Based on 1,544 research-grade iNaturalist observations in Michigan, American Beaver is most often recorded in April; in Michigan it behaves like a spring and fall migrant. It ranks #10 among mammals recorded in the state in our data.
Castor canadensis
American Beaver 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 April
White-tailed Deer
Eastern Fox Squirrel
Eastern Gray Squirrel
Eastern Cottontail
Eastern Chipmunk
Muskrat
American Red Squirrel
Common Raccoon
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 American Beaver appear in Michigan?
Mainly March–October, with the most records in April.
How common is American Beaver in Michigan?
It ranks #10 by number of iNaturalist observations among mammals in Michigan (1,544 records in our sample).