Mammals of Ohio
The mammals most often spotted in Ohio, ranked by recent research-grade observations.
76,025
recent observations
50
species listed
50
mammals
Naturalists have logged 76,025 research-grade observations across the 50 most-recorded species in Ohio. The most frequently seen is the White-tailed Deer, with 17,379 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
17,379 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,687 observations
Eastern Cottontail
Sylvilagus floridanus
7,722 observations
Eastern Chipmunk
Tamias striatus
5,522 observations
Common Raccoon
Procyon lotor
5,479 observations
Eastern Fox Squirrel
Sciurus niger
5,147 observations
Groundhog
Marmota monax
3,958 observations
Muskrat
Ondatra zibethicus
2,558 observations
American Beaver
Castor canadensis
2,479 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,396 observations
Virginia Opossum
Didelphis virginiana
1,912 observations
Northern Short-tailed Shrew
Blarina brevicauda
1,499 observations
Coyote
Canis latrans
1,352 observations
Striped Skunk
Mephitis mephitis
1,271 observations
Red Fox
Vulpes vulpes
1,145 observations
Domestic Cat
Felis catus
1,004 observations
American Mink
Neogale vison
837 observations
Big Brown Bat
Eptesicus fuscus
603 observations
Eastern Meadow Vole
Microtus pennsylvanicus
477 observations
Eastern Red Bat
Lasiurus borealis
411 observations
Southern Flying Squirrel
Glaucomys volans
305 observations
White-footed Mouse
Peromyscus leucopus
288 observations
North American River Otter
Lontra canadensis
247 observations
Bobcat
Lynx rufus
235 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
202 observations
Eastern Mole
Scalopus aquaticus
201 observations
Silver-haired Bat
Lasionycteris noctivagans
158 observations
Hairy-tailed Mole
Parascalops breweri
152 observations
Tri-coloured Bat
Perimyotis subflavus
143 observations
Masked Shrew
Sorex cinereus
142 observations
American Black Bear
Ursus americanus
116 observations
Eastern Deermouse
Peromyscus maniculatus
116 observations
Brown Rat
Rattus norvegicus
111 observations
Long-tailed Weasel
Neogale frenata
111 observations · iNaturalist
Northern Meadow Jumping Mouse
Zapus hudsonius
105 observations
Star-nosed Mole
Condylura cristata
105 observations
House Mouse
Mus musculus
94 observations
Gray Fox
Urocyon cinereoargenteus
93 observations
Little Brown Bat
Myotis lucifugus
55 observations
American Ermine
Mustela richardsonii
41 observations · iNaturalist
Northern Hoary Bat
Lasiurus cinereus
38 observations
Woodland Vole
Microtus pinetorum
24 observations
Northern Myotis
Myotis septentrionalis
23 observations
Least Weasel
Mustela nivalis
23 observations
Domestic Dog
Canis familiaris
22 observations · iNaturalist
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
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