Mammals of South Dakota

77 established wild species in South Dakota. Plus 20 range-listed species with few or no digitized records.

All species A-Z →

AmericanBadger

American Badger

Taxidea taxus

Common in South Dakota 121 sightings
Size 63.9 cm2.1 ft Weight 4–12 kg8.8–26.5 lb active by night grassland

Sightings by month

Beaver swimming low in murky green pond water with only its wet head and back above the surface

American Beaver

Castor canadensis

Occasional in South Dakota 88 sightings
Size 60–90 cm2–3 ft Weight 11–32 kg24.3–70.5 lb active day & night river

Sightings by month

Image-American bison rests at hot spring in yellowstone national park 1

American Bison

Bison bison

Common in South Dakota 4,818 sightings
Size 1.9–2 m6.1–6.6 ft Weight 360–1000 kg793.7–2204.6 lb active day & night grassland

Sightings by month

Oso negro (Ursus americanus), Parque natural provincial Tatshenshini-Alsek, Yukón, Canadá, 2017-08-25, DD 85

American Black Bear

Ursus americanus

Rarely seen in South Dakota 10 sightings
Size 1.2–2 m3.9–6.6 ft Weight 40–250 kg88.2–551.2 lb active by night conifer forest

Sightings by month

Mustela Erminea head

American Ermine

Mustela erminea

Rarely seen in South Dakota 15 sightings
Size 17–33 cm6.7–13 in Weight 70–260 g2.5–9.2 oz active by night coniferous forest

Sightings by month

Norka amerykańska (neovison vison)

American Mink

Neogale vison

Occasional in South Dakota 66 sightings
Size 33–45.7 cm13–18 in Weight 0.5–1.4 kg1–3 lb active day & night lake

Sightings by month

American pygmy shrew crossing an asphalt path

American pygmy shrew

Sorex hoyi

Occasional in South Dakota 27 sightings
Size 5–7 cm2–2.8 in Weight 2–5 g0.1–0.2 oz active day & night deciduous forest

Sightings by month

Tamiasciurus hudsonicus James Gardens

American Red Squirrel

Tamiasciurus hudsonicus

Common in South Dakota 283 sightings
Size 17–23 cm6.7–9.1 in Weight 140–310 g4.9–10.9 oz active by day wetland

Sightings by month

American water shrew swimming at the surface of a stream, seen from above

American water shrew

Sorex palustris

Marginal occurrence · 2 records
Size 8 cm3.1 in Weight 8–18 g0.3–0.6 oz active day & night river
Sorex arcticus

Arctic shrew

Sorex arcticus

Marginal occurrence · 1 record
Size 10–13 cm3.9–5.1 in Weight 5–11 g0.2–0.4 oz active by night boreal forest
Arizona myotis roosting on stonework

Arizona myotis

Myotis occultus

Size 5.3 cm2.1 in Weight 8 g0.3 oz active by night cave

Sightings by month

Big Brown Bats (Eptesicus fuscus)

Big Brown Bat

Eptesicus fuscus

Occasional in South Dakota 26 sightings
Size 7.5 cm3 in Weight 17 g0.6 oz active by night agricultural

Sightings by month

New Mexico Bighorn Sheep

Bighorn Sheep

Ovis canadensis

Common in South Dakota 2,038 sightings
Size 1.7 m5.5 ft Weight 58–143 kg127.9–315.3 lb active day & night desert

Sightings by month

Black-footed ferret checking out his new digs (30027077935)

Black-footed Ferret

Mustela nigripes

Occasional in South Dakota 27 sightings
Size 38–50 cm15–19.7 in Weight 0.7–1.2 kg1.4–2.6 lb active by night great basin desert

Sightings by month

Black-tailed jackrabbit (6785302534)

Black-tailed Jackrabbit

Lepus californicus

Marginal occurrence · 3 records
Size 47–63 cm1.5–2.1 ft Weight 1.3–3.6 kg2.9–7.9 lb active by night open desert
black-tailed prairie dog (Cynomys ludovicianus)

Black-tailed Prairie Dog

Cynomys ludovicianus

Common in South Dakota 2,503 sightings
Size 28–36 cm11–14.2 in Weight 0.7–1.5 kg1.5–3.3 lb active by day grassland

Sightings by month

Bobcat (Lynx rufus)

Bobcat

Lynx rufus

Occasional in South Dakota 32 sightings
Size 30–60 cm11.8–23.6 in Weight 4–18 kg8.8–39.7 lb active by night forest edge

Sightings by month

Bushy-tailed woodrat peering from forest floor cover at Oregon Caves

Bushy-tailed Woodrat

Neotoma cinerea

Occasional in South Dakota 20 sightings
Size 22.7 cm8.9 in Weight 286 g10.1 oz active by night coniferous forest

Sightings by month

Common Raccoon in Hugh Taylor Birch State Park

Common Raccoon

Procyon lotor

Occasional in South Dakota 87 sightings
Size 40–70 cm1.3–2.3 ft Weight 3.5–9 kg7.7–19.8 lb active by night mixed forest

Sightings by month

Mother Coyote Sitting, Watching Over Den, Photo 1 of 2 (47924154788)

Coyote

Canis latrans

Common in South Dakota 378 sightings
Size 0.8–1 m2.5–3.3 ft Weight 7–21 kg15.4–46.3 lb active day & night urban

Sightings by month

Desert cottontail rabbit (Sylvilagus audubonii) (5-13-11) patagonia lake, scc, az -01 (5720663856)

Desert Cottontail

Sylvilagus audubonii

Common in South Dakota 151 sightings
Size 35–43 cm13.8–16.9 in Weight 0.7–1.2 kg1.5–2.6 lb active day & night desert

Sightings by month

AI-generated image: Dwarf Shrew in side profile crossing rocky alpine gravel. No public-domain photograph of this species exists. This image was generated with AI from verified reference material and reviewed by our editorial team for accuracy

Dwarf Shrew

Sorex nanus

Marginal occurrence · 8 records
Size 5.6 cm2.2 in Weight 2–3 g0.1 oz active day & night great basin desert
Eastern Chipmunk (Tamias striatus)

Eastern Chipmunk

Tamias striatus

Rarely seen in South Dakota 10 sightings
Size 16.6 cm6.5 in Weight 93 g3.3 oz active by day urban

Sightings by month

Blacklick Woods - Eastern cottontail feeding 1

Eastern Cottontail

Sylvilagus floridanus

Common in South Dakota 397 sightings
Size 36–43 cm14.2–16.9 in Weight 0.8–1.5 kg1.8–3.3 lb active day & night lake

Sightings by month

Grey squirrel (Sciurus carolinensis) 01

Eastern Gray Squirrel

Sciurus carolinensis

Marginal occurrence · 3 records
Size 23–30 cm9.1–11.8 in Weight 400–710 g0.9–1.6 lb active by day wetland

Sightings by month

Eastern Mole (Scalopus aquaticus)

Eastern Mole

Scalopus aquaticus

Rarely seen in South Dakota 6 sightings
Size 14.8 cm5.8 in Weight 75 g2.6 oz active day & night river

Sightings by month

Eastern red bat roosting among green leaves, disguised as a dead leaf

Eastern Red Bat

Lasiurus borealis

Marginal occurrence · 7 records
Size 9.3–11.7 cm3.7–4.6 in Weight 7–13 g0.2–0.5 oz active by night desert

Sightings by month

Elk (Cervus canadensis)

Elk

Cervus canadensis

Common in South Dakota 207 sightings
Size 1.6–2.7 m5.2–8.9 ft Weight 178–497 kg392.4–1095.7 lb active day & night forest edge

Sightings by month

European rabbit feeding in dry vegetation

European Rabbit

Oryctolagus cuniculus

Marginal occurrence · 3 records
Size 34–50 cm13.4–19.7 in Weight 1–2.5 kg2.2–5.5 lb active by night grassland

Sightings by month

Evening bat resting, brown fur and dark ears and wings visible, not restrained

Evening Bat

Nycticeius humeralis

Range-listed · no digitized records yet
Size 5 cm2 in Weight 7–15 g0.2–0.5 oz active by night agricultural
Sciurus niger

Fox Squirrel

Sciurus niger

Common in South Dakota 452 sightings
Size 25.4–38.1 cm10–15 in Weight 804 g1.8 lb active by day river

Sightings by month

Franklin's Ground Squirrel in Nebraska

Franklin's Ground Squirrel

Poliocitellus franklinii

Occasional in South Dakota 35 sightings
Size 36–41 cm14.2–16.1 in Weight 370 g13.1 oz active by day grassland

Sightings by month

Fringed Myotis (Myotis thysanodes)

Fringed Myotis

Myotis thysanodes

Occasional in South Dakota 34 sightings
Size 5.4 cm2.1 in Weight 9 g0.3 oz active by night desert

Sightings by month

Gray fox standing in dappled woodland

Gray Fox

Urocyon cinereoargenteus

Rarely seen in South Dakota 13 sightings
Size 0.8–1.1 m2.5–3.7 ft Weight 3–9 kg6.6–19.8 lb active day & night brushy woodland

Sightings by month

Silver-gray wolf walking along a gravel bank in Alaska

Gray Wolf

Canis lupus

Marginal occurrence · 8 records
Size 1.1–1.6 m3.4–5.2 ft Weight 23–80 kg50.7–176.4 lb active day & night cave
Groundhog (Marmota monax)

Groundhog

Marmota monax

Occasional in South Dakota 54 sightings
Size 50.6 cm19.9 in Weight 3.4 kg7.5 lb active by day woodland

Sightings by month

Hispid pocket mouse standing on pale rocky ground at night

Hispid Pocket Mouse

Chaetodipus hispidus

Occasional in South Dakota 51 sightings
Size 17–23 cm6.7–9.1 in Weight 30–47 g1.1–1.7 oz active by night river

Sightings by month

House mouse in dry plant litter

House Mouse

Mus musculus

Occasional in South Dakota 31 sightings
Size 5–10 cm2–3.9 in Weight 12–30 g0.4–1.1 oz active by night agricultural

Sightings by month

Least Chipmunk in natural habitat

Least Chipmunk

Neotamias minimus

Common in South Dakota 747 sightings
Size 10–11 cm3.9–4.3 in Weight 41–47 g1.4–1.7 oz active by day shrubland

Sightings by month

Least Weasel (Mustela nivalis)

Least Weasel

Mustela nivalis

Occasional in South Dakota 19 sightings
Size 26 cm10.2 in Weight 50 g1.8 oz active by night grassland

Sightings by month

Long-eared myotis peering over weathered wood

Long-eared Myotis

Myotis evotis

Occasional in South Dakota 23 sightings
Size 8.7–10 cm3.4–3.9 in Weight 7 g0.2 oz active by night shrubland

Sightings by month

Long-legged myotis roosting on tree bark with wings folded

Long-legged Myotis

Myotis volans

Common in South Dakota 148 sightings
Size 8.3–10.6 cm3.3–4.2 in Weight 6–10 g0.2–0.4 oz active by night urban

Sightings by month

Long-tailed vole peering from rocks

Long-tailed Vole

Microtus longicaudus

Common in South Dakota 141 sightings
Size 13.5 cm5.3 in Weight 50 g1.8 oz active day & night cave

Sightings by month

Long-tailed weasel standing alert in grass with its black-tipped tail curled behind it, Sonoma County, California

Long-tailed Weasel

Neogale frenata

Occasional in South Dakota 20 sightings
Size 24.8 cm9.8 in Weight 170 g6 oz active day & night wetland

Sightings by month

Sorex cinereus, Harwich, Chatham, Ontario, Canada 1

Masked Shrew

Sorex cinereus

Common in South Dakota 93 sightings
Size 6.9 cm2.7 in Weight 5 g0.2 oz active day & night grassland

Sightings by month

AI-generated image: Merriam's Shrew in side profile on dry soil among rocks. No public-domain photograph of this species exists. This image was generated with AI from verified reference material and reviewed by our editorial team for accuracy

Merriam's Shrew

Sorex merriami

Marginal occurrence · 2 records
Size 6.2 cm2.4 in Weight 5 g0.2 oz active day & night desert
Mountain cottontail in dry western woodland edge

Mountain Cottontail

Sylvilagus nuttallii

Occasional in South Dakota 24 sightings
Size 27.9–38.1 cm11–15 in Weight 0.6–1.1 kg1.3–2.4 lb active day & night coniferous forest

Sightings by month

Mountain goat standing on a rocky overlook above Hidden Lake in Glacier National Park with snow-streaked peaks behind

Mountain Goat

Oreamnos americanus

Common in South Dakota 407 sightings
Size 1.2–1.8 m3.9–5.9 ft Weight 45–140 kg99.2–308.6 lb active day & night subalpine

Sightings by month

Mountain Lion (Puma concolor)

Mountain Lion

Puma concolor

Occasional in South Dakota 36 sightings
Size 1–1.5 m3.3–5.1 ft Weight 36–120 kg79.4–264.6 lb active day & night montane forest

Sightings by month

Mule Deer (Odocoileus hemionus)

Mule Deer

Odocoileus hemionus

Common in South Dakota 729 sightings
Size 1.3–1.7 m4.1–5.5 ft Weight 55–150 kg121.3–330.7 lb active day & night river

Sightings by month

Muskrats resting on a floating log in open water

Muskrat

Ondatra zibethicus

Common in South Dakota 109 sightings
Size 25–36 cm9.8–14.2 in Weight 0.6–2 kg1.3–4.4 lb active day & night wetland

Sightings by month

Deer Mouse (Peromyscus maniculatus) (9310532204)

North American Deermouse

Peromyscus maniculatus

Common in South Dakota 1,407 sightings
Size 8–10 cm3.1–3.9 in Weight 21 g0.7 oz active by night river

Sightings by month

North American least shrew moving through short grass

North American Least Shrew

Cryptotis parvus

Rarely seen in South Dakota 15 sightings
Size 5–8 cm2–3.1 in Weight 6 g0.2 oz active by night grassland

Sightings by month

Erethizontidae Erethizon dorsatum 3.2

North American Porcupine

Erethizon dorsatus

Occasional in South Dakota 69 sightings
Size 60–90 cm2–3 ft Weight 3.5–12 kg7.7–26.5 lb active by night mixed forest

Sightings by month

River Otter (Lontra canadensis)

North American River Otter

Lontra canadensis

Marginal occurrence · 8 records
Size 0.7–1.1 m2.2–3.5 ft Weight 5–15 kg11–33.1 lb active day & night river

Sightings by month

Northern Flying Squirrel (Glaucomys sabrinus)

Northern Flying Squirrel

Glaucomys sabrinus

Occasional in South Dakota 32 sightings
Size 25–37 cm9.8–14.6 in Weight 148 g5.2 oz active by night mixed conifer

Sightings by month

Northern grasshopper mouse walking beside desert grass

Northern Grasshopper Mouse

Onychomys leucogaster

Occasional in South Dakota 60 sightings
Size 12.7 cm5 in Weight 33 g1.2 oz active by night grassland

Sightings by month

Hoary bat in flight against blue sky, wings spread to show its yellow throat patch and heavily frosted fur

Northern Hoary Bat

Lasiurus cinereus

Occasional in South Dakota 44 sightings
Size 13–15 cm5.1–5.9 in Weight 26 g0.9 oz active by night cave

Sightings by month

Northern myotis hanging head-down from a rock ceiling, long ears and tan fur visible

Northern Myotis

Myotis septentrionalis

Occasional in South Dakota 38 sightings
Size 8.6 cm3.4 in Weight 6 g0.2 oz active by night coniferous forest

Sightings by month

Northern pocket gopher in low vegetation

Northern pocket gopher

Thomomys talpoides

Common in South Dakota 190 sightings
Size 22.9 cm9 in Weight 60–160 g2.1–5.6 oz active day & night river

Sightings by month

Northern Short-tailed Shrew (Blarina brevicauda)

Northern Short-tailed Shrew

Blarina brevicauda

Common in South Dakota 227 sightings
Size 11.1 cm4.4 in Weight 21 g0.7 oz active day & night riparian

Sightings by month

Live Norway rat beside shallow water

Norway Rat

Rattus norvegicus

Marginal occurrence · 3 records
Size 15–28 cm5.9–11 in Weight 140–500 g0.3–1.1 lb active by night urban
Olive-backed pocket mouse in grass and dry litter at night

Olive-backed Pocket Mouse

Perognathus fasciatus

Occasional in South Dakota 35 sightings
Size 8 cm3.1 in Weight 11–14 g0.4–0.5 oz active by night grassland

Sightings by month

Ord's kangaroo rat standing in profile, showing its huge hind feet and long tufted tail

Ord's Kangaroo Rat

Dipodomys ordii

Common in South Dakota 162 sightings
Size 21–36.5 cm8.3–14.4 in Weight 50 g1.8 oz active by night great basin desert

Sightings by month

Pacific Marten (Martes caurina)

Pacific Marten

Martes caurina

Rarely seen in South Dakota 11 sightings
Size 50–70 cm1.6–2.3 ft Weight 0.5–1.4 kg1.1–3.1 lb active by night coniferous forest

Sightings by month

Plains harvest mouse close-up among dry grass stems and twigs

Plains Harvest Mouse

Reithrodontomys montanus

Occasional in South Dakota 19 sightings
Size 7.6 cm3 in Weight 10 g0.4 oz active by night grassland

Sightings by month

Plains pocket gopher emerging from a burrow in reddish soil

Plains Pocket Gopher

Geomys bursarius

Common in South Dakota 114 sightings
Size 25–35 cm9.8–13.8 in Weight 187 g6.6 oz active day & night grassland

Sightings by month

Apache pocket mouse, a subspecies of the plains pocket mouse, eating seeds on sandy ground

Plains pocket mouse

Perognathus flavescens

Occasional in South Dakota 67 sightings
Size 6.9 cm2.7 in Weight 9 g0.3 oz active by night desert

Sightings by month

Plains spotted skunk walking through rocky leaf litter in Texas

Plains Spotted Skunk

Spilogale interrupta

Occasional in South Dakota 22 sightings
Size 35–55 cm13.8–21.7 in Weight 583 g1.3 lb active by night wetland

Sightings by month

AI-generated image: Prairie Shrew foraging in shortgrass prairie ground litter. No public-domain photograph of this species exists. This image was generated with AI from verified reference material and reviewed by our editorial team for accuracy.

Prairie Shrew

Sorex haydeni

Common in South Dakota 353 sightings
Size 7–10 cm2.8–3.9 in Weight 3–6 g0.1–0.2 oz active by night prairie

Sightings by month

AI-generated image: Prairie Vole alert in a grassy meadow, stocky grizzled brown-gray body and short tail. No public-domain photograph of this species exists. This image was generated with AI from verified reference material and reviewed by our editorial team for accuracy

Prairie Vole

Microtus ochrogaster

Common in South Dakota 344 sightings
Size 12.4 cm4.9 in Weight 47 g1.7 oz active day & night grassland

Sightings by month

Pronghorn buck standing in a meadow of yellow wildflowers

Pronghorn

Antilocapra americana

Common in South Dakota 1,699 sightings
Size 1.2–1.5 m3.9–4.9 ft Weight 32–70 kg70.5–154.3 lb active day & night grassland

Sightings by month

Red Fox (Vulpes vulpes)

Red Fox

Vulpes vulpes

Occasional in South Dakota 47 sightings
Size 43 cm16.9 in Weight 5–10 kg11–22 lb active day & night desert

Sightings by month

Urocitellus richardsonii GNP 03

Richardson's Ground Squirrel

Urocitellus richardsonii

Occasional in South Dakota 69 sightings
Size 28–33 cm11–13 in Weight 250–610 g0.6–1.3 lb active by day prairie

Sightings by month

Sagebrush vole partly hidden in low shrub cover

Sagebrush Vole

Lemmiscus curtatus

Range-listed · no digitized records yet
Size 11–14 cm4.3–5.5 in Weight 28 g1 oz active day & night shrubland

Sightings by month

Silky pocket mouse crouched on sandy grassland ground

Silky Pocket Mouse

Perognathus flavus

Marginal occurrence · 3 records
Size 9.5–11.8 cm3.7–4.6 in Weight 6–9 g0.2–0.3 oz active by night grassland
Silver-haired bat tucked into loose bark

Silver-haired Bat

Lasionycteris noctivagans

Occasional in South Dakota 23 sightings
Size 9.5–11.5 cm3.7–4.5 in Weight 11 g0.4 oz active by night river

Sightings by month

Lepus americanus 5459 cropped

Snowshoe Hare

Lepus americanus

Marginal occurrence · 1 record
Size 41–52 cm16.1–20.5 in Weight 1.4–1.6 kg3.2–3.4 lb active by night coniferous forest
AI-generated image: Southern bog lemming alert among wet sedges and sphagnum at a bog edge. No public-domain photograph of this species exists. This image was generated with AI from verified reference material and reviewed by our editorial team for accuracy

Southern Bog Lemming

Synaptomys cooperi

Range-listed · no digitized records yet
Size 11.8 cm4.6 in Weight 35 g1.2 oz active day & night mixed conifer
Southern red-backed vole feeding among sunflower seeds on snow

Southern Red-backed Vole

Clethrionomys gapperi

Common in South Dakota 304 sightings
Size 12–16.5 cm4.7–6.5 in Weight 6–42 g0.2–1.5 oz active by night mixed forest

Sightings by month

Live western jumping mouse crouched in leaf litter with its long tail curving behind

Southwestern Jumping Mouse

Zapus princeps

Marginal occurrence · 1 record
Size 22–25 cm8.7–9.8 in Weight 28 g1 oz active by night montane forest
Spotted ground squirrel sitting upright at a burrow entrance, its back covered in scattered white spots

Spotted Ground Squirrel

Xerospermophilus spilosoma

Range-listed · no digitized records yet
Size 18–25 cm7.1–9.8 in Weight 100–200 g3.5–7.1 oz active by day grassland
Mephitis mephitis in Dierenpark Zie-ZOO

Striped Skunk

Mephitis mephitis

Occasional in South Dakota 51 sightings
Size 46.5–81.5 cm1.5–2.7 ft Weight 0.6–6.3 kg1.3–13.9 lb active by night grassland

Sightings by month

Swift fox at a burrow entrance on the shortgrass prairie

Swift Fox

Vulpes velox

Marginal occurrence · 2 records
Size 38–53 cm15–20.9 in Weight 1.6–3 kg3.5–6.6 lb active day & night grassland

Sightings by month

Thirteen-lined ground squirrel crouched beside short grass

Thirteen-lined ground squirrel

Ictidomys tridecemlineatus

Common in South Dakota 335 sightings
Size 17–30 cm6.7–11.8 in Weight 173 g6.1 oz active by day grassland

Sightings by month

Townsend's big-eared bat roosting on a cave wall

Townsend's Big-eared Bat

Corynorhinus townsendii

Rarely seen in South Dakota 4 sightings
Size 5.8 cm2.3 in Weight 9–11 g0.3–0.4 oz active by night coastal

Sightings by month

Tricolored Bat hibernating on a limestone mine wall

Tricolored Bat

Perimyotis subflavus

Marginal occurrence · 1 record
Size 7.7–8.9 cm3–3.5 in Weight 5–8 g0.2–0.3 oz active by night cave
Virginia Opossum clinging to a tree branch in a snowy winter woodland

Virginia Opossum

Didelphis virginiana

Occasional in South Dakota 58 sightings
Size 40.8 cm16.1 in Weight 1.1–1.6 kg2.5–3.6 lb active by night river

Sightings by month

Western deer mouse sheltering in a rock crevice

Western Deer Mouse

Peromyscus sonoriensis

Size 12–20 cm4.7–7.9 in Weight 15–32 g0.5–1.1 oz active by night river

Sightings by month

Western harvest mouse moving through dry stems and gravel

Western Harvest Mouse

Reithrodontomys megalotis

Common in South Dakota 299 sightings
Size 11.8–17 cm4.6–6.7 in Weight 11 g0.4 oz active by night wetland

Sightings by month

Little brown myotis roosting alertly on a wooden beam

Western Little Brown Myotis

Myotis lucifugus

Common in South Dakota 113 sightings
Size 8–9.5 cm3.1–3.7 in Weight 6–13 g0.2–0.5 oz active by night cave

Sightings by month

Western meadow vole Talkeetna alaska

Western Meadow Vole

Microtus drummondii

Rarely seen in South Dakota 13 sightings
Size 13–20 cm5.1–7.9 in Weight 39 g1.4 oz active day & night river

Sightings by month

Western small-footed myotis roosting on wood with its dark face mask visible

Western Small-footed Myotis

Myotis ciliolabrum

Common in South Dakota 122 sightings
Size 8–10 cm3.1–3.9 in Weight 4–5 g0.1–0.2 oz active by night desert

Sightings by month

White-footed mouse on a fallen log in leaf litter

White-footed Mouse

Peromyscus leucopus

Common in South Dakota 438 sightings
Size 10.1 cm4 in Weight 20–30 g0.7–1.1 oz active by night urban

Sightings by month

White-tailed Deer (Odocoileus virginianus)

White-tailed Deer

Odocoileus virginianus

Common in South Dakota 907 sightings
Size 0.9–2.2 m3.1–7.2 ft Weight 68–136 kg149.9–299.8 lb active day & night mixed forest

Sightings by month

White-tailed Jackrabbit (Lepus townsendii)

White-tailed Jackrabbit

Lepus townsendii

Occasional in South Dakota 55 sightings
Size 45–65 cm1.5–2.1 ft Weight 2.6–4.3 kg5.7–9.5 lb active by night grassland

Sightings by month

Marmota flaviventris (29862435206)

Yellow-bellied Marmot

Marmota flaviventris

Common in South Dakota 218 sightings
Size 47–68 cm1.5–2.2 ft Weight 3–5 kg6.6–11 lb active by day great basin desert

Sightings by month