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White-tailed Deer
Odocoileus virginianus
15,530 observations
Eastern Gray Squirrel
Sciurus carolinensis
8,904 observations
Eastern Cottontail
Sylvilagus floridanus
6,614 observations
Eastern Chipmunk
Tamias striatus
5,083 observations
Common Raccoon
Procyon lotor
4,813 observations
Eastern Fox Squirrel
Sciurus niger
4,783 observations
Groundhog
Marmota monax
3,496 observations
Muskrat
Ondatra zibethicus
2,324 observations
American Red Squirrel
Tamiasciurus hudsonicus
2,268 observations
American Beaver
Castor canadensis
2,135 observations
Virginia Opossum
Didelphis virginiana
1,717 observations
Northern Short-tailed Shrew
Blarina brevicauda
1,432 observations
Coyote
Canis latrans
1,225 observations
Striped Skunk
Mephitis mephitis
1,088 observations
Red Fox
Vulpes vulpes
1,066 observations
Invasive
Domestic Cat
Felis catus
904 observations
American Mink
Neogale vison
756 observations
Big Brown Bat
Eptesicus fuscus
522 observations
Eastern Meadow Vole
Microtus pennsylvanicus
440 observations
Eastern Red Bat
Lasiurus borealis
345 observations
Southern Flying Squirrel
Glaucomys volans
278 observations
White-footed Mouse
Peromyscus leucopus
269 observations
North American River Otter
Lontra canadensis
225 observations
Bobcat
Lynx rufus
206 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
193 observations
Eastern Mole
Scalopus aquaticus
165 observations
Hairy-tailed Mole
Parascalops breweri
142 observations
Masked Shrew
Sorex cinereus
139 observations
Silver-haired Bat
Lasionycteris noctivagans
121 observations
Star-nosed Mole
Condylura cristata
102 observations
Invasive
Brown Rat
Rattus norvegicus
100 observations
Long-tailed Weasel
Neogale frenata
98 observations
Eastern Deermouse
Peromyscus maniculatus
96 observations
Invasive
House Mouse
Mus musculus
90 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
89 observations
American Black Bear
Ursus americanus
72 observations
Gray Fox
Urocyon cinereoargenteus
70 observations
Tri-coloured Bat
Perimyotis subflavus
54 observations
Little Brown Bat
Myotis lucifugus
46 observations
Northern Hoary Bat
Lasiurus cinereus
30 observations
Northern Myotis
Myotis septentrionalis
21 observations
Least Weasel
Mustela nivalis
21 observations
Invasive
Domestic Dog
Canis familiaris
19 observations
American Ermine
Mustela richardsonii
18 observations
Woodland Vole
Microtus pinetorum
16 observations
Invasive
Wild Boar
Sus scrofa
11 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 15,530 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)