Based on 2,531 research-grade iNaturalist observations in Michigan, Groundhog is most often recorded in June; in Michigan it behaves like a summer visitor / breeder. It ranks #8 among mammals recorded in the state in our data.
Marmota monax
Groundhog in Michigan 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 Michigan in June
White-tailed Deer
Eastern Chipmunk
Eastern Cottontail
Eastern Gray Squirrel
Common Raccoon
American Red Squirrel
Eastern Fox Squirrel
Muskrat
Places to look in Michigan
Wilderness AreaIsle Royale National Park
Botanical GardenBelle Isle Park
Botanical GardenFrederik Meijer Gardens & Sculpture Park
Botanical GardenLeila Arboretum
Botanical GardenNichols Arboretum
State ParkGrand Mere State Park
FAQ
When does Groundhog appear in Michigan?
Mainly April–September, with the most records in June.
How common is Groundhog in Michigan?
It ranks #8 by number of iNaturalist observations among mammals in Michigan (2,531 records in our sample).