eBird Field Checklist
Boulder County, Colorado, US
ebird.org/region/US-CO-013
435 species (+208 other taxa) - Year-round, All years
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Waterfowl
Black-bellied Whistling-Duck
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Graylag Goose
Swan Goose
Graylag x Swan Goose (hybrid)
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Canada Goose
Greater White-fronted x Canada Goose (hybrid)
Graylag x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Mute Swan
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
swan sp.
goose sp.
Wood Duck
Mandarin Duck
Garganey
Blue-winged Teal
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Northern Shoveler
Blue-winged Teal x Northern Shoveler (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Gadwall
Eurasian Wigeon
American Wigeon
Eurasian/American Wigeon
Mallard
Muscovy Duck x Mallard (hybrid)
Gadwall x Mallard (hybrid)
American Wigeon x Mallard (hybrid)
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Mallard x American Black Duck (hybrid)
Mallard x Mottled Duck (hybrid)
Northern Pintail
Gadwall x Northern Pintail (hybrid)
American Wigeon x Northern Pintail (hybrid)
Green-winged Teal
Blue-winged x Green-winged Teal (hybrid)
American Wigeon x Green-winged Teal (hybrid)
Anas sp.
teal sp.
dabbling duck sp.
Canvasback
Redhead
Canvasback x Redhead (hybrid)
Ring-necked Duck
Tufted Duck
Greater Scaup
Ring-necked Duck x Greater Scaup (hybrid)
Lesser Scaup
Ring-necked Duck x Lesser Scaup (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Tufted Duck x scaup sp. (hybrid)
Greater/Lesser Scaup
Aythya sp.
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
waterfowl sp.
Grouse, Quail, and Allies
Helmeted Guineafowl
Northern Bobwhite
Gambel's Quail
Wild Turkey
Dusky Grouse
White-tailed Ptarmigan
Ring-necked Pheasant
Indian Peafowl
Red Junglefowl
Chukar
Grebes
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Podiceps sp.
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Pigeons and Doves
Rock Pigeon
Band-tailed Pigeon
Rock/Band-tailed Pigeon
Patagioenas sp.
Eurasian Collared-Dove
African Collared-Dove
Streptopelia sp.
Inca Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Cuckoos
Yellow-billed Cuckoo
Black-billed Cuckoo
Yellow-billed/Black-billed Cuckoo
Nightjars
Lesser Nighthawk
Common Nighthawk
nighthawk sp.
Common Poorwill
nightjar sp.
Swifts
Black Swift
Chimney Swift
Chimney/Vaux's Swift
Chaetura sp.
White-throated Swift
large swift sp.
swift sp.
Hummingbirds
Rivoli's Hummingbird
Ruby-throated Hummingbird
Black-chinned Hummingbird
Ruby-throated/Black-chinned Hummingbird
Anna's Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
Rufous x Broad-tailed Hummingbird (hybrid)
Selasphorus sp.
hummingbird sp.
Rails, Gallinules, and Allies
Virginia Rail
Sora
Common Gallinule
American Coot
rail/crake sp.
Limpkin
Limpkin
Cranes
Sandhill Crane
Shorebirds
Black-necked Stilt
American Avocet
Black-bellied Plover
American Golden-Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
Black-bellied Plover/golden-plover sp.
Killdeer
Semipalmated Plover
Piping Plover
Mountain Plover
Snowy Plover
small plover sp.
plover sp.
Upland Sandpiper
Whimbrel
Long-billed Curlew
Hudsonian Godwit
Marbled Godwit
godwit sp.
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Red/Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Tringa sp.
Ruddy Turnstone
Ruff
Sharp-tailed Sandpiper
Stilt Sandpiper
Buff-breasted Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
White-rumped Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
Western/Semipalmated Sandpiper
peep sp.
Calidris sp.
Scolopacidae sp.
large shorebird sp.
shorebird sp.
Skuas and Jaegers
Long-tailed Jaeger
Parasitic Jaeger
jaeger sp.
Alcids
Ancient Murrelet
Gulls, Terns, and Skimmers
Little Gull
Ross's Gull
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Laughing Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Laughing x Ring-billed Gull (hybrid)
Herring Gull
Great Black-backed Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Lesser Black-backed Gull
California Gull
Glaucous-winged Gull
Herring x Glaucous-winged Gull (hybrid)
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Least Tern
Caspian Tern
Black Tern
Forster's Tern
Arctic Tern
Common Tern
Common/Arctic Tern
Sterna sp.
tern sp.
Loons
Red-throated Loon
Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Frigatebirds, Boobies, and Gannets
Brown Booby
Cormorants and Anhingas
Anhinga
Double-crested Cormorant
Double-crested/Neotropic Cormorant
cormorant sp.
Pelicans
American White Pelican
Brown Pelican
Herons, Ibis, and Allies
American Bittern
Least Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
Little Blue Heron
Tricolored Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
heron sp.
white egret sp.
White Ibis
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Vultures, Hawks, and Allies
Turkey Vulture
Osprey
Golden Eagle
Mississippi Kite
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
Cooper's Hawk/American Goshawk
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Red-shouldered Hawk
Broad-winged Hawk
Swainson's Hawk
Zone-tailed Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Owls
Barn Owl
Flammulated Owl
Eastern Screech-Owl
Snowy Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
Spotted Owl
Long-eared Owl
Short-eared Owl
Boreal Owl
Northern Saw-whet Owl
owl sp.
Kingfishers
Belted Kingfisher
Woodpeckers
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
Red-naped x Red-breasted Sapsucker (hybrid)
sapsucker sp.
Lewis's Woodpecker
Red-headed Woodpecker
Acorn Woodpecker
Red-bellied Woodpecker
American Three-toed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Downy x Hairy Woodpecker (hybrid)
Downy/Hairy Woodpecker
Dryobates sp.
Northern Flicker
Northern/Gilded Flicker
woodpecker sp.
Falcons and Caracaras
American Kestrel
Merlin
Gyrfalcon
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
Cockatoos
Cockatiel
Parrots, Parakeets, and Allies
Budgerigar
Red-crowned Parrot
parakeet sp.
Tyrant Flycatchers: Pewees, Kingbirds, and Allies
Olive-sided Flycatcher
Western Wood-Pewee
Eastern Wood-Pewee
Western/Eastern Wood-Pewee
pewee sp. (Contopus sp.)
Yellow-bellied Flycatcher
Alder Flycatcher
Willow Flycatcher
Alder/Willow Flycatcher (Traill's Flycatcher)
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Gray/Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Eastern Phoebe
Black x Eastern Phoebe (hybrid)
Say's Phoebe
Black x Say's Phoebe (hybrid)
phoebe sp.
Vermilion Flycatcher
Ash-throated Flycatcher
Great Crested Flycatcher
Myiarchus sp.
Cassin's Kingbird
Western Kingbird
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
Eastern Kingbird
Scissor-tailed Flycatcher
Fork-tailed Flycatcher
Tyrannus sp.
new world flycatcher sp.
Vireos
White-eyed Vireo
Bell's Vireo
Yellow-throated Vireo
Cassin's Vireo
Blue-headed Vireo
Cassin's/Blue-headed Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
solitary vireo sp.
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo
vireo sp.
Shrikes
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
shrike sp.
Jays, Magpies, Crows, and Ravens
Canada Jay
Pinyon Jay
Steller's Jay
Blue Jay
Woodhouse's Scrub-Jay
Steller's Jay x Woodhouse's Scrub-Jay (hybrid)
jay sp.
Black-billed Magpie
Clark's Nutcracker
American Crow
Chihuahuan Raven
Common Raven
raven sp.
crow/raven sp.
Tits, Chickadees, and Titmice
Black-capped Chickadee
Mountain Chickadee
Black-capped x Mountain Chickadee (hybrid)
Black-capped/Mountain Chickadee
chickadee sp.
Larks
Horned Lark
Martins and Swallows
Bank Swallow
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
Cliff/Cave Swallow
swallow sp.
Long-tailed Tits and Bushtit
Bushtit
Kinglets
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
Nuthatches
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Treecreepers
Brown Creeper
Gnatcatchers
Blue-gray Gnatcatcher
Wrens
Rock Wren
Canyon Wren
House Wren
Pacific Wren
Winter Wren
Pacific/Winter Wren
Sedge Wren
Marsh Wren
Sedge/Marsh Wren
Carolina Wren
Bewick's Wren
wren sp.
Dippers
American Dipper
Starlings and Mynas
European Starling
Catbirds, Mockingbirds, and Thrashers
Gray Catbird
Curve-billed Thrasher
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Thrushes
Eastern Bluebird
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Veery
Gray-cheeked Thrush
Swainson's Thrush
Hermit Thrush
Catharus sp.
Wood Thrush
American Robin
thrush sp.
Waxwings
Bohemian Waxwing
Cedar Waxwing
Bohemian/Cedar Waxwing
Silky-flycatchers
Phainopepla
Old World Sparrows
House Sparrow
Wagtails and Pipits
American Pipit
Sprague's Pipit
pipit sp.
Finches, Euphonias, and Allies
Brambling
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
Black Rosy-Finch
Brown-capped Rosy-Finch
rosy-finch sp.
House Finch
Purple Finch
House/Purple Finch
Cassin's Finch
Purple/Cassin's Finch
Haemorhous sp.
Common Redpoll
Hoary Redpoll
Common/Hoary Redpoll
Red Crossbill
Red/Cassia Crossbill
White-winged Crossbill
crossbill sp.
European Goldfinch
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
finch sp.
Longspurs and Snow Buntings
Lapland Longspur
Chestnut-collared Longspur
Smith's Longspur
Thick-billed Longspur
longspur sp.
Snow Bunting
New World Sparrows
Cassin's Sparrow
Grasshopper Sparrow
Chipping Sparrow
Clay-colored Sparrow
Field Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
White-crowned/White-throated Sparrow
Zonotrichia sp.
Sagebrush Sparrow
Vesper Sparrow
LeConte's Sparrow
Ammospiza sp.
Savannah Sparrow
Baird's Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Lincoln's/Swamp Sparrow
Canyon Towhee
Rufous-crowned Sparrow
Green-tailed Towhee
Spotted Towhee
Eastern Towhee
Spotted x Eastern Towhee (hybrid)
Spotted/Eastern Towhee (Rufous-sided Towhee)
towhee sp.
new world sparrow sp.
Yellow-breasted Chat
Yellow-breasted Chat
Blackbirds
Yellow-headed Blackbird
Bobolink
Western Meadowlark
Eastern Meadowlark
Western/Eastern Meadowlark
Chihuahuan Meadowlark
Western/Chihuahuan Meadowlark
Sturnella meadowlark sp.
Orchard Oriole
Bullock's Oriole
Baltimore Oriole
Bullock's x Baltimore Oriole (hybrid)
Bullock's/Baltimore Oriole
Scott's Oriole
new world oriole sp.
Red-winged Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Rusty/Brewer's Blackbird
Common Grackle
Great-tailed Grackle
grackle sp.
blackbird sp.
Wood-Warblers
Ovenbird
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Golden-winged/Blue-winged Warbler
Black-and-white Warbler
Prothonotary Warbler
Swainson's Warbler
Tennessee Warbler
Orange-crowned Warbler
Nashville Warbler
Virginia's Warbler
Connecticut Warbler
MacGillivray's Warbler
Mourning Warbler
MacGillivray's/Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
Grace's Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Townsend's x Black-throated Green Warbler (hybrid)
Setophaga sp.
Canada Warbler
Wilson's Warbler
new world warbler sp.
Cardinals, Grosbeaks, and Allies
Summer Tanager
Scarlet Tanager
Western Tanager
tanager sp. (Piranga sp.)
Northern Cardinal
Rose-breasted Grosbeak
Black-headed Grosbeak
Rose-breasted x Black-headed Grosbeak (hybrid)
Rose-breasted/Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli x Indigo Bunting (hybrid)
Lazuli/Indigo Bunting
Painted Bunting
Passerina sp.
Dickcissel
Tanagers and Allies
Sporophila sp.
Others
passerine sp.
bird sp.