2 PA’s MammalsMammals make up only a small percentage of the state’s native species of plants and animals.71 species of mammals are native to PA.12 native species were extirpated in historic times but some have been re-established .Gray Wolf, mountain lion, lynx, bison, wolverine, moose, marten, beaver, elk, river otter, and fisher.
3 Endangered, Threatened & Exotic Mammals. Four species are EndangeredNorthern flying squirrel, Indiana bat, Delmarva fox squirrel, and least shrew.Three species are ThreatenedEastern small-footed bat, West Virginia water shrew, and Allegheny wood rat.Only two species are ExoticNorway rat and house mouse.
4 Eastern CottontailVital part of PA’s food chain. Breeding rate is legendary – can have 6 to 7 litters a year.Most active at dawn and dusk.