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 · Oct
Share of all bird records in Colorado in October, 2019–2024. Each month links to that month’s page.
All 58, most common first
Ruddy DuckOxyura jamaicensisWinter visitorCommon35–43 cmRecorded all year
Mountain BluebirdSialia currucoidesSummer visitorCommon15–18 cmRecorded all year
Horned LarkEremophila alpestrisResidentCommon16–20 cmRecorded all year
American AvocetRecurvirostra americanaSummer visitorCommon43–51 cmRegularly Mar–Oct
Orange-crowned WarblerLeiothlypis celataSummer visitorCommon11–14 cmRegularly Apr–Oct
Lincoln's SparrowMelospiza lincolniiSummer visitorCommon13–15 cmRegularly Mar–Dec
Gray CatbirdDumetella carolinensisSummer visitorCommon20–24 cmRegularly May–Oct
Hairy WoodpeckerLeuconotopicus villosusResidentCommon18–26 cmRecorded all year
Common YellowthroatGeothlypis trichasSummer visitorCommon11–13 cmRegularly May–Oct
Cedar WaxwingBombycilla cedrorumResidentCommon15–18 cmRecorded all year
Greater YellowlegsTringa melanoleucaPassage migrantCommon29–40 cmRegularly Mar–Nov
Black-necked GrebePodiceps nigricollisSummer visitorCommon28–34 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