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Mammals of Indiana

The mammals most often spotted in Indiana, ranked by recent research-grade observations.

36,276
recent observations
50
species listed
50
mammals

Naturalists have logged 36,276 research-grade observations across the 50 most-recorded species in Indiana. The most frequently seen is the White-tailed Deer, with 5,947 recorded sightings.

Rarer finds confirmed in Indiana include Bobcat - uncommon enough that a sighting is worth logging.

Bobcat

Most-observed mammals in Indiana

White-tailed Deer
Odocoileus virginianus
5,947 observations
Eastern Gray Squirrel
Sciurus carolinensis
5,184 observations
Eastern Fox Squirrel
Sciurus niger
4,621 observations
Eastern Cottontail
Sylvilagus floridanus
4,022 observations
Eastern Chipmunk
Tamias striatus
2,777 observations
Common Raccoon
Procyon lotor
2,489 observations
Groundhog
Marmota monax
1,465 observations
American Red Squirrel
Tamiasciurus hudsonicus
1,365 observations
Virginia Opossum
Didelphis virginiana
1,275 observations
Muskrat
Ondatra zibethicus
962 observations
Coyote
Canis latrans
946 observations
American Beaver
Castor canadensis
829 observations
Domestic Cat
Felis catus
760 observations
Red Fox
Vulpes vulpes
622 observations
Striped Skunk
Mephitis mephitis
450 observations
Northern Short-tailed Shrew
Blarina brevicauda
440 observations
American Mink
Neogale vison
277 observations
Eastern Mole
Scalopus aquaticus
251 observations
Big Brown Bat
Eptesicus fuscus
210 observations
North American River Otter
Lontra canadensis
161 observations
Eastern Red Bat
Lasiurus borealis
137 observations
Bobcat
Lynx rufus
125 observations
Southern Flying Squirrel
Glaucomys volans
125 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
101 observations
House Mouse
Mus musculus
84 observations
Silver-haired Bat
Lasionycteris noctivagans
82 observations
Western Meadow Vole
Microtus drummondii
73 observations
White-footed Mouse
Peromyscus leucopus
64 observations
Masked Shrew
Sorex cinereus
54 observations
Plains Pocket Gopher
Geomys bursarius
49 observations
Tri-coloured Bat
Perimyotis subflavus
47 observations
Brown Rat
Rattus norvegicus
36 observations
American Bison
Bos bison
35 observations · iNaturalist
Domestic Dog
Canis familiaris
31 observations
Long-tailed Weasel
Neogale frenata
26 observations · iNaturalist
European Rabbit
Oryctolagus cuniculus
18 observations
Woodland Vole
Microtus pinetorum
18 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
17 observations
Mexican Long-nosed Armadillo
Dasypus mexicanus
16 observations
American Badger
Taxidea taxus
12 observations
Gray Fox
Urocyon cinereoargenteus
12 observations
Least Weasel
Mustela nivalis
10 observations
North American Least Shrew
Cryptotis parvus
9 observations · iNaturalist
Northern Hoary Bat
Lasiurus cinereus
8 observations
Evening Bat
Nycticeius humeralis
8 observations
Eastern Meadow Vole
Microtus pennsylvanicus
8 observations
Little Brown Bat
Myotis lucifugus
5 observations
American Ermine
Mustela richardsonii
5 observations
Prairie Vole
Microtus ochrogaster
4 observations
Domestic Cattle
Bos taurus
4 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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