Based on 1,947 research-grade iNaturalist observations in Minnesota, Brown-headed Cowbird is most often recorded in May; in Minnesota it behaves like a seasonal. It ranks #44 among birds recorded in the state in our data.
Molothrus ater
Brown-headed Cowbird in Minnesota 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 Minnesota in May
Red-winged Blackbird
Mallard
Canada Goose
American Robin
Baltimore Oriole
Rose-breasted Grosbeak
American Goldfinch
Northern Yellow Warbler
Places to look in Minnesota
National ForestChippewa National Forest
Botanical GardenUniversity of Minnesota Landscape Arboretum
State ParkItasca State Park
State ParkJudge C. R. Magney State Park
National ForestSuperior National Forest
State ParkFlandrau State Park
FAQ
When does Brown-headed Cowbird appear in Minnesota?
Mainly April–June, with the most records in May.
How common is Brown-headed Cowbird in Minnesota?
It ranks #44 by number of iNaturalist observations among birds in Minnesota (1,947 records in our sample).