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Mammals of South Dakota

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

19,290
recent observations
50
species listed
50
mammals

Naturalists have logged 19,290 research-grade observations across the 50 most-recorded species in South Dakota. The most frequently seen is the American Bison, with 3,380 recorded sightings.

Rarer finds confirmed in South Dakota include Bobcat and Black-footed Ferret - uncommon enough that a sighting is worth logging.

BobcatBlack-footed Ferret

Most-observed mammals in South Dakota

American Bison
Bos bison
3,380 observations · iNaturalist
Black-tailed Prairie Dog
Cynomys ludovicianus
2,830 observations
Bighorn Sheep
Ovis canadensis
2,194 observations
Pronghorn
Antilocapra americana
1,970 observations
White-tailed Deer
Odocoileus virginianus
1,159 observations
Mule Deer
Odocoileus hemionus
1,136 observations
Least Chipmunk
Neotamias minimus
896 observations
Eastern Fox Squirrel
Sciurus niger
608 observations
Eastern Cottontail
Sylvilagus floridanus
579 observations
Coyote
Canis latrans
504 observations
Mountain Goat
Oreamnos americanus
454 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
415 observations
Donkey
Equus asinus
405 observations
American Red Squirrel
Tamiasciurus hudsonicus
310 observations
Wapiti
Cervus canadensis
307 observations
Yellow-bellied Marmot
Marmota flaviventris
226 observations
Desert Cottontail
Sylvilagus audubonii
172 observations
Mountain Lion
Puma concolor
162 observations
American Badger
Taxidea taxus
144 observations
Common Raccoon
Procyon lotor
138 observations
Muskrat
Ondatra zibethicus
131 observations
American Beaver
Castor canadensis
119 observations
North American Porcupine
Erethizon dorsatum
107 observations
Striped Skunk
Mephitis mephitis
100 observations
Richardson's Ground Squirrel
Urocitellus richardsonii
73 observations
Virginia Opossum
Didelphis virginiana
71 observations
White-tailed Jackrabbit
Lepus townsendii
67 observations
American Mink
Neogale vison
67 observations
Red Fox
Vulpes vulpes
64 observations
Groundhog
Marmota monax
52 observations
Bobcat
Lynx rufus
49 observations
Big Brown Bat
Eptesicus fuscus
47 observations
Domestic Cat
Felis catus
47 observations
Mountain Cottontail
Sylvilagus nuttallii
35 observations
Northern Short-tailed Shrew
Blarina brevicauda
26 observations
Western Deer Mouse
Peromyscus sonoriensis
24 observations
Black-footed Ferret
Mustela nigripes
21 observations
Long-tailed Weasel
Neogale frenata
20 observations · iNaturalist
Western Small-footed Myotis
Myotis ciliolabrum
19 observations
Western Meadow Vole
Microtus drummondii
18 observations
Domestic Horse
Equus caballus
17 observations
North American River Otter
Lontra canadensis
16 observations
Eastern Red Bat
Lasiurus borealis
15 observations
Northern Hoary Bat
Lasiurus cinereus
15 observations
Ord's Kangaroo Rat
Dipodomys ordii
15 observations
Domestic Cattle
Bos taurus
15 observations
Silver-haired Bat
Lasionycteris noctivagans
14 observations
Pacific Marten
Martes caurina
13 observations
American Black Bear
Ursus americanus
12 observations
Eastern Mole
Scalopus aquaticus
12 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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