Mammals most often photographed in Pennsylvania, from 81,062 research-grade iNaturalist observations, with their seasonal patterns.
Pennsylvania mammal calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed mammals in Pennsylvania
White-tailed Deer
Eastern Gray Squirrel
Eastern Cottontail
Eastern Chipmunk
Groundhog
Common Raccoon
Red Fox
American Beaver
Domestic Cat
American Red Squirrel
Virginia Opossum
American Black Bear
Northern Short-tailed Shrew
Eastern Fox Squirrel
North American Porcupine
Striped Skunk
