Based on 1,848 research-grade iNaturalist observations in Pennsylvania, American Beaver is most often recorded in April; in Pennsylvania it behaves like a seasonal. It ranks #8 among mammals recorded in the state in our data.
Castor canadensis
American Beaver in Pennsylvania 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 Pennsylvania in April
Eastern Gray Squirrel
White-tailed Deer
Eastern Cottontail
Groundhog
Eastern Chipmunk
Red Fox
Common Raccoon
American Red Squirrel
Places to look in Pennsylvania
National ForestAllegheny National Forest
State ParkPresque Isle State Park
Botanical GardenJenkins Arboretum
State ParkCherry Springs State Park
State ParkColton Point State Park
State ParkLeonard Harrison State Park
FAQ
When does American Beaver appear in Pennsylvania?
Mainly October–July, with the most records in April.
How common is American Beaver in Pennsylvania?
It ranks #8 by number of iNaturalist observations among mammals in Pennsylvania (1,848 records in our sample).