Based on 1,433 research-grade iNaturalist observations in Wisconsin, Mourning Cloak is most often recorded in June; in Wisconsin it behaves like a summer visitor / breeder. It ranks #9 among butterflies recorded in the state in our data.
Nymphalis antiopa
Mourning Cloak 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 June
Monarch
Red Admiral
Great Spangled Fritillary
Hobomok Skipper
Silver-spotted Skipper
Little Wood Satyr
Small White
Red-spotted Admiral
Places to look in Wisconsin
State ParkAztalan State Park
State ParkWyalusing State Park
National ForestChequamegon–Nicolet National Forest
State ParkMerrick State Park
State ParkPerrot State Park
State ParkLake Kegonsa State Park
FAQ
When does Mourning Cloak appear in Wisconsin?
Mainly April–July, with the most records in June.
How common is Mourning Cloak in Wisconsin?
It ranks #9 by number of iNaturalist observations among butterflies in Wisconsin (1,433 records in our sample).