Mammals of Pennsylvania

ORDER/Family Common Name Species Name Status Distribution
DIDELPHIMORPHIA        
Didelphidae Virginia Opossum Didelphis virginiana Common State-wide
INSECTIVORA        
Soricidae Masked shrew Sorex cinereus Common State-wide
  Rock shrew Sorex dispar Uncommon Appalachian Uplands
  Maryland shrew Sorex fontinalis Common Piedmont and Valley and Ridge
  Smoky shrew Sorex fumeus Common State-wide
  Pygmy shrew Sorex hoyi Uncommon Presumed State-wide
  Water shrew Sorex palustris Uncommon Mountain streams
  Northern short-tailed shrew Blarina brevicauda Common State-wide
  Least shrew Cryptotis parva Endangered Southcentral
Talpidae Hairy-tailed mole Parascalops breweri Uncommon State-wide
  Eastern mole Scalopus aquaticus Uncommon Piedmont and Valley and Ridge
  Star-nosed mole Condylura cristata Uncommon State-wide
CHIROPTERA        
Vespertilionidae Keen's myotis Myotis keenii Rare State-wide
  Small-footed myotis Myotis leibii Threatened State-wide
  Little brown myotis Myotis lucifugus Common State-wide
  Indiana bat Myotis sodalis Endangered Central
  Red bat Lasiurus borealis Uncommon State-wide
  Hoary bat Lasiurus cinereus Uncommon State-wide
  Seminole bat Lasiurus seminolus Rare Piedmont
  Silver-haired bat Lasionycteris noctivagans Uncommon State-wide
  Eastern pipistrelle Pipistrellus subflavus Uncommon State-wide
  Big brown bat Eptesicus fuscus Common State-wide
  Evening bat Nycticeius humeralis Rare Southeastern
LAGOMORPHA        
Leporidae Eastern cottontail Sylvilagus floridanus Common State-wide
  New England cottontail Sylvilagus transitionalis Rare Eastern Mts.
  Snowshoe hare Lepus americanus Rare Appalachian Uplands
RODENTIA        
Sciuridae Eastern chipmunk Tamias striatus Common State-wide
  Woodchuck Marmota monax Common State-wide
  Gray squirrel Sciurus carolinensis Common State-wide
  Fox squirrel Sciurus niger Uncommon Southern & Western
  Red squirrel Tamiasciurus hudsonicus Common State-wide
  Northern flying squirrel Glaucomys sabrinus Rare Northern
  Southern flying squirrel Glaucomys volans Common State-wide
Castoridae Beaver Castor canadensis Reintroduced State-wide
Muridae Marsh rice rat Oryzomys palustris Extinct Coastal Plain
  White-footed mouse Peromyscus leucopus Common State-wide
  Deer mouse Peromyscus maniculatus Common State-wide
  Eastern woodrat Neotoma magister Threatened Mt. Ridges
  Norway rat Rattus norvegicus Introduced State-wide
  House mouse Mus musculus Introduced State-wide
  Southern red-backed vole Clethrionomys gapperi Common State-wide
  Rock vole Microtus chrotorrhinus Rare Northeast
  Meadow vole Microtus pennsylvanicus Common State-wide
  Woodland vole Microtus pinetorum Common State-wide
  Muskrat Ondatra zibethicus Common State-wide
  Sothern bog lemming Synaptomys cooperi Uncommon State-wide
Zapodidae Meadow jumping mouse Zapus hudsonius Common State-wide
  Woodland jumping mouse Napaeozapus insignis Common Northern & Western
Erethizontidae Porcupine Erethizon dorsatum Uncommon Northern & Central
         
CARNIVORA        
Canidae Coyote Canis latrans Common State-wide
  Gray wolf Canis lupus Extinct  
  Red fox Vulpes vulpes Common State-wide
  Gray fox Urocyon cinereoargenteus Common State-wide
Ursidae Black bear Ursus americanus Uncommon Appalachian Uplands
Procyonidae Raccoon Procyon lotor Common State-wide
Mustelidae Marten Martes americana Extinct  
  Fisher Martes pennanti Reintroduced North Central
  Ermine Mustela erminea Uncommon Absent from Southwest
  Long-tailed weasel Mustela frenata Common State-wide
  Least weasel Mustela nivalis Rare Western 2/3's
  Mink Mustela vison Common State-wide
  Wolverine Gulo gulo Extinct  
  Badger Taxidea taxus Extinct  
  Eastern spotted skunk Spilogale putorius Rare Southcentral
  Striped skunk Mephitis mephitis Common State-wide
  River otter Lutra canadensis Rare Northern
Felidae Mountain lion Felis concolor Extinct  
  Lynx Lynx lynx Extinct  
  Bobcat Lynx rufus Rare Appalachian Uplands
ARTIODACTYLA        
Cervidae Wapiti (Elk) Cervus elaphus Reintroduced North Central
  White-tailed deer Odocoileus virginianus Common State-wide
  Moose Alces alces Extinct  
Bovidae Bison Bison bison Extinct  
         
         
         
         
Also see "Guide to the Mammals of Pennsylvania" by Joseph Merritt (1987) Univ. of PA Press