Mammals most often photographed in Illinois, from 64,436 research-grade iNaturalist observations, with their seasonal patterns.
Illinois mammal calendar (top 40)
Fewer More observations (relative to each row's peak month)
Activity by month (all species)
Most-photographed mammals in Illinois
Eastern Gray Squirrel
White-tailed Deer
Eastern Cottontail
Eastern Chipmunk
Common Raccoon
Eastern Fox Squirrel
Coyote
Virginia Opossum
Muskrat
Groundhog
American Beaver
Domestic Cat
Red Fox
Striped Skunk
Northern Short-tailed Shrew
Thirteen-lined Ground Squirrel
