Based on 2,124 research-grade iNaturalist observations in Wisconsin, American White Pelican is most often recorded in April; in Wisconsin it behaves like a summer visitor / breeder. It ranks #25 among birds recorded in the state in our data.
Pelecanus erythrorhynchos
American White Pelican 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 April

American Robin
Canada Goose
Red-winged Blackbird

Mallard

Northern Cardinal

Wild Turkey
Sandhill Crane

Mourning Dove
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 American White Pelican appear in Wisconsin?
Mainly April–August, with the most records in April.
How common is American White Pelican in Wisconsin?
It ranks #25 by number of iNaturalist observations among birds in Wisconsin (2,124 records in our sample).