Common Birds in Colorado
Our list for Colorado has 58 common birds recorded regularly there: 22 residents, 22 summer visitors, 13 winter visitors and 1 passage migrant
Most likely in October
GBIF · OctShare of all bird records in Colorado in October, 2019–2024. Each month links to that month’s page.
All 58, most common first
House FinchHaemorhous mexicanusResidentCommon13–15 cmRecorded all year
American RobinTurdus migratoriusResidentCommon20–28 cmRecorded all year
Northern FlickerColaptes auratusResidentCommon28–31 cmRecorded all year
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year
Red-winged BlackbirdAgelaius phoeniceusResidentCommon17–23 cmRecorded all year
American CrowCorvus brachyrhynchosResidentCommon41–53 cmRecorded all year
Red-tailed HawkButeo jamaicensisResidentCommon45–65 cmRecorded all year
Blue JayCyanocitta cristataResidentCommon25–30 cmRecorded all year
White-crowned SparrowZonotrichia leucophrysWinter visitorCommon15–16 cmRecorded all year
Mourning DoveZenaida macrouraSummer visitorCommon23–34 cmRecorded all year
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year
Ring-billed GullLarus delawarensisWinter visitorCommon43–54 cmRegularly Jul–May
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year
GoldeneyeBucephala clangulaWinter visitorCommon40–51 cmRegularly Nov–Apr
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Oct
Western MeadowlarkSturnella neglectaSummer visitorCommon16–26 cmRecorded all year
Northern Yellow WarblerSetophaga aestivaSummer visitorCommon12–13 cmRegularly May–Sep
Cackling GooseBranta hutchinsiiWinter visitorCommon53–76 cmRegularly Oct–Mar
GadwallMareca streperaWinter visitorCommon46–56 cmRecorded all year
Common GrackleQuiscalus quisculaSummer visitorCommon28–34 cmRegularly Mar–Oct
Song SparrowMelospiza melodiaResidentCommon12–17 cmRecorded all year
Common RavenCorvus coraxResidentCommon54–67 cmRecorded all year
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made