Birds in Colorado
Explore 142 species found in this region.
Visiting in September? Look out for American Redstart and Common Tern arriving this month, and American Three-toed Woodpecker and Marbled Godwit depart for the season.
Ranges from the Ruby-crowned Kinglet (9cm) to the Trumpeter Swan (157cm)37 families represented
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Get Your Free DigestShowing 139–142 of 142 species
Willow Flycatcher
Empidonax trailliiLC
PassageRarely spotted
May–Sep
J
F
M
A
M
J
J
A
S
O
N
D
Wilson's Phalarope
Phalaropus tricolorLC
BreedingRarely spotted
Apr–Sep
J
F
M
A
M
J
J
A
S
O
N
D
Wood Duck
Aix sponsaLC
ResidentRarely spotted
Year-round
J
F
M
A
M
J
J
A
S
O
N
D
Yellow-rumped Warbler
Setophaga coronataLC
ResidentUncommonly spotted
Year-round
J
F
M
A
M
J
J
A
S
O
N
D
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