| American Bison | Bison | bison | | 1 | Bovidae | Artiodactyla | Mammalia | Animalia |
| Elk | Cervus | elaphus | | 1 | Cervidae | Artiodactyla | Mammalia | Animalia |
| Sika Deer | Cervus | nippon | | 352 | Cervidae | Artiodactyla | Mammalia | Animalia |
| White-tailed Deer | Odocoileus | virginianus | | 4375 | Cervidae | Artiodactyla | Mammalia | Animalia |
| Coyote | Canis | latrans | | 245 | Canidae | Carnivora | Mammalia | Animalia |
| Gray Wolf | Canis | lupus | | 2 | Canidae | Carnivora | Mammalia | Animalia |
| Gray Fox | Urocyon | cinereoargenteus | | 200 | Canidae | Carnivora | Mammalia | Animalia |
| Red Fox | Vulpes | vulpes | | 1530 | Canidae | Carnivora | Mammalia | Animalia |
| Domestic Cat | Felis | catus | | 275 | Felidae | Carnivora | Mammalia | Animalia |
| Bobcat | Lynx | rufus | | 30 | Felidae | Carnivora | Mammalia | Animalia |
| Mountain Lion | Puma | concolor | | 0 | Felidae | Carnivora | Mammalia | Animalia |
| Striped Skunk | Mephitis | mephitis | | 178 | Mephitidae | Carnivora | Mammalia | Animalia |
| Eastern Spotted Skunk | Spilogale | putorius | | 24 | Mephitidae | Carnivora | Mammalia | Animalia |
| Northern River Otter | Lontra | canadensis | | 251 | Mustelidae | Carnivora | Mammalia | Animalia |
| American Marten | Martes | americana | | 0 | Mustelidae | Carnivora | Mammalia | Animalia |
| Fisher | Martes | pennanti | | 19 | Mustelidae | Carnivora | Mammalia | Animalia |
| Ermine | Mustela | erminea | | 2 | Mustelidae | Carnivora | Mammalia | Animalia |
| Long-tailed Weasel | Mustela | frenata | | 77 | Mustelidae | Carnivora | Mammalia | Animalia |
| Least Weasel | Mustela | nivalis | | 29 | Mustelidae | Carnivora | Mammalia | Animalia |
| Mink | Neovison | vison | | 140 | Mustelidae | Carnivora | Mammalia | Animalia |
| Hooded Seal | Cystophora | cristata | | 2 | Phocidae | Carnivora | Mammalia | Animalia |
| Gray Seal | Halichoerus | grypus | | 5 | Phocidae | Carnivora | Mammalia | Animalia |
| Harp Seal | Phoca | groenlandica | | 8 | Phocidae | Carnivora | Mammalia | Animalia |
| Harbor Seal | Phoca | vitulina | | 28 | Phocidae | Carnivora | Mammalia | Animalia |
| Common Raccoon | Procyon | lotor | | 1281 | Procyonidae | Carnivora | Mammalia | Animalia |
| Black Bear | Ursus | americanus | | 185 | Ursidae | Carnivora | Mammalia | Animalia |
| North Atlantic Right Whale | Eubalaena | glacialis | | 6 | Balaenidae | Cetacea | Mammalia | Animalia |
| Minke Whale | Balaenoptera | acutorostrata | | 3 | Balaenopteridae | Cetacea | Mammalia | Animalia |
| Sei Whale | Balaenoptera | borealis | | 3 | Balaenopteridae | Cetacea | Mammalia | Animalia |
| Blue Whale | Balaenoptera | musculus | | 1 | Balaenopteridae | Cetacea | Mammalia | Animalia |
| Fin Whale | Balaenoptera | physalus | | 15 | Balaenopteridae | Cetacea | Mammalia | Animalia |
| Humpback Whale | Megaptera | novaeangliae | | 21 | Balaenopteridae | Cetacea | Mammalia | Animalia |
| Short-beaked Common Dolphin | Delphinus | delphis | | 11 | Delphinidae | Cetacea | Mammalia | Animalia |
| Short-finned Pilot Whale | Globicephala | macrorhynchus | | 22 | Delphinidae | Cetacea | Mammalia | Animalia |
| Long-finned Pilot Whale | Globicephala | melas | | 5 | Delphinidae | Cetacea | Mammalia | Animalia |
| Risso's Dolphin | Grampus | griseus | | 14 | Delphinidae | Cetacea | Mammalia | Animalia |
| Atlantic White-sided Dolphin | Lagenorhynchus | acutus | | 3 | Delphinidae | Cetacea | Mammalia | Animalia |
| Killer Whale | Orcinus | orca | | 1 | Delphinidae | Cetacea | Mammalia | Animalia |
| Melon-headed Whale | Peponocephala | electra | | 1 | Delphinidae | Cetacea | Mammalia | Animalia |
| Striped Dolphin | Stenella | coeruleoalba | | 13 | Delphinidae | Cetacea | Mammalia | Animalia |
| Atlantic Spotted Dolphin | Stenella | frontalis | | 10 | Delphinidae | Cetacea | Mammalia | Animalia |
| Tamanend's Bottlenose Dolphin | Tursiops | erebennus | | 24 | Delphinidae | Cetacea | Mammalia | Animalia |
| Common Bottlenose Dolphin | Tursiops | truncatus | | 94 | Delphinidae | Cetacea | Mammalia | Animalia |
| Gervais' Beaked Whale | Mesoplodon | europaeus | | 5 | Hyperoodontidae | Cetacea | Mammalia | Animalia |
| True's Beaked Whale | Mesoplodon | mirus | | 1 | Hyperoodontidae | Cetacea | Mammalia | Animalia |
| Cuvier's Beaked Whale | Ziphius | cavirostris | | 4 | Hyperoodontidae | Cetacea | Mammalia | Animalia |
| Pygmy Sperm Whale | Kogia | breviceps | | 3 | Kogiidae | Cetacea | Mammalia | Animalia |
| Dwarf Sperm Whale | Kogia | sima | | 3 | Kogiidae | Cetacea | Mammalia | Animalia |
| Harbor Porpoise | Phocoena | phocoena | | 39 | Phocoenidae | Cetacea | Mammalia | Animalia |
| Sperm Whale | Physeter | macrocephalus | | 13 | Physeteridae | Cetacea | Mammalia | Animalia |
| Big Brown Bat | Eptesicus | fuscus | | 220 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Silver-haired Bat | Lasionycteris | noctivagans | | 19 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Eastern Red Bat | Lasiurus | borealis | | 145 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Hoary Bat | Lasiurus | cinereus | | 11 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Seminole Bat | Lasiurus | seminolus | | 2 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Eastern Small-footed Bat | Myotis | leibii | | 26 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Little Brown Myotis | Myotis | lucifugus | | 80 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Northern Myotis | Myotis | septentrionalis | | 12 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Indiana Bat | Myotis | sodalis | | 20 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Evening Bat | Nycticeius | humeralis | | 8 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Tri-colored Bat | Pipistrellus | subflavus | | 78 | Vespertilionidae | Chiroptera | Mammalia | Animalia |
| Virginia Opossum | Didelphis | virginiana | | 549 | Didelphidae | Didelphimorphia | Mammalia | Animalia |
| Snowshoe Hare | Lepus | americanus | | 10 | Leporidae | Lagomorpha | Mammalia | Animalia |
| Black-tailed Jackrabbit | Lepus | californicus | | 3 | Leporidae | Lagomorpha | Mammalia | Animalia |
| Eastern Cottontail | Sylvilagus | floridanus | | 2135 | Leporidae | Lagomorpha | Mammalia | Animalia |
| Appalachian Cottontail | Sylvilagus | obscurus | | 44 | Leporidae | Lagomorpha | Mammalia | Animalia |
| Feral Horse | Equus | caballus | | 434 | Equidae | Perissodactyla | Mammalia | Animalia |
| Human | Homo | sapiens | | 405 | Hominidae | Primates | Mammalia | Animalia |
| American Beaver | Castor | canadensis | | 837 | Castoridae | Rodentia | Mammalia | Animalia |
| North American Porcupine | Erethizon | dorsatus | | 112 | Erethizontidae | Rodentia | Mammalia | Animalia |
| Rock Vole | Microtus | chrotorrhinus | | 5 | Muridae | Rodentia | Mammalia | Animalia |
| Meadow Vole | Microtus | pennsylvanicus | | 441 | Muridae | Rodentia | Mammalia | Animalia |
| Woodland Vole | Microtus | pinetorum | | 115 | Muridae | Rodentia | Mammalia | Animalia |
| House Mouse | Mus | musculus | | 161 | Muridae | Rodentia | Mammalia | Animalia |
| Southern Red-backed Vole | Myodes | gapperi | | 183 | Muridae | Rodentia | Mammalia | Animalia |
| Allegheny Woodrat | Neotoma | magister | | 48 | Muridae | Rodentia | Mammalia | Animalia |
| Muskrat | Ondatra | zibethicus | | 417 | Muridae | Rodentia | Mammalia | Animalia |
| Marsh Rice Rat | Oryzomys | palustris | | 28 | Muridae | Rodentia | Mammalia | Animalia |
| White-footed Mouse | Peromyscus | leucopus | | 867 | Muridae | Rodentia | Mammalia | Animalia |
| Deer Mouse | Peromyscus | maniculatus | | 155 | Muridae | Rodentia | Mammalia | Animalia |
| Norway Rat | Rattus | norvegicus | | 112 | Muridae | Rodentia | Mammalia | Animalia |
| Black Rat | Rattus | rattus | | 16 | Muridae | Rodentia | Mammalia | Animalia |
| Eastern Harvest Mouse | Reithrodontomys | humulis | | 5 | Muridae | Rodentia | Mammalia | Animalia |
| Southern Bog Lemming | Synaptomys | cooperi | | 13 | Muridae | Rodentia | Mammalia | Animalia |
| Nutria | Myocastor | coypus | | 28 | Myocastoridae | Rodentia | Mammalia | Animalia |
| Southern Flying Squirrel | Glaucomys | volans | | 223 | Sciuridae | Rodentia | Mammalia | Animalia |
| Woodchuck | Marmota | monax | | 866 | Sciuridae | Rodentia | Mammalia | Animalia |
| Eastern Gray Squirrel | Sciurus | carolinensis | | 3322 | Sciuridae | Rodentia | Mammalia | Animalia |
| Eastern Fox Squirrel | Sciurus | niger vulpinus | | 133 | Sciuridae | Rodentia | Mammalia | Animalia |
| Delmarva Fox Squirrel | Sciurus | niger cinereus | | 288 | Sciuridae | Rodentia | Mammalia | Animalia |
| Eastern Chipmunk | Tamias | striatus | | 968 | Sciuridae | Rodentia | Mammalia | Animalia |
| Red Squirrel | Tamiasciurus | hudsonicus | | 245 | Sciuridae | Rodentia | Mammalia | Animalia |
| Woodland Jumping Mouse | Napaeozapus | insignis | | 24 | Zapodidae | Rodentia | Mammalia | Animalia |
| Meadow Jumping Mouse | Zapus | hudsonius | | 55 | Zapodidae | Rodentia | Mammalia | Animalia |
| West Indian Manatee | Trichechus | manatus | | 14 | Trichechidae | Sirenia | Mammalia | Animalia |
| Northern Short-tailed Shrew | Blarina | brevicauda | | 1003 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Least Shrew | Cryptotis | parva | | 116 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Masked Shrew | Sorex | cinereus | | 415 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Long-tailed Shrew | Sorex | dispar | | 23 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Smoky Shrew | Sorex | fumeus | | 63 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Pygmy Shrew | Sorex | hoyi | | 15 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Southeastern Shrew | Sorex | longirostris | | 25 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Water Shrew | Sorex | palustris | | 11 | Soricidae | Soricomorpha | Mammalia | Animalia |
| Star-nosed Mole | Condylura | cristata | | 38 | Talpidae | Soricomorpha | Mammalia | Animalia |
| Hairy-tailed Mole | Parascalops | breweri | | 15 | Talpidae | Soricomorpha | Mammalia | Animalia |
| Eastern Mole | Scalopus | aquaticus | | 153 | Talpidae | Soricomorpha | Mammalia | Animalia |