Kevin J. Colver
Introduction
Red‐throated Loon
Arctic Loon / Pacific Loon
Common Loon / Yellow‐billed Loon
Least Grebe
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Pied‐billed Grebe / Horned Grebe
Red‐necked Grebe / Eared Grebe
Western Grebe / Clark’s Grebe
Laysan Albatross / Black‐footed Albatross
Northern Fulmar / Mottled Petrel
Pink‐footed Shearwater / Fresh‐footed Shearwater
Buller’s Shearwater
Sooty Shearwater / Short‐tailed Shearwater
Black‐vented Shearwater
Fork‐tailed Storm‐Petrel
Leach’s Storm‐Petrel / Ashy Storm‐Petrel
Black Storm‐Petrel / Least Storm‐Petrel
American White Pelican / Brown Pelican
Brandt’s Cormorant
Neotropic Cormorant / Double‐crested Cormorant
Red‐faced Cormorant / Pelagic Cormorant
American Bittern / Least Bittern
Great Blue Heron / Great Egret
Snowy Egret / Cattle Egret
Green Heron / Black‐crowned Night Heron
White‐faced Ibis
Turkey Vulture / California Condor
Black‐bellied Whistling‐Duck
Greater White‐fronted Goose / Emperor Goose
Snow Goose / Ross’s Goose
Canada Goose / Brant
Trumpeter Swan / Tundra Swan
Wood Duck / Gadwall
Eurasian Wigeon / American Wigeon
Mallard / Mottled Duck
Blue‐winged Teal / Cinnamon Teal
Northern Shoveler / Northern Pintail
Green‐winged Teal
Canvasback / Redhead
Ring‐necked Duck / Tufted Duck
Greater Scaup / Lesser Scaup
Steller’s Eider / Spectacled Eider
King Eider / Common Eider
Harlequin Duck / Surf Scoter
White‐winged Scoter / Black Scoter
Oldsquaw / Bufflehead
Common Goldeneye / Barrow’s Goldeneye
Hooded Merganser / Common Merganser
Red‐breasted Merganser / Ruddy Duck
Osprey / Hook‐billed Kite
White‐tailed Kite / Mississippi Kite
Bald Eagle
Northern Harrier
Sharp‐shinned Hawk
Cooper’s Hawk / Northern Goshawk
Gray Hawk
Common Black Hawk / Harris’s Hawk
Red‐shouldered Hawk / Swainson’s Hawk
White‐tailed Hawk / Zone‐tailed Hawk
Red‐tailed Hawk
Ferruginous Hawk / Rough‐legged Hawk
Golden Eagle
Crested Caracara
American Kestrel / Merlin
Gyrfalcon
Peregrine Falcon / Praire Falcon
Plain Chachalaca
Chukar
Himalayan Snowcock
Gray Partridge / Ring‐necked Pheasant
Ruffed Grouse
Sage Grouse / Spruce Grouse
Willow Ptarmigan / Rock Ptarmigan
White‐tailed Ptarmigan
Blue Grouse
Sharp‐tailed Grouse
Wild Turkey
Mountain Quail / Scaled Quail
California Quail / Gambel’s Quail
Northern Bobwhite / Montezuma Quail
Yellow Rail
Black Rail
Clapper Rail
Virginia Rail
Sora
Common Moorhen
American Coot
Sandhill Crane
Black‐bellied Plover
American Golden‐Plover / Pacific Golden‐Plover
Mongolian Plover / Snowy Plover
Common Ringed Plover / Semipalmated Plover
Killdeer
Black Oystercatcher
Black‐necked Stilt / American Avocet
Greater Yellowlegs / Lesser Yellowlegs
Solitary Sandpiper / Willet
Wandering Tattler
Spotted Sandpiper / Upland Sandpiper
Whimbrel / Bristle‐thighed Curlew
Long‐billed Curlew / Hudsonian Godwit
Bar‐tailed Godwit / Marbled Godwit
Ruddy Turnstone / Black Turnstone
Surfbird
Red Knot / Sanderling
Semipalmated Sandpiper / Western Sandpiper
Red‐necked Stint / Temminck’s Stint
Least Sandpiper / White‐rumped Sandpiper
Baird’s Sandpiper / Pectoral Sandpiper
Rock Sandpiper / Dunlin
Stilt Sandpiper / Buff‐breasted Sandpiper
Short‐billed Dowitcher / Long‐billed Dowitcher
Common Snipe / Wilson’s Phalarope
Red‐necked Phalarope / Red Phalarope
South Polar Skua
Pomarine Jaeger
Parasitic Jaeger / Long‐tailed Jaeger
Laughing Gull
Franklin’s Gull / Bonaparte’s Gull
Heermann’s Gull / Mew Gull
Ring‐billed Gull / California Gull
Herring Gull / Thayer’s Gull
Yellow‐footed Gull / Western Gull
Glaucous‐winged Gull / Glaucous Gull
Black‐legged Kittiwake / Red‐legged Kittiwake
Ross’s Gull / Ivory Gull
Gull‐billed Tern / Caspian Tern
Royal Tern / Elegant Tern
Common Tern / Arctic Tern
Forster’s Tern / Least Tern
Aleutian Tern / Black Tern
Black Skimmer
Dovekie
Common Murre / Thick‐billed Murre
Black Guillemot / Pigeon Guillemot
Marbled Murrelet / Kittlitz’s Murrelet
Xantus’s Murrelet / Ancient Murrelet
Cassin’s Auklet
Parakeet Auklet / Least Auklet
Whiskered Auklet
Rhinoceros Auklet
Horned Puffin
Tufted Puffin
Rock Dove
Red‐billed Pigeon / Band‐tailed Pigeon
Spotted Dove
White‐winged Dove / Mourning Dove
Inca Dove
Common Ground‐Dove / Ruddy Ground‐Dove
White‐tipped Dove
Green Parakeet
Thick‐billed Parrot / Red‐crowned Parrot
Yellow‐billed Cuckoo
Greater Roadrunner
Groove‐billed Ani
Barn Owl
Flammulated Owl
Western Screech‐Owl / Whiskered Screech‐Owl
Great Horned Owl
Snowy Owl / Northern Hawk Owl
Northern Pygmy‐Owl / Ferruginous Pygmy‐Owl
Elf Owl
Burrowing Owl
Spotted Owl
Barred Owl
Great Gray Owl
Long‐eared Owl
Short‐eared Owl
Boreal Owl
Northern Saw‐whet Owl
Lesser Nighthawk
Common Nighthawk
Common Pauraque
Common Poorwill
Buff‐collared Nightjar
Whip‐poor‐will
Black Swift / Vaux’s Swift
White‐throated Swift
Broad‐billed Hummingbird
Buff‐bellied Hummingbird / Violet‐crowned Hummingbird
Blue‐throated Hummingbird / Magnificent Hummingbird
Lucifer Hummingbird / Black‐chinned Hummingbird
Anna’s Hummingbird / Costa’s Hummingbird
Calliope Hummingbird / Broad‐tailed Hummingbird
Rufous Hummingbird / Allen’s Hummingbird
Elegant Trogon / Eared Trogon
Ringed Kingfisher / Belted Kingfisher
Green Kingfisher
Lewis’s Woodpecker / Acorn Woodpecker
Gila Woodpecker / Golden‐fronted Woodpecker
Williamson’s Sapsucker
Red‐naped Sapsucker / Red‐breasted Sapsucker
Ladder‐backed Woodpecker / Nuttall’s Woodpecker
Downy Woodpecker / Hairy Woodpecker
Strickland’s Woodpecker / White‐headed Woodpecker
Three‐toed Woodpecker / Black‐backed Woodpecker
Northern Flicker / Gilded Flicker
Pileated Woodpecker
Northern Beardless Tyrannulet
Olive‐sided Flycatcher
Greater Pewee
Western Wood‐Pewee
Alder Flycatcher / Willow Flycatcher
Least Flycatcher / Hammond’s Flycatcher
Gray Flycatcher / Dusky Flycatcher
Pacific‐slope Flycatcher / Cordilleran Flycatcher
Buff‐breasted Flycatcher
Black Phoebe
Say’s Phoebe
Vermilion Flycatcher
Dusky‐capped Flycatcher / Ash‐throated Flycatcher
Brown‐crested Flycatcher
Great Kiskadee
Sulphur‐bellied Flycatcher
Tropical Kingbird / Couch’s Kingbird
Cassin’s Kingbird / Thick‐billed Kingbird
Western Kingbird / Eastern Kingbird
Scissor‐tailed Flycatcher
Rose‐throated Becard
Loggerhead Shrike / Northern Shrike
White‐eyed Vireo / Bell’s Vireo
Black‐capped Vireo / Gray Vireo
Plumbeous Vireo / Cassin’s Vireo
Hutton’s Vireo / Warbling Vireo
Red‐eyed Vireo / Yellow‐green Vireo
Gray Jay
Steller’s Jay
Green Jay / Brown Jay
Island Scrub Jay / Western Scrub Jay
Mexican Jay / Piñon Jay
Clark’s Nutcracker
Black‐billed Magpie / Yellow‐billed Magpie
American Crow / Northwestern Crow
Tamaulipas Crow
Chihuahuan Raven / Common Raven
Sky Lark
Horned Lark
Purple Martin
Tree Swallow / Violet‐green Swallow
Northern Rough‐winged Swallow / Bank Swallow
Cliff Swallow / Cave Swallow
Barn Swallow
Black‐capped Chickadee
Mountain Chickadee
Mexican Chickadee / Chestnut‐backed Chickadee
Boreal Chickadee / Gray‐headed Chickadee
Bridled Titmouse
Oak Titmouse / Juniper Titmouse
Tufted Titmouse
Verdin
Bushtit
Red‐breasted Nuthatch
White‐breasted Nuthatch / Pygmy Nuthatch
Brown Creeper
Cactus Wren
Rock Wren / Canyon Wren
Carolina Wren
Bewick’s Wren
House Wren
Winter Wren
Marsh Wren
American Dipper
Golden‐crowned Kinglet
Ruby‐crowned Kinglet
Arctic Warbler
Blue‐gray Gnatcatcher
California Gnatcatcher
Black‐tailed Gnatcatcher
Black‐capped Gnatcatcher
Siberian Rubythroat
Bluethroat
Northern Wheatear
Eastern Bluebird / Western Bluebird
Mountain Bluebird
Townsend’s Solitaire
Veery / Gray‐cheeked Thrush
Swainson’s Thrush
Hermit Thrush
Clay‐colored Robin / American Robin
Varied Thrush
Wrentit
Gray Catbird
Northern Mockingbird / Sage Thrasher
Long‐billed Thrasher / Bendire’s Thrasher
Curve‐billed Thrasher / California Thrasher
Crissal Thrasher / Le Conte’s Thrasher
European Starling
Yellow Wagtail / White Wagtail
Red‐throated Pipit / American Pipit
Bohemian Waxwing / Cedar Waxwing
Phainopepla
Olive Warbler
Orange‐crowned Warbler / Nashville Warbler
Virginia’s Warbler / Colima Warbler
Lucy’s Warbler / Tropical Parula
Yellow Warbler / Yellow‐rumped Warbler
Black‐throated Gray Warbler / Golden‐cheeked Warbler
Townsend’s Warbler / Hermit Warbler
Grace’s Warbler
Blackpoll Warbler / American Redstart
Northern Waterthrush / MacGillivray’s Warbler
Common Yellowthroat
Wilson’s Warbler / Red‐faced Warbler
Painted Redstart / Golden‐crowned Warbler
Yellow‐breasted Chat
Hepatic Tanager / Summer Tanager
Western Tanager
White‐collared Seedeater / Olive Sparrow
Green‐tailed Towhee
Spotted Towhee
Canyon Towhee / California Towhee
Abert’s Towhee
Rufous‐winged Sparrow / Cassin’s Sparrow
Botteri’s Sparrow / Rufous‐crowned Sparrow
Five‐striped Sparrow
American Tree Sparrow / Chipping Sparrow
Brewer’s Sparrow / Black‐chinned Sparrow
Vesper Sparrow / Lark Sparrow
Black‐throated Sparrow / Sage Sparrow
Savannah Sparrow / Grasshopper Sparrow
Fox Sparrow
Song Sparrow
Lincoln’s Sparrow / Harris’s Sparrow
White‐crowned Sparrow / Golden‐crowned Sparrow
Dark‐eyed Junco / Yellow‐eyed Junco
McCown’s Longspur / Lapland Longspur
Smith’s Longspur
Chestnut‐collared Longspur
Snow Bunting
Northern Cardinal / Pyrrhuloxia
Black‐headed Grosbeak / Blue Grosbeak
Lazuli Bunting / Indigo Bunting
Varied Bunting / Painted Bunting
Bobolink
Red‐winged Blackbird / Tricolored Blackbird
Eastern Meadowlark / Western Meadowlark
Yellow‐headed Blackbird
Rusty Blackbird / Brewer’s Blackbird
Great‐tailed Grackle
Bronzed Cowbird / Brown‐headed Cowbird
Hooded Oriole
Altamira Oriole / Audubon’s Oriole
Bullock’s Oriole / Scott’s Oriole
Brambling
Gray‐crowned Rosy‐Finch
Black Rosy‐Finch
Brown‐capped Rosy‐Finch
Pine Grosbeak
Purple Finch
Cassin’s Finch
House Finch
Red Crossbill
White‐winged Crossbill
Common Redpoll
Hoary Redpoll
Pine Siskin
Lesser Goldfinch
Lawrence’s Goldfinch
American Goldfinch
Evening Grosbeak
House Sparrow