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 93–115 of 142 species

Red Crossbill

Red Crossbill

Loxia curvirostraLC

ResidentRarely spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Red-breasted Merganser

Red-breasted Merganser

Mergus serratorLC

Non-breedingRarely spotted

Nov–Apr

J
F
M
A
M
J
J
A
S
O
N
D
Red-headed Woodpecker

Red-headed Woodpecker

Melanerpes erythrocephalusLC

BreedingRarely spotted

May–Sep

J
F
M
A
M
J
J
A
S
O
N
D
Red-naped Sapsucker

Red-naped Sapsucker

Sphyrapicus nuchalisLC

BreedingRarely spotted

Apr–Oct

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

Red-necked Grebe

Podiceps grisegenaLC

PassageRarely spotted

Nov

J
F
M
A
M
J
J
A
S
O
N
D
Red-necked Phalarope

Red-necked Phalarope

Phalaropus lobatusLC

PassageRarely spotted

May–Sep

J
F
M
A
M
J
J
A
S
O
N
D
Red-tailed Hawk

Red-tailed Hawk

Buteo jamaicensisLC

ResidentCommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Red-winged Blackbird

Red-winged Blackbird

Agelaius phoeniceusLC

ResidentCommonly spotted

Year-round

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

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Ring-billed Gull

Ring-billed Gull

Larus delawarensisLC

ResidentUncommonly spotted

Year-round

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

Rock Dove

Columba liviaLC

ResidentUncommonly spotted

Year-round

J
F
M
A
M
J
J
A
S
O
N
D
Rose-breasted Grosbeak

Rose-breasted Grosbeak

Pheucticus ludovicianusLC

PassageRarely spotted

May

J
F
M
A
M
J
J
A
S
O
N
D
Ross's Goose

Ross's Goose

Anser rossiiLC

Non-breedingRarely spotted

Nov–Mar

J
F
M
A
M
J
J
A
S
O
N
D
Rough-legged Hawk

Rough-legged Hawk

Buteo lagopusLC

Non-breedingRarely spotted

Nov–Mar

J
F
M
A
M
J
J
A
S
O
N
D
Ruby-crowned Kinglet

Ruby-crowned Kinglet

Corthylio calendulaLC

ResidentUncommonly spotted

Year-round

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

Ruddy Duck

Oxyura jamaicensisLC

ResidentUncommonly spotted

Year-round

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

Sabine's Gull

Xema sabiniLC

PassageRarely spotted

Sep–Oct

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

Sand Martin

Riparia ripariaLC

BreedingRarely spotted

Apr–Sep

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

Sanderling

Calidris albaLC

PassageRarely spotted

Sep

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

Sandhill Crane

Antigone canadensisLC

ResidentRarely spotted

Sep–May

J
F
M
A
M
J
J
A
S
O
N
D
Say's Phoebe

Say's Phoebe

Sayornis sayaLC

ResidentUncommonly spotted

Year-round

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

Semipalmated Plover

Charadrius semipalmatusLC

PassageRarely spotted

Apr–Sep

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

Semipalmated Sandpiper

Calidris pusillaNT

PassageRarely spotted

Apr–Sep

J
F
M
A
M
J
J
A
S
O
N
D
Sharp-shinned Hawk

Sharp-shinned Hawk

Accipiter striatusLC

ResidentRarely spotted

Aug–May

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