Birds in Colorado

Explore 142 species found in this region.

Visiting in April? Look out for Baird's Sandpiper and Barn Swallow arriving this month, and American Tree Sparrow and Greater White-fronted Goose depart for the season.

Ruby-crowned Kinglet
Ruby-crowned KingletSmallest · 9cm
to
Trumpeter Swan
Trumpeter SwanLargest · 157cm
Ranges from the Ruby-crowned Kinglet (9cm) to the Trumpeter Swan (157cm)37 families represented

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Showing 1–23 of 142 species

ResidentLives here year-roundBreedingVisits to breed in warmer monthsNon-breedingVisits outside breeding seasonPassagePasses through during migrationCommonly spottedReported on most outingsUncommonly spottedPresent but not always seenRarely spottedFew sightings each year
American Avocet

American Avocet

Recurvirostra americanaLC

BreedingUncommonly spotted

Mar–Oct

J
F
M
A
M
J
J
A
S
O
N
D
American Crow

American Crow

Corvus brachyrhynchosLC

ResidentCommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
American Herring Gull

American Herring Gull

Larus smithsonianusLC

Non-breedingUncommonly spotted

Oct–Apr

J
F
M
A
M
J
J
A
S
O
N
D
American Redstart

American Redstart

Setophaga ruticillaLC

PassageRarely spotted

May–Sep

J
F
M
A
M
J
J
A
S
O
N
D
American Robin

American Robin

Turdus migratoriusLC

ResidentCommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
American Three-toed Woodpecker

American Three-toed Woodpecker

Picoides dorsalisLC

PassageRarely spotted

Jun–Aug

J
F
M
A
M
J
J
A
S
O
N
D
American Tree Sparrow

American Tree Sparrow

Spizelloides arboreaLC

Non-breedingUncommonly spotted

Oct–Mar

J
F
M
A
M
J
J
A
S
O
N
D
Baird's Sandpiper

Baird's Sandpiper

Calidris bairdiiLC

BreedingRarely spotted

Apr–Oct

J
F
M
A
M
J
J
A
S
O
N
D

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Bald Eagle

Bald Eagle

Haliaeetus leucocephalusLC

ResidentUncommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Barn Swallow

Barn Swallow

Hirundo rusticaLC

BreedingCommonly spotted

Apr–Oct

J
F
M
A
M
J
J
A
S
O
N
D
Black Tern

Black Tern

Chlidonias nigerLC

PassageRarely spotted

May–Sep

J
F
M
A
M
J
J
A
S
O
N
D
Black-crowned Night-heron

Black-crowned Night-heron

Nycticorax nycticoraxLC

BreedingRarely spotted

Apr–Oct

J
F
M
A
M
J
J
A
S
O
N
D
Black-necked Grebe

Black-necked Grebe

Podiceps nigricollisLC

ResidentRarely spotted

Mar–Dec

J
F
M
A
M
J
J
A
S
O
N
D
Blackpoll Warbler

Blackpoll Warbler

Setophaga striataNT

PassageRarely spotted

May

J
F
M
A
M
J
J
A
S
O
N
D
Blue Jay

Blue Jay

Cyanocitta cristataLC

ResidentCommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Bobolink

Bobolink

Dolichonyx oryzivorusLC

PassageRarely spotted

May–Jun

J
F
M
A
M
J
J
A
S
O
N
D
Bohemian Waxwing

Bohemian Waxwing

Bombycilla garrulusLC

PassageRarely spotted

Jan

J
F
M
A
M
J
J
A
S
O
N
D
Bonaparte's Gull

Bonaparte's Gull

Chroicocephalus philadelphiaLC

PassageRarely spotted

Oct–Apr

J
F
M
A
M
J
J
A
S
O
N
D
Broad-winged Hawk

Broad-winged Hawk

Buteo platypterusLC

PassageRarely spotted

May

J
F
M
A
M
J
J
A
S
O
N
D
Burrowing Owl

Burrowing Owl

Athene cuniculariaLC

BreedingRarely spotted

Apr–Sep

J
F
M
A
M
J
J
A
S
O
N
D
Cackling Goose

Cackling Goose

Branta hutchinsiiLC

Non-breedingUncommonly spotted

Oct–Apr

J
F
M
A
M
J
J
A
S
O
N
D
Canada Goose

Canada Goose

Branta canadensisLC

ResidentCommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Cedar Waxwing

Cedar Waxwing

Bombycilla cedrorumLC

ResidentUncommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
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