- woodchuck, groundhog, whistlepig
Marmota monax
- American marten
Martes americana
- striped skunk
Mephitis mephitis
- prairie vole
Microtus ochrogaster
- little brown bat
Myotis lucifugus
- American mink
Neovison vison
- evening bat
Nycticeius humeralis
- muskrat
Ondatra zibethicus
- eastern pipistrelle
Pipistrellus subflavus