New World Blackbirds in Colorado
Our list for Colorado has 5 new world blackbirds recorded regularly there: 1 resident and 4 summer visitors
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 5, most common first
Red-winged BlackbirdAgelaius phoeniceusResidentCommon17–23 cmRecorded all year
Western MeadowlarkSturnella neglectaSummer visitorCommon16–26 cmRecorded all year
Common GrackleQuiscalus quisculaSummer visitorCommon28–34 cmRegularly Mar–Oct
BobolinkDolichonyx oryzivorusSummer visitorUncommon16–20 cmRegularly May–Jul
Baltimore OrioleIcterus galbulaSummer visitorRare17–19 cmRegularly May–Sep
Smallest to largest
Length, cm- Bobolink 16–20 cm
- Baltimore Oriole 17–19 cm
- Red-winged Blackbird 17–23 cm
- Western Meadowlark 16–26 cm
- Common Grackle 28–34 cm
Body length, bill to tail. Rare birds in grey.
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