About the Mammals of Pennsylvania

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Question: What is the distribution of [selected mammal]?

Answer: Some mammals are found throughout the Commonwealth of Pennsylvania. Others have very limited distributions due to such factors as soil requirements, food preferences, or geographic barriers to disbursal.

Maps are shown for each species whose current distribution is known. The larger map shows the counties from which specimens are represented in our collection. The Mammals of Pennsylvania On-Line Resource includes several species that have been extirpated (no longer occur in the Commonwealth). Although some have been reintroduced recently, maps are not provided for these species. Please click on highlighted names to see current distribution for that mammal. If you wish to return to this menu after reading about the selected mammal, please use the “Back” key at the top of your browser.


MAMMALS OF PENNSYLVANIA

Common name Scientific name
Pouched mammalsMarsupialia
Opossum Didelphis virginiana
Shrew familySoricidae
Short-tailed shrew Blarina brevicauda
Least shrew Cryptotis parva
Masked shrew Sorex cinereus
Long-tailed or Rock shrew Sorex dispar
Smoky shrew Sorex fumeus
Pygmy shrew Sorex hoyi
Water shrew Sorex palustris
Mole familyTalpidae
Eastern mole Scalopus aquaticus
Hairy-tailed mole Parascalops breweri
Star-nosed mole Condylura cristata
Evening bat familyVespertilionidae
Big brown bat Eptesicus fuscus
Silver-haired bat Lasionycteris noctivagans
Red bat Lasiurus borealis
Hoary bat Lasiurus cinereus
Small-footed bat Myotis leibii
Northern long-eared bat Myotis septentrionalis
Little brown bat Myotis lucifugus
Indiana bat Myotis sodalis
Evening bat Nycticeius humeralis
Eastern pipistrelle Pipistrellus subflavus
Rabbits and haresLagomorpha
Snowshoe hare Lepus americanus
Eastern cottontail Sylvilagus floridanus
Appalachian cottontail Sylvilagus obscurus
Squirrel familySciuridae
Woodchuck or Groundhog Marmota monax
Gray squirrel Sciurus carolinensis
Fox squirrel Sciurus niger
Thirteen-lined ground squirrel Spermophilus tridecemlineatus
Eastern chipmunk Tamias striatus
Red squirrel Tamiasciurus hudsonicus
Northern flying squirrel Glaucomys sabrinus
Southern flying squirrel Glaucomys volans
Beaver family Castoridae
Beaver Castor canadensis
New World rats and miceCricetinae
Woodrat or Pack rat Neotoma floridana
White-footed mouse Peromyscus leucopus
Deer mouse Peromyscus maniculatus
Red-backed vole Clethrionomys gapperi
Yellow-nosed vole Microtus chrotorrhinus
Meadow vole Microtus pennsylvanicus
Pine vole Microtus pinetorum
Muskrat Ondatra zibethicus
Bog lemming Synaptomys cooperi
Old World rats and miceMurinae
House mouse Mus musculus
Norway rat Rattus norvegicus
Black rat Rattus rattus
Jumping mice family Zapodidae
Woodland jumping mouse Napaeozapus insignis
Meadow jumping mouse Zapus hudsonius
Porcupine familyErethizontidae
Porcupine Erethizon dorsatum
Dog family Canidae
Coyote Canis latrans
Wolf Canis lupus
Gray fox Urocyon cinereoargenteus
Red fox Vulpes vulpes
Raccoon family Procyonidae
Raccoon Procyon lotor
Bear family Ursidae
Black bear Ursus americanus
Weasel family Mustelidae
Pine marten Martes americana
Fisher Martes pennanti
Ermine or Short-tailed weasel Mustela erminea
Long-tailed weasel Mustela frenata
Least weasel Mustela nivalis
Mink Mustela vison
Badger Taxidea taxus
Striped skunk Mephitis mephitis
Spotted skunk Spilogale putorius
River otter Lutra canadensis
Cat familyFelidae
Mountain lion Felis concolor
Lynx Lynx canadensis
Bobcat Lynx rufus
Seal familyPhocidae
Hooded seal Cystophora cristata
Deer familyCervidae
Elk Cervus elaphus
White-tailed deer Odocoileus virginianus



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