Rodents
Order: Rodentia Family: Castoridae
One species of beaver occurs in Pennsylvania.
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Beaver | Castor canadensis | Reintroduced | State-wide |
Order: Rodentia Family: Myocastoridae
One species of porcupine occurs in Pennsylvania.
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| North American Porcupine | Erethizon doratum | Uncommon | Northern and central |
Order: Rodentia Family: Dipodidae
2 species of jumping mice occur in Pennsylvania.
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Woodland jumping mouse | Napaeozapus insignis | Common | Northern and western | |
| Meadow jumping mouse | Zapus hudsonius | Common | State-wide |
Order: Rodentia Family: Cricetidae
9 species of voles and New World rats and mice occur in Pennsylvania.
Subfamily Arvicolinae (lemmings, voles, and muskrat)
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Rock vole | Microtus chrotorrhinus | Rare | Northeast | |
| Meadow vole | Microtus pennsylvanicus | Common | State-wide | |
| Woodland vole | Microtus pinetorum | Common | State-wide | |
| Southern bog lemming | Synaptomys cooperi | Uncommon | State-wide | |
| Southern red-backed vole | Myodes gapperi | Common | State-wide | |
| Muskrat | Ondatra zibethicus | Common | State-wide |
Subfamily Neotominae (North American rats and mice)
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Woodrat | Neotoma magister | Threatened | Mountain ridges | |
| Deer mouse | Peromyscus maniculatus | Common | State-wide | |
| White-footed mouse | Peromyscus leucopus | Common | State-wide |
Order: Rodentia Family: Muridae
3 species of Old World rats and mice occur in Pennsylvania.
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| House mouse | Mus musculus | Introduced | State-wide | |
| Norway rat | Rattus norvegicus | Introduced | State-wide | |
| Black rat | Rattus rattus | Introduced | State-wide |
Order: Rodentia Family: Sciuridae
8 species of squirrels, chipmunks, and marmots occur in Pennsylvania.
Subfamily Sciurinae (tree squirrels and flying squirrels)
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Gray squirrel
|
Sciurus carolinensis | Common | State-wide | |
| Fox squirrel | Sciurus niger | Uncommon | Southern and western | |
| Red squirrel | Tamiasciurus hudsonicus | Common | State-wide | |
| Northern flying squirrel | Glaucomys sabrinus | Rare | Northern | |
| Southern flying squirrel | Glaucomys volans | Common | State-wide |
Subfamily Xerinae (chipmunks and ground squirrels)
| Common Name | Species Name | Status | Notes | Distribution |
|---|---|---|---|---|
| Woodchuck | Marmota monax | Common | State-wide | |
| Thirteen-lined ground squirrel | Spermophilus tridecemlineatus | Introduced | Mercer and Venango Counties | |
| Eastern chipmunk | Tamias striatus | Common | State-wide |
Read more about this topic: List Of Mammals Of Pennsylvania