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.
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Get Your Free DigestShowing 93–115 of 142 species

Red Crossbill
Loxia curvirostraLC
Year-round

Red-breasted Merganser
Mergus serratorLC
Nov–Apr

Red-headed Woodpecker
Melanerpes erythrocephalusLC
May–Sep

Red-naped Sapsucker
Sphyrapicus nuchalisLC
Apr–Oct

Red-necked Grebe
Podiceps grisegenaLC
Nov

Red-necked Phalarope
Phalaropus lobatusLC
May–Sep

Red-tailed Hawk
Buteo jamaicensisLC
Year-round

Red-winged Blackbird
Agelaius phoeniceusLC
Year-round
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Ring-billed Gull
Larus delawarensisLC
Year-round

Rock Dove
Columba liviaLC
Year-round

Rose-breasted Grosbeak
Pheucticus ludovicianusLC
May

Ross's Goose
Anser rossiiLC
Nov–Mar

Rough-legged Hawk
Buteo lagopusLC
Nov–Mar

Ruby-crowned Kinglet
Corthylio calendulaLC
Year-round

Ruddy Duck
Oxyura jamaicensisLC
Year-round

Sabine's Gull
Xema sabiniLC
Sep–Oct

Sand Martin
Riparia ripariaLC
Apr–Sep

Sanderling
Calidris albaLC
Sep

Sandhill Crane
Antigone canadensisLC
Sep–May

Say's Phoebe
Sayornis sayaLC
Year-round

Semipalmated Plover
Charadrius semipalmatusLC
Apr–Sep

Semipalmated Sandpiper
Calidris pusillaNT
Apr–Sep

Sharp-shinned Hawk
Accipiter striatusLC
Aug–May