Mammals of Ohio
The mammals most often spotted in Ohio, ranked by recent research-grade observations.
Most-observed mammals in Ohio
White-tailed Deer
Odocoileus virginianus
16,906 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,505 observations
Eastern Cottontail
Sylvilagus floridanus
7,326 observations
Eastern Chipmunk
Tamias striatus
5,355 observations
Common Raccoon
Procyon lotor
5,330 observations
Eastern Fox Squirrel
Sciurus niger
5,076 observations
Groundhog
Marmota monax
3,779 observations
Muskrat
Ondatra zibethicus
2,511 observations
American Beaver
Castor canadensis
2,448 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,347 observations
Virginia Opossum
Didelphis virginiana
1,867 observations
Northern Short-tailed Shrew
Blarina brevicauda
1,490 observations
Coyote
Canis latrans
1,331 observations
Striped Skunk
Mephitis mephitis
1,187 observations
Red Fox
Vulpes vulpes
1,130 observations
Domestic Cat
Felis catus
973 observations
American Mink
Neogale vison
813 observations
Big Brown Bat
Eptesicus fuscus
589 observations
Eastern Meadow Vole
Microtus pennsylvanicus
460 observations
Eastern Red Bat
Lasiurus borealis
401 observations
Southern Flying Squirrel
Glaucomys volans
295 observations
White-footed Mouse
Peromyscus leucopus
286 observations
North American River Otter
Lontra canadensis
241 observations
Bobcat
Lynx rufus
232 observations
Eastern Mole
Scalopus aquaticus
200 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
199 observations
Silver-haired Bat
Lasionycteris noctivagans
158 observations
Hairy-tailed Mole
Parascalops breweri
148 observations
Masked Shrew
Sorex cinereus
141 observations
Tri-coloured Bat
Perimyotis subflavus
141 observations
Eastern Deermouse
Peromyscus maniculatus
116 observations
Long-tailed Weasel
Neogale frenata
108 observations · iNaturalist
Brown Rat
Rattus norvegicus
106 observations
American Black Bear
Ursus americanus
105 observations
Star-nosed Mole
Condylura cristata
103 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
95 observations
Gray Fox
Urocyon cinereoargenteus
94 observations
House Mouse
Mus musculus
93 observations
Little Brown Bat
Myotis lucifugus
53 observations
Northern Hoary Bat
Lasiurus cinereus
37 observations
American Ermine
Mustela richardsonii
37 observations · iNaturalist
Northern Myotis
Myotis septentrionalis
23 observations
Least Weasel
Mustela nivalis
23 observations
Domestic Dog
Canis familiaris
21 observations · iNaturalist
Woodland Vole
Microtus pinetorum
20 observations
Wild Boar
Sus scrofa
11 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
8 observations · iNaturalist
Indiana Bat
Myotis sodalis
7 observations
Evening Bat
Nycticeius humeralis
6 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
5 observations