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White-tailed Deer
Odocoileus virginianus
14,995 observations
Eastern Gray Squirrel
Sciurus carolinensis
8,573 observations
Eastern Cottontail
Sylvilagus floridanus
6,138 observations
Eastern Chipmunk
Tamias striatus
4,724 observations
Common Raccoon
Procyon lotor
4,587 observations
Eastern Fox Squirrel
Sciurus niger
4,553 observations
Groundhog
Marmota monax
3,285 observations
Muskrat
Ondatra zibethicus
2,237 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,127 observations
American Beaver
Castor canadensis
2,089 observations
Virginia Opossum
Didelphis virginiana
1,655 observations
Northern Short-tailed Shrew
Blarina brevicauda
1,414 observations
Coyote
Canis latrans
1,189 observations
Striped Skunk
Mephitis mephitis
1,065 observations
Red Fox
Vulpes vulpes
1,024 observations
Invasive
Domestic Cat
Felis catus
869 observations
American Mink
Neogale vison
728 observations
Big Brown Bat
Eptesicus fuscus
515 observations
Eastern Meadow Vole
Microtus pennsylvanicus
434 observations
Eastern Red Bat
Lasiurus borealis
324 observations
Southern Flying Squirrel
Glaucomys volans
272 observations
White-footed Mouse
Peromyscus leucopus
257 observations
North American River Otter
Lontra canadensis
214 observations
Bobcat
Lynx rufus
204 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
188 observations
Eastern Mole
Scalopus aquaticus
162 observations
Masked Shrew
Sorex cinereus
139 observations
Hairy-tailed Mole
Parascalops breweri
135 observations
Silver-haired Bat
Lasionycteris noctivagans
119 observations
Star-nosed Mole
Condylura cristata
101 observations
Invasive
Brown Rat
Rattus norvegicus
100 observations
Eastern Deermouse
Peromyscus maniculatus
95 observations
Long-tailed Weasel
Neogale frenata
93 observations
Invasive
House Mouse
Mus musculus
90 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
88 observations
American Black Bear
Ursus americanus
67 observations
Gray Fox
Urocyon cinereoargenteus
67 observations
Tricolored Bat
Perimyotis subflavus
53 observations
Little Brown Bat
Myotis lucifugus
44 observations
Northern Hoary Bat
Lasiurus cinereus
29 observations
Northern Myotis
Myotis septentrionalis
21 observations
Least Weasel
Mustela nivalis
21 observations
Invasive
Domestic Dog
Canis familiaris
19 observations
American Ermine
Mustela richardsonii
16 observations
Woodland Vole
Microtus pinetorum
14 observations
Invasive
Wild Boar
Sus scrofa
10 observations
Invasive
European Rabbit
Oryctolagus cuniculus
8 observations
Indiana Bat
Myotis sodalis
7 observations
Evening Bat
Nycticeius humeralis
5 observations
Invasive
European Fallow Deer
Dama dama
4 observations
Frequently Asked Questions
- The 10 most common mammals in Ohio are:
- White-tailed Deer (Odocoileus virginianus)
- Eastern Gray Squirrel (Sciurus carolinensis)
- Eastern Cottontail (Sylvilagus floridanus)
- Eastern Chipmunk (Tamias striatus)
- Common Raccoon (Procyon lotor)
- Eastern Fox Squirrel (Sciurus niger)
- Groundhog (Marmota monax)
- Muskrat (Ondatra zibethicus)
- American Red Squirrel (Tamiasciurus hudsonicus)
- American Beaver (Castor canadensis)
- The most observed mammal in Ohio is White-tailed Deer (Odocoileus virginianus), with 14,995 recorded observations.
- Some of the most commonly observed invasive mammals in Ohio include:
- Domestic Cat (Felis catus)
- Brown Rat (Rattus norvegicus)
- House Mouse (Mus musculus)
- Domestic Dog (Canis familiaris)
- Wild Boar (Sus scrofa)