BirdAnalyst
State · BBS 2025 Release · 1966–2024

Colorado Breeding Birds

257 species recorded across 158 survey routes, 1968 to 2024. Browse by family or guild below.

Colorado Bird Population Trends

long arc declinecomputed index

Mountain Plover has collapsed in Colorado: down 96% on the route-weighted index since 1970.

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Ring-necked Pheasant has collapsed in Colorado: down 95% on the route-weighted index since 1970.

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Chestnut-collared Longspur has collapsed in Colorado: down 95% on the route-weighted index since 1977.

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Band-tailed Pigeon has collapsed in Colorado: down 94% on the route-weighted index since 1975.

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Black-crowned Night Heron has collapsed in Colorado: down 94% on the route-weighted index since 1970.

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White-faced Ibis has collapsed in Colorado: down 94% on the route-weighted index since 1991.

How Bird Guilds Are Faring in Colorado

-97%

Game birds

10 species
-74%

Wetland birds

23 species
-67%

Grassland birds

15 species
-63%

Shorebirds

8 species
-43%

Generalists

14 species
-42%

Birds of prey

18 species
-24%

Aerial insectivores

23 species
-10%

Arid-land birds

7 species
-2%

Waterfowl

14 species
+18%

Forest birds

79 species

Colorado Bird Survey Routes

Browse Colorado Birds By Family

Each species links to its trend in Colorado.

Hawks, Eagles & Kites Accipitridae

American Goshawk -60%Bald Eagle +40%Cooper's Hawk -21%Ferruginous Hawk -58%Golden Eagle -16%Northern Harrier -83%Red-tailed Hawk +372%Sharp-shinned Hawk -70%Swainson's Hawk +44%

Bushtits Aegithalidae

Bushtit +261%

Larks Alaudidae

Horned Lark -50%

Kingfishers Alcedinidae

Belted Kingfisher -76%

Ducks, Geese & Waterfowl Anatidae

American Wigeon -5%Blue-winged Teal +17%Canada Goose +329%Cinnamon Teal -32%Common Merganser +232%Gadwall +128%Green-winged Teal -36%Lesser Scaup +568%Mallard -11%Northern Pintail -91%Northern Shoveler +42%Redhead -17%Ring-necked Duck -47%Ruddy Duck +120%

Swifts Apodidae

Chimney Swift -82%White-throated Swift +244%

Herons, Egrets & Bitterns Ardeidae

American Bittern -81%Black-crowned Night Heron -94%Great Blue Heron +219%Snowy Egret -65%

Waxwings Bombycillidae

Cedar Waxwing +371%

Longspurs & Snow Buntings Calcariidae

Chestnut-collared Longspur -95%Thick-billed Longspur +60%

Nightjars & Nighthawks Caprimulgidae

Common Nighthawk +83%Common Poorwill -16%

Cardinals & Grosbeaks Cardinalidae

Black-headed Grosbeak +216%Blue Grosbeak +74%Dickcissel +434%Indigo Bunting -64%Lazuli Bunting +340%Western Tanager +122%

New World Vultures Cathartidae

Turkey Vulture +359%

Treecreepers Certhiidae

Brown Creeper -29%

Plovers & Lapwings Charadriidae

Killdeer -66%Mountain Plover -96%

Dippers Cinclidae

American Dipper -46%

Pigeons & Doves Columbidae

Band-tailed Pigeon -94%Eurasian Collared-Dove 26×Mourning Dove -21%Rock Pigeon -35%

Crows, Jays & Magpies Corvidae

American Crow -25%Black-billed Magpie -46%Blue Jay +27%Canada Jay +47%Chihuahuan Raven +285%Clark's Nutcracker 20×Common Raven +717%Pinyon Jay +260%Steller's Jay -26%Woodhouse's Scrub-Jay +110%

Cuckoos, Roadrunners & Anis Cuculidae

Greater Roadrunner -76%Yellow-billed Cuckoo -77%

Falcons & Caracaras Falconidae

American Kestrel -29%Peregrine Falcon +257%Prairie Falcon -67%

Finches Fringillidae

American Goldfinch +186%Cassin's Finch +514%Evening Grosbeak +43%House Finch +64%Lesser Goldfinch +313%Pine Grosbeak +26%Pine Siskin +10%Red Crossbill +161%

Cranes Gruidae

Sandhill Crane +165%

Swallows & Martins Hirundinidae

Bank Swallow -54%Barn Swallow -47%Cliff Swallow -32%Northern Rough-winged Swallow -43%Purple Martin +15%Tree Swallow +40%Violet-green Swallow +46%

Blackbirds & Orioles Icteridae

Baltimore Oriole -74%Bobolink -80%Brewer's Blackbird -55%Brown-headed Cowbird +391%Bullock's Oriole +121%Common Grackle +176%Great-tailed Grackle +239%Orchard Oriole -8%Red-winged Blackbird -31%Western Meadowlark -47%Yellow-headed Blackbird +353%

Yellow-breasted Chat Icteriidae

Yellow-breasted Chat +3%

Shrikes Laniidae

Loggerhead Shrike -69%

Gulls, Terns & Skimmers Laridae

Black Tern -6%California Gull 148×Forster's Tern -77%Ring-billed Gull +59%

Mockingbirds & Thrashers Mimidae

Brown Thrasher -81%Curve-billed Thrasher +46%Gray Catbird -23%Northern Mockingbird +207%Sage Thrasher +798%

Wagtails & Pipits Motacillidae

American Pipit +311%

New World Quail Odontophoridae

Gambel's Quail +135%Northern Bobwhite -75%Scaled Quail -65%

Osprey Pandionidae

Osprey +247%

Chickadees & Titmice Paridae

Black-capped Chickadee +84%Juniper Titmouse -42%Mountain Chickadee +119%

Wood-Warblers Parulidae

Black-throated Gray Warbler +215%Common Yellowthroat +168%Grace's Warbler +151%MacGillivray's Warbler +8%Orange-crowned Warbler +416%Virginia's Warbler +321%Wilson's Warbler -8%Yellow Warbler -9%

New World Sparrows Passerellidae

Black-throated Sparrow +37%Brewer's Sparrow +103%Canyon Towhee -41%Cassin's Sparrow +215%Chipping Sparrow +152%Fox Sparrow +395%Grasshopper Sparrow -63%Green-tailed Towhee +69%Lark Bunting -86%Lark Sparrow +207%Lincoln's Sparrow +141%Sagebrush Sparrow +40%Savannah Sparrow +49%Song Sparrow -13%Spotted Towhee 19×Vesper Sparrow 19×White-crowned Sparrow +440%

Old World Sparrows Passeridae

House Sparrow -76%

Pelicans Pelecanidae

American White Pelican 33×

Cormorants Phalacrocoracidae

Double-crested Cormorant 19×

Pheasants, Grouse & Turkeys Phasianidae

Chukar -66%Dusky Grouse -78%Greater Prairie-Chicken +81%Greater Sage-Grouse -84%Gunnison Sage-Grouse -77%Ring-necked Pheasant -95%Wild Turkey +779%

Woodpeckers Picidae

American Three-toed Woodpecker +8%Downy Woodpecker -47%Hairy Woodpecker +251%Ladder-backed Woodpecker -34%Lewis's Woodpecker -46%Red-headed Woodpecker -47%Red-naped Sapsucker +211%Williamson's Sapsucker +164%

Grebes Podicipedidae

Eared Grebe +15%Pied-billed Grebe -27%Western Grebe +3%

Gnatcatchers Polioptilidae

Blue-gray Gnatcatcher +647%

Rails, Gallinules & Coots Rallidae

American Coot -7%Sora +77%Virginia Rail -73%

Avocets & Stilts Recurvirostridae

American Avocet +5%Black-necked Stilt -9%

Kinglets Regulidae

Golden-crowned Kinglet -20%Ruby-crowned Kinglet +823%

Sandpipers & Allies Scolopacidae

Long-billed Curlew -92%Spotted Sandpiper -25%Upland Sandpiper -94%Wilson's Phalarope -74%Wilson's Snipe +87%

Nuthatches Sittidae

Pygmy Nuthatch -27%Red-breasted Nuthatch +440%White-breasted Nuthatch +210%

Owls Strigidae

Burrowing Owl -59%Great Horned Owl -51%Northern Pygmy-Owl -5%Short-eared Owl -69%

Starlings & Mynas Sturnidae

European Starling +20%

Ibises & Spoonbills Threskiornithidae

White-faced Ibis -94%

Hummingbirds Trochilidae

Black-chinned Hummingbird +68%Broad-tailed Hummingbird -5%

Wrens Troglodytidae

Bewick's Wren +92%Canyon Wren -35%Marsh Wren -66%Northern House Wren +69%Rock Wren +252%

Thrushes Turdidae

American Robin +20%Eastern Bluebird -74%Hermit Thrush +277%Mountain Bluebird +166%Swainson's Thrush +200%Townsend's Solitaire +93%Veery -87%Western Bluebird +52%

Tyrant Flycatchers Tyrannidae

Ash-throated Flycatcher +839%Cassin's Kingbird -8%Dusky Flycatcher +557%Eastern Kingbird -75%Eastern Phoebe -9%Gray Flycatcher +435%Hammond's Flycatcher +390%Olive-sided Flycatcher -40%Say's Phoebe +30%Western Kingbird -7%Western Wood-Pewee +25%Willow Flycatcher -61%

Vireos Vireonidae

Gray Vireo +374%Plumbeous Vireo +41%Warbling Vireo +332%

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.