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Mammals of Arkansas

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

20,260
recent observations
50
species listed
50
mammals

Naturalists have logged 20,260 research-grade observations across the 50 most-recorded species in Arkansas. The most frequently seen is the White-tailed Deer, with 3,290 recorded sightings.

Rarer finds confirmed in Arkansas include Bobcat, Southeastern Myotis and Gray Myotis - uncommon enough that a sighting is worth logging.

BobcatSoutheastern MyotisGray Myotis

Most-observed mammals in Arkansas

White-tailed Deer
Odocoileus virginianus
3,290 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,980 observations
Common Raccoon
Procyon lotor
1,771 observations
American Black Bear
Ursus americanus
1,631 observations
Virginia Opossum
Didelphis virginiana
1,281 observations
Striped Skunk
Mephitis mephitis
1,214 observations
Eastern Fox Squirrel
Sciurus niger
1,170 observations
Mexican Long-nosed Armadillo
Dasypus mexicanus
1,107 observations
Eastern Cottontail
Sylvilagus floridanus
1,012 observations
Eastern Chipmunk
Tamias striatus
598 observations
Groundhog
Marmota monax
559 observations
American Beaver
Castor canadensis
396 observations
Coyote
Canis latrans
331 observations
Red Fox
Vulpes vulpes
270 observations
Muskrat
Ondatra zibethicus
208 observations
Gray Fox
Urocyon cinereoargenteus
178 observations
Bobcat
Lynx rufus
174 observations
Wapiti
Cervus canadensis
172 observations
Tri-coloured Bat
Perimyotis subflavus
168 observations
Domestic Cat
Felis catus
161 observations
Eastern Mole
Scalopus aquaticus
159 observations
Wild Boar
Sus scrofa
157 observations · iNaturalist
Hispid Cotton Rat
Sigmodon hispidus
140 observations
North American River Otter
Lontra canadensis
125 observations
Eastern Red Bat
Lasiurus borealis
120 observations
Big Brown Bat
Eptesicus fuscus
110 observations
Southern Flying Squirrel
Glaucomys volans
95 observations
Coypu
Myocastor coypus
69 observations
American Mink
Neogale vison
69 observations
Southern Short-tailed Shrew
Blarina carolinensis
55 observations
Swamp Rabbit
Sylvilagus aquaticus
53 observations
Southeastern Myotis
Myotis austroriparius
47 observations
Eastern Woodrat
Neotoma floridana
41 observations
Evening Bat
Nycticeius humeralis
40 observations
House Mouse
Mus musculus
38 observations
North American Least Shrew
Cryptotis parvus
37 observations · iNaturalist
Rafinesque's Big-eared Bat
Corynorhinus rafinesquii
28 observations
Northern Short-tailed Shrew
Blarina brevicauda
24 observations
Domestic Dog
Canis familiaris
22 observations
Woodland Vole
Microtus pinetorum
21 observations
Mexican Free-tailed Bat
Tadarida brasiliensis
20 observations
Plains Pocket Gopher
Geomys bursarius
16 observations
Black Rat
Rattus rattus
16 observations
Gray Bat
Myotis grisescens
13 observations
Baird's Pocket Gopher
Geomys breviceps
13 observations
Prairie Vole
Microtus ochrogaster
13 observations
Northwestern Marsh Rice Rat
Oryzomys texensis
13 observations · iNaturalist
Brown Rat
Rattus norvegicus
12 observations
Western Deer Mouse
Peromyscus sonoriensis
12 observations
White-footed Mouse
Peromyscus leucopus
11 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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