Based on 2,795 research-grade iNaturalist observations in Vermont, Red-winged Blackbird is most often recorded in May; in Vermont it behaves like a seasonal. It ranks #11 among birds recorded in the state in our data.
Agelaius phoeniceus
Red-winged Blackbird in Vermont by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Vermont in May

American Robin
Canada Goose

Song Sparrow
Gray Catbird

Baltimore Oriole

Northern Yellow Warbler

Rose-breasted Grosbeak
Eastern Phoebe
Places to look in Vermont
State ParkElmore State Park
Quechee State Park
Wilgus State Park
Mount Philo State Park
Coolidge State Park
Crystal Lake State Park
FAQ
When does Red-winged Blackbird appear in Vermont?
Mainly March–June, with the most records in May.
How common is Red-winged Blackbird in Vermont?
It ranks #11 by number of iNaturalist observations among birds in Vermont (2,795 records in our sample).