Based on 1,615 research-grade iNaturalist observations in Massachusetts, Muskrat is most often recorded in April; in Massachusetts it behaves like a seasonal. It ranks #11 among mammals recorded in the state in our data.
Ondatra zibethicus
Muskrat in Massachusetts 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 Massachusetts in April
Eastern Gray Squirrel
Eastern Cottontail
White-tailed Deer
American Beaver
Eastern Chipmunk
Common Raccoon
American Red Squirrel
Coyote
Places to look in Massachusetts
Botanical GardenArnold Arboretum
Botanical GardenBoston Public Garden
Botanical GardenBerkshire Botanical Garden
State ParkHalibut Point State Park
State ParkHammond Pond Reservation
State ParkTolland State Forest
FAQ
When does Muskrat appear in Massachusetts?
Mainly March–July, with the most records in April.
How common is Muskrat in Massachusetts?
It ranks #11 by number of iNaturalist observations among mammals in Massachusetts (1,615 records in our sample).