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Mammals of Montgomery County

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