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.
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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