Mammals of Ohio
The mammals most often spotted in Ohio, ranked by recent research-grade observations.
78,042
recent observations
50
species listed
50
mammals
Naturalists have logged 78,042 research-grade observations across the 50 most-recorded species in Ohio. The most frequently seen is the White-tailed Deer, with 17,904 recorded sightings.
Rarer finds confirmed in Ohio include Bobcat, Northern Long-eared Bat and Indiana Bat - uncommon enough that a sighting is worth logging.
Most-observed mammals in Ohio
White-tailed Deer
Odocoileus virginianus
17,904 observations
Eastern Gray Squirrel
Sciurus carolinensis
10,023 observations
Eastern Cottontail
Sylvilagus floridanus
7,914 observations
Eastern Chipmunk
Tamias striatus
5,663 observations
Common Raccoon
Procyon lotor
5,573 observations
Eastern Fox Squirrel
Sciurus niger
5,236 observations
Groundhog
Marmota monax
4,152 observations
Muskrat
Ondatra zibethicus
2,586 observations
American Beaver
Castor canadensis
2,520 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,435 observations
Virginia Opossum
Didelphis virginiana
1,948 observations
Northern Short-tailed Shrew
Blarina brevicauda
1,518 observations
Coyote
Canis latrans
1,369 observations
Striped Skunk
Mephitis mephitis
1,334 observations
Red Fox
Vulpes vulpes
1,163 observations
Domestic Cat
Felis catus
1,059 observations
American Mink
Neogale vison
857 observations
Big Brown Bat
Eptesicus fuscus
623 observations
Eastern Meadow Vole
Microtus pennsylvanicus
485 observations
Eastern Red Bat
Lasiurus borealis
417 observations
Southern Flying Squirrel
Glaucomys volans
309 observations
White-footed Mouse
Peromyscus leucopus
295 observations
North American River Otter
Lontra canadensis
254 observations
Bobcat
Lynx rufus
239 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
219 observations
Eastern Mole
Scalopus aquaticus
205 observations
Silver-haired Bat
Lasionycteris noctivagans
160 observations
Hairy-tailed Mole
Parascalops breweri
158 observations
Masked Shrew
Sorex cinereus
145 observations
Tri-coloured Bat
Perimyotis subflavus
145 observations
American Black Bear
Ursus americanus
119 observations
Eastern Deermouse
Peromyscus maniculatus
116 observations
Long-tailed Weasel
Neogale frenata
113 observations · iNaturalist
Brown Rat
Rattus norvegicus
111 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
108 observations
Star-nosed Mole
Condylura cristata
108 observations
House Mouse
Mus musculus
95 observations
Gray Fox
Urocyon cinereoargenteus
93 observations
Little Brown Bat
Myotis lucifugus
58 observations
American Ermine
Mustela richardsonii
43 observations
Northern Hoary Bat
Lasiurus cinereus
39 observations
Woodland Vole
Microtus pinetorum
24 observations
Least Weasel
Mustela nivalis
24 observations
Domestic Dog
Canis familiaris
23 observations · iNaturalist
Northern Myotis
Myotis septentrionalis
23 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
Mammals in nearby places
Out spotting mammals in Ohio?
Take Huck with you. Identify any mammal you find in seconds and build your collection.
Get HuckLove mammals? Get Huck field notes
Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.