This list includes species considered accidental, vagrant, introduced, or extirpated.
Common Name followed by the scientific name:
Local Species
- American beaver Castor canadensis
- Big brown bat Eptesicus fuscus
- Black bear Ursus americanus
- Black rat Rattus rattus
- Bobcat Lynx rufus – some recent sightings in Little Bennett and Rachel Carson
- Common gray fox Urocyon cinereoargenteus
- Common raccoon Procyon lotor
- Coyote Canis latrans
- Eastern chipmunk Tamias striatus
- Eastern cottontail Sylvilagus floridanus
- Eastern fox squirrel Sciurus niger
- Eastern gray squirrel Sciurus carolinensis
- Eastern mole Scalopus aquaticus
- Eastern pipistrelle Pipistrellus subflavus
- Eastern red bat Lasiurus borealis
- Hoary bat Lasiurus cinereus
- House mouse Mus musculus
- Least shrew Cryptotis parva
- Least weasel Mustela nivalis – old records from Mont Co but might be endangered now.
- Little brown myotis Myotis lucifugus
- Long-tailed weasel Mustela frenata
- Masked shrew Sorex cinereus or some now consider our sub species a true species Maryland Shrew Sorex fontinalis
- Meadow jumping mouse Zapus hudsonius
- Meadow vole Microtus pennsylvanicus
- Mink Mustela vison
- Muskrat Ondatra zibethicus
- Northern myotis Myotis septentrionalis
- Northern river otter Lutra canadensis
- Northern short-tailed shrew Blarina brevicauda
- Norway rat Rattus norvegicus
- Pygmy shrew Sorex hoyi
- Red fox Vulpes vulpes
- Silver-haired bat Lasionycteris noctivagans
- Southeastern shrew Sorex longirostris
- Star-nosed mole Condylura cristata
- White-footed mouse Peromyscus leucopus
- Woodchuck Marmota monax
- Woodland vole Microtus pinetorum
- Southern bog lemming Synaptomys cooperi
- Southern flying squirrel Glaucomys volans
- Striped skunk Mephitis mephitis
- Virginia opossum Didelphis virginiana
- White-tailed deer Odocoileus virginianus