Based on 2,498 research-grade iNaturalist observations in Wisconsin, Red-bellied Woodpecker is most often recorded in May; in Wisconsin it behaves like a year-round resident. It ranks #20 among birds recorded in the state in our data.
Melanerpes carolinus
Red-bellied Woodpecker in Wisconsin 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 Wisconsin in May
Red-winged Blackbird

American Robin

Baltimore Oriole
Canada Goose

Mallard

Rose-breasted Grosbeak
Gray Catbird
Sandhill Crane
Places to look in Wisconsin
Aztalan State Park
Wyalusing State Park
Chequamegon–Nicolet National Forest
Merrick State Park
Perrot State Park
Lake Kegonsa State Park
FAQ
When does Red-bellied Woodpecker appear in Wisconsin?
Mainly August–June, with the most records in May.
How common is Red-bellied Woodpecker in Wisconsin?
It ranks #20 by number of iNaturalist observations among birds in Wisconsin (2,498 records in our sample).