Official Colorado State List

519 Species as of 3/21/2023

Following is the current official state checklist for Colorado.  It includes all species for which the CBRC has deemed that sufficient evidence has been provided to show that the species has occurred in the state.  You may download the printable checklist (PDF) for field use.

Ducks, Geese, and Swans (Anatidae)
Black-bellied Whistling-Duck
Fulvous Whistling-Duck
Snow Goose
Ross's Goose
Greater White-fronted Goose
Pink-footed Goose
Barnacle Goose
Cackling Goose
Canada Goose
Trumpeter Swan
Tundra Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Eurasian Wigeon
American Wigeon
Mexican Duck
American Black Duck
Mottled Duck
Northern Pintail
Green-winged Teal
Ring-necked Duck
Tufted Duck
Greater Scaup
Lesser Scaup
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
Long-tailed Duck
Common Goldeneye
Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
New World Quail (Odontophoridae)
Northern Bobwhite
Scaled Quail
California Quail
Gambel's Quail
Partridges, Grouse, Turkeys, and Old World Quail (Phasianidae)
Wild Turkey
Ruffed Grouse
White-tailed Ptarmigan
Greater Sage-Grouse
Gunnison Sage-Grouse
Dusky Grouse
Sharp-tailed Grouse
Greater Prairie-Chicken
Lesser Prairie-Chicken
Ring-necked Pheasant
Grebes (Podicipedidae)
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Pigeons and Doves (Columbidae)
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
Inca Dove
Common Ground Dove
Ruddy Ground Dove
White-winged Dove
Mourning Dove
Cuckoos, Roadrunners, and Anis (Cuculidae)
Groove-billed Ani
Greater Roadrunner
Yellow-billed Cuckoo
Black-billed Cuckoo
Goatsuckers (Caprimulgidae)
Lesser Nighthawk
Common Nighthawk
Common Poorwill
Eastern Whip-poor-will
Mexican Whip-poor-will
Swifts (Apodidae)
Black Swift
Chimney Swift
Vaux's Swift
White-throated Swift
Hummingbirds (Trochilidae)
Mexican Violetear
Rivoli’s Hummingbird
Blue-throated Mountain-gem
Ruby-throated Hummingbird
Black-chinned Hummingbird
Anna's Hummingbird
Costa's Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
Broad-billed Hummingbird
White-eared Hummingbird
Rails, Gallinules, and Coots (Rallidae)
King Rail
Virginia Rail
Common Gallinule
American Coot
Purple Gallinule
Yellow Rail
Black Rail
Cranes (Gruidae)
Sandhill Crane
Whooping Crane
Stilts and Avocets (Recurvirostridae)
Black-necked Stilt
American Avocet
Lapwings and Plovers (Charadriidae)
Black-bellied Plover
American Golden-Plover
Semipalmated Plover
Piping Plover
Mountain Plover
Snowy Plover
Sandpipers, Phalaropes, and Allies (Scolopacidae)
Upland Sandpiper
Eskimo Curlew
Long-billed Curlew
Hudsonian Godwit
Marbled Godwit
Ruddy Turnstone
Red Knot
Sharp-tailed Sandpiper
Stilt Sandpiper
Curlew Sandpiper
Purple Sandpiper
Baird's Sandpiper
Least Sandpiper
White-rumped Sandpiper
Buff-breasted Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
Western Sandpiper
Short-billed Dowitcher
Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Greater Yellowlegs
Wilson's Phalarope
Red-necked Phalarope
Red Phalarope
Skuas and Jaegers (Stercorariidae)
Pomarine Jaeger
Parasitic Jaeger
Long-tailed Jaeger
Auks, Murres, and Puffins (Alcidae)
Long-billed Murrelet
Ancient Murrelet
Gulls, Terns, and Skimmers (Laridae)
Black-legged Kittiwake
Ivory Gull
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Little Gull
Ross's Gull
Laughing Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
California Gull
Herring Gull
Iceland Gull
Lesser Black-backed Gull
Slaty-backed Gull
Glaucous-winged Gull
Glaucous Gull
Great Black-backed Gull
Kelp Gull
Sooty Tern
Least Tern
Caspian Tern
Black Tern
Common Tern
Arctic Tern
Forster's Tern
Royal Tern
Sandwich Tern
Black Skimmer
Loons (Gaviidae)
Red-throated Loon
Arctic Loon
Pacific Loon
Common Loon
Yellow-billed Loon
Storks (Ciconiidae)
Wood Stork
Frigatebirds (Fregatidae)
Magnificent Frigatebird
Boobies and Gannets (Sulidae)
Brown Booby
Darters (Anhingidae)
Cormorants (Phalacrocoracidae)
Double-crested Cormorant
Neotropic Cormorant
Pelicans (Pelecanidae)
American White Pelican
Brown Pelican
Bitterns, Herons, and Allies (Ardeidae)
American Bittern
Least Bittern
Great Blue Heron
Great Egret
Snowy Egret
Little Blue Heron
Tricolored Heron
Reddish Egret
Cattle Egret
Green Heron
Black-crowned Night-Heron
Yellow-crowned Night-Heron
Ibises and Spoonbills (Threskiornithidae)
White Ibis
Glossy Ibis
White-faced Ibis
Roseate Spoonbill
New World Vultures (Cathartidae)
Black Vulture
Turkey Vulture
Ospreys (Pandionidae)
Hawks, Kites, Eagles, and Allies (Accipitridae)
White-tailed Kite
Swallow-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Northern Goshawk
Bald Eagle
Mississippi Kite
Common Black Hawk
Harris's Hawk
Variable Hawk
Red-shouldered Hawk
Broad-winged Hawk
Swainson's Hawk
Zone-tailed Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Barn Owls (Tytonidae)
Barn Owl
Typical Owls (Strigidae)
Flammulated Owl
Western Screech-Owl
Eastern Screech-Owl
Great Horned Owl
Snowy Owl
Northern Pygmy-Owl
Burrowing Owl
Spotted Owl
Barred Owl
Long-eared Owl
Short-eared Owl
Boreal Owl
Northern Saw-whet Owl
Kingfishers (Alcedinidae)
Belted Kingfisher
Woodpeckers and Allies (Picidae)
Lewis's Woodpecker
Red-headed Woodpecker
Acorn Woodpecker
Red-bellied Woodpecker
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-naped Sapsucker
Red-breasted Sapsucker
American Three-toed Woodpecker
Downy Woodpecker
Ladder-backed Woodpecker
Hairy Woodpecker
Northern Flicker
Caracaras and Falcons (Falconidae)
Crested Caracara
American Kestrel
Peregrine Falcon
Prairie Falcon
Tyrant Flycatchers (Tyrannidae)
Dusky-capped Flycatcher
Ash-throated Flycatcher
Great Crested 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
Fork-tailed Flycatcher
Olive-sided Flycatcher
Western Wood-Pewee
Eastern Wood-Pewee
Yellow-bellied Flycatcher
Acadian Flycatcher
Alder Flycatcher
Willow Flycatcher
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Cordilleran Flycatcher
Buff-breasted Flycatcher
Black Phoebe
Eastern Phoebe
Say's Phoebe
Vermilion Flycatcher
Vireos (Vireonidae)
White-eyed Vireo
Bell's Vireo
Gray Vireo
Yellow-throated Vireo
Cassin's Vireo
Blue-headed Vireo
Plumbeous Vireo
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo
Yellow-green Vireo
Shrikes (Laniidae)
Loggerhead Shrike
Northern Shrike
Jays and Crows (Corvidae)
Canada Jay
Pinyon Jay
Steller's Jay
Blue Jay
Woodhouse's Scrub-Jay
Clark's Nutcracker
Black-billed Magpie
American Crow
Chihuahuan Raven
Common Raven
Chickadees and Titmice (Paridae)
Black-capped Chickadee
Mountain Chickadee
Juniper Titmouse
Larks (Alaudidae)
Horned Lark
Swallows (Hirundinidae)
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Purple Martin
Barn Swallow
Cliff Swallow
Cave Swallow
Bushtits (Aegithalidae)
Kinglets (Regulidae)
Ruby-crowned Kinglet
Golden-crowned Kinglet
Waxwings (Bombycillidae)
Bohemian Waxwing
Cedar Waxwing
Silky-flycatchers (Ptiliogonatidae)
Nuthatches (Sittidae)
Red-breasted Nuthatch
White-breasted Nuthatch
Pygmy Nuthatch
Creepers (Certhiidae)
Brown Creeper
Gnatcatchers (Polioptilidae)
Blue-gray Gnatcatcher
Wrens (Troglodytidae)
Rock Wren
Canyon Wren
Cactus Wren
Bewick's Wren
Carolina Wren
House Wren
Pacific Wren
Winter Wren
Sedge Wren
Marsh Wren
Mockingbirds and Thrashers (Mimidae)
Gray Catbird
Curve-billed Thrasher
Brown Thrasher
Long-billed Thrasher
Bendire's Thrasher
Sage Thrasher
Northern Mockingbird
Starlings (Sturnidae)
European Starling
Dippers (Cinclidae)
American Dipper
Thrushes (Turdidae)
Eastern Bluebird
Western Bluebird
Mountain Bluebird
Townsend's Solitaire
Gray-cheeked Thrush
Swainson's Thrush
Hermit Thrush
Wood Thrush
Rufous-backed Robin
American Robin
Varied Thrush
Old World Sparrows (Passeridae)
House Sparrow
Wagtails and Pipits (Motacillidae)
American Pipit
Sprague's Pipit
Fringilline and Cardueline Finches and Allies (Fringillidae)
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
Black Rosy-Finch
Brown-capped Rosy-Finch
House Finch
Purple Finch
Cassin's Finch
Common Redpoll
Hoary Redpoll
Red Crossbill
Cassia Crossbill
White-winged Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
Longspurs and Snow Buntings (Calcariidae)
Lapland Longspur
Chestnut-collared Longspur
Smith's Longspur
Thick-billed Longspur
Snow Bunting
New World Sparrows and Towhees (Passerellidae)
Cassin's Sparrow
Grasshopper Sparrow
Black-throated Sparrow
Lark Sparrow
Lark Bunting
Chipping Sparrow
Clay-colored Sparrow
Black-chinned Sparrow
Field Sparrow
Brewer's Sparrow
Fox Sparrow
American Tree Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Harris's Sparrow
White-throated Sparrow
Sagebrush Sparrow
Vesper Sparrow
LeConte's Sparrow
Nelson's Sparrow
Baird's Sparrow
Henslow's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Canyon Towhee
Rufous-crowned Sparrow
Green-tailed Towhee
Spotted Towhee
Eastern Towhee
Yellow-breasted Chat (Icteriidae)
Yellow-breasted Chat
Blackbirds (Icteridae)
Yellow-headed Blackbird
Chihuahuan Meadowlark
Eastern Meadowlark
Western Meadowlark
Orchard Oriole
Hooded Oriole
Streak-backed Oriole
Bullock's Oriole
Baltimore Oriole
Scott's Oriole
Red-winged Blackbird
Bronzed Cowbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Common Grackle
Great-tailed Grackle
Wood-Warblers (Parulidae)
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Black-and-white Warbler
Prothonotary Warbler
Swainson's Warbler
Tennessee Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Virginia's Warbler
Connecticut Warbler
MacGillivray's Warbler
Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Cape May Warbler
Cerulean Warbler
Northern Parula
Tropical 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
Golden-crowned Warbler
Canada Warbler
Wilson's Warbler
Red-faced Warbler
Painted Redstart
Cardinals, Piranga Tanagers and Allies (Cardinalidae)
Hepatic Tanager
Summer Tanager
Scarlet Tanager
Western Tanager
Northern Cardinal
Yellow Grosbeak
Rose-breasted Grosbeak
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Varied Bunting
Painted Bunting