinch American Goldfinch European Goldfinch (I) Evening Grosbeak
PASSERIDAE House Sparrow (I)