| ORDER / family |
COMMON NAME |
GENUS / SPECIES |
DISTRIBUTION |
HABITAT (See key below) |
STATUS (See key below) |
Slides available from ASM** |
Slide no. |
Mammalian Species # |
|
| MARSUPIALIA |
|
|
|
|
|
|
|
| Didelphidae |
Virginia Opossum |
Didelphis virgiana |
|
variety typically near water |
|
W,B |
4, 630; 828, 829, 830 |
40 |
|
| INSECTIVORA |
|
|
|
|
|
|
|
|
|
| Soricidae |
Masked Shrew |
Sorex cinereus |
statewide except ne corner |
damp coniferous or deciduous areas |
|
|
|
|
|
| |
Dusky or Montane Shrew |
Sorex monticolus |
nw 1/3, se 1/4 |
moist montane deciduous forest |
|
|
|
|
|
| |
Dwarf Shrew |
Sorex nanus |
western 2/3 |
alpine rubble over 4240 m and arid habitats at lower elevations |
|
|
|
131 |
|
| |
Water Shrew |
Sorex palustris |
nw 1/3, se 1/4 |
cold clear streams and wet meadows |
|
|
|
296 |
|
| |
Preble's Shrew |
Sorex preblei |
extreme nw, Lamar ranger station, Yellowstone |
|
|
|
|
416 |
|
| |
Merriam's Shrew |
Sorex merriami |
statewide |
grasslands & mixed woodlands |
|
|
|
2 |
|
| |
Pygmy Shrew |
Sorex hoyi |
se corner near Laramie |
|
R |
|
|
|
|
| |
Hayden's Shrew |
Sorex haydeni |
ne corner |
montane |
|
|
|
|
|
| |
Vagrant Shrew |
Sorex vagrans |
sw edge |
|
R |
|
|
|
|
| Talpidae |
Eastern mole |
Scalopus aquaticus |
se edge |
|
|
C,S |
647; 648 |
105 |
|
| CHIROPTERA |
|
|
|
|
|
|
|
|
|
| Verspertilionidae |
Little Brown Myotis |
Myotis lucifugus |
statewide |
variety of habitats close to water |
|
X,G |
224; 225, 814 |
142 |
|
| |
Yuma Myotis |
Myotis yumanensis |
central 1/2 |
riparian communities below coniferous forest life zone |
|
|
|
|
|
| |
Long-legged Myotis |
Myotis volans |
statewide |
mixed deciduous forest above 1300m |
|
|
|
224 |
|
| |
Long-eared Myotis |
Myotis evotis |
statewide |
coniferous forests |
|
X |
732 |
329 |
|
| |
Fringed Myotis |
Myotis thysanodes |
eastern 1/4 |
mid elevations, grasslands, deserts and woodlands |
|
|
|
137 |
|
| |
California Myotis |
Myotis californicus |
bighorn basin |
low desert to oak juniper woodlands |
|
|
|
428 |
|
| |
Small-footed Myotis |
Myotis ciliolabrum |
statewide |
montane forest to shortgrass prairie |
|
X |
226 |
|
|
| |
Keen's Myotis |
Myotis keenii |
ne corner |
mixed deciduous forest |
R |
|
|
|
|
| |
Silver-haired Bat |
Lasionycteris noctivagans |
statewide |
variety of habitats |
C |
X |
658 |
172 |
|
| |
Big Brown Bat |
Eptesicus fuscus |
statewide |
frequently around buildings |
C |
X,C |
39; 223 |
356 |
|
| |
Red Bat |
Lasiurus borealis |
eastern 1/3 |
|
R |
X,C |
40; 655, 815 |
183 |
|
| |
Hoary Bat |
Lasiurus cinereus |
statewide |
grease-wood flats, aspen-pine forest |
R |
X |
41, 42, 656 |
185 |
|
| |
Spotted Bat |
Euderma maculatum |
western 1/2 |
low desert to evergreen forests |
R |
X |
734 |
77 |
|
| |
Townsend's Big-eared Bat |
Plecotus townsendii |
statewide |
desert shrublands to dry coniferous forests |
|
C |
229 |
175 |
|
| |
Pallid Bat |
Antrozous pallidus |
southern and eastern edge |
desert and grassland |
|
C |
230 |
213 |
|
| Molossidae |
Brazilian Free-tailed Bat |
Tadarida brasiliensis |
se corner |
|
|
|
|
331 |
|
| LAGOMORPHA |
|
|
|
|
|
|
|
|
|
| Ochotonidae |
Pika |
Ochotona princeps |
northwest mtns, Bighorns, Sierra Madre, Medicine Bow range |
talus slopes, tundra, subalpine fir, spruce fir |
|
X,B |
63; 64 |
352 |
|
| Leporidae |
Pygmy rabbit |
Sylvilagus idahoensis |
sw corner |
dense tall stands of big sagebrush |
|
|
|
|
|
| |
Eastern Cottontail |
Sylvilagus floridanus |
se corner |
riprarian, brush |
|
|
|
136 |
|
| |
Nuttall's Cottontail |
Sylvilagus nutalli |
statewide except se corner |
sagebrush, juniper, pine and fir between 1200-2700m |
|
|
|
56 |
|
| |
Desert Cottontail |
Sylvilagus audubonii |
statewide |
shrublands, juniper woodlands |
|
X,Y |
58; 953 |
106 |
|
| |
Snowshoe Hare |
Lepus americanus |
mountain ranges except for Black Hills |
high elevation riparian or shrubby habitats |
|
X,P |
246; 544 |
|
|
| |
White-tailed Jack Rabbit |
Lepus townsendii |
statewide |
wide range of open habitats |
|
|
|
288 |
|
| |
Black-tailed Jack Rabbit |
Lepus californicus |
eastern 1/3 |
short grass prairie below ponderosa pine forest zone |
|
X,Y |
60; 246 |
|
|
| RODENTIA |
|
|
|
|
|
|
|
|
|
| Sciuridae |
Least Chipmunk |
Tamias minimus |
statewide |
arid areas: sagebrush, rocky hillsides |
|
X |
108 |
|
|
| |
Cliff Chipmunk |
Tamias dorsalis |
se edge |
rocky, steep hillsides |
|
|
|
399 |
|
| |
Yellow-Pine Chipmunk |
Tamias amoenus |
nw 1/3 |
aspen and lodgepole pine forests |
|
|
|
|
|
| |
Uinta Chipmunk |
Tamias umbrinus |
nw corner and southern edge |
lodgepole pine and douglas fir forests |
|
|
|
|
|
| |
yellow-bellied Marmot |
Marmota flaviventris |
nw 1/2 south central and ne edge |
tundra to nearby plains |
|
X |
106 |
135 |
|
| |
Wyoming Ground Squirrel |
Spermophilus elegans |
southern 1/2 |
open habitats; sage grasslands to alpine meadows |
|
X |
99 |
243 |
|
| |
Uinta Ground Squirrel |
Spermophilus armatus |
western 1/3 |
grasslands meadows open areas in forests |
|
|
|
|
|
| |
Thirteen-lined Ground Squirrel |
Spermophilus tricemlineatus |
eastern 3/4 |
grasslands and desert grasslands |
|
X,C |
103; 573 |
103 |
|
| |
Spotted Ground Squirrel |
Spermophilus spilosoma |
se corner |
deep sandy soils with little vegetation |
|
|
|
101 |
|
| |
Golden-mantled Ground Squirrel |
Spermophilus lateralis |
southern and western parts |
rocky outcrops, open areas |
|
X,P |
100; 1108 |
440 |
|
| |
Black-tailed Prairie Dog |
Cynomys ludovicianus |
eastern 1/2 |
over grazed short grass prairie |
|
X |
105 |
|
|
| |
White-tailed Prairie Dog |
Cynomys leucurus |
western 1/2 |
shrub grass and desert grass communities |
|
|
|
7 |
|
| |
Fox Squirrel |
Sciurus niger |
cities of Larimie & Cheyenne and Black Hills |
deciduous trees in cities |
|
X |
96, 880 |
479 |
|
| |
Abert's squirrel |
Sciurus aberti |
se edge |
rocky ponderosa pine grassland |
|
|
|
|
|
| |
Red Squirrel (Pine Squirrel, Chickaree) |
Tamiasciurus hudsonicus |
throughout conifer covered mountains |
conifer forests |
|
X,H |
111, 260, 826; 827 |
|
|
| |
Northern Flying Squirrel |
Flaucomys sabrinus |
conifer covered mtns in northwest and in Sweetwater county and Black hills |
conifer forests |
|
|
|
|
|
| Geomyidae |
Wyoming pocket gopher |
Thomomys clusius |
south central edge |
upland species, gravelly soil and greasewood |
|
|
|
|
|
| |
Northern Pocket Gopher |
Thomomys talpoides |
statewide |
all vegetation types with loose soil |
|
X,A |
688; 689 |
|
|
| |
Plains Pocket Gopher |
Geomys lutescens |
eastern 1/4 |
deep sandy soils in treeless prairie |
|
X |
690 |
|
|
| |
Idaho pocket gopher |
Thomomys idhoensis |
sw corner |
shallow stony soils |
|
|
|
|
|
| Heteromyidae |
Olive-backed Mouse |
Perognathus faciatus |
eastern 3/4 |
sandy areas, shortgrass prairie |
|
|
|
|
|
| |
Plains Pocket Mouse |
Perognathus flavescens |
se corner |
sand dunes, sage grassland, yucca grassland |
|
X |
694 |
|
|
| |
Silky Pocket Mouse |
Perognathus flavus |
se corner and edge |
grassland, desert and junifper woodland |
|
X |
562, 1182 |
471 |
|
| |
Great Basin Pocket Mouse |
Perognathus parvus |
sw corner |
low basin shrub grassland |
|
X |
752 |
318 |
|
| |
Hispid Pocket Mouse |
Perognathus hispidus |
easterb 1.4 |
sand dunes, sage-grass and prairies |
|
|
|
|
|
| |
Ord's Kangaroo Rat |
Dipodomys ordii |
arid basins throughout state |
restricted to pen sand dunes |
|
X,S |
560, 693, 1099 |
353 |
|
| Castoridae |
Beaver |
Castor canadensis |
statewide |
wetlands |
|
X,H |
408, 409, 1239; 248, 410, 1316, 1317 |
120 |
|
| Muridae |
Plains Harvest Mouse |
Reithrodontomys montanus |
eastern 1/2 |
grassland with little bare soil |
|
|
|
257 |
|
| |
Western Harvest Mouse |
Reithrodontomys megalotis |
eastern 2/3 |
grassy areas, shrub-steppe |
|
X |
1018 |
167 |
|
| |
Deer Mouse |
Peromyscus maniculatus |
statewide |
most all habitats |
|
X |
74, 1175 |
|
|
| |
White-footed Mouse |
Peromyscus leucopus |
ne corner and edge |
woodlands, gallery forests |
|
X,A |
73, 1174;251 |
247 |
|
| |
Canyon Mouse |
Peromyscus crinitus |
sw edge |
sandstone outcrops sandy soils and limber pine or lodgepole |
|
|
|
287 |
|
| |
Pinon Mouse |
Peromyscus truei |
sw edge |
less dense shrubsteppe areas |
|
|
|
|
|
| |
Northern Grasshopper Mouse |
Onychomys leucogaster |
statewide except nw corner |
semiarid grasslands with silty or sandy soils |
|
X |
253, 1017, 1169 |
87 |
|
| |
Bushy tailed woodrat |
Neotoma cinerea |
statewide |
rocky outcrops |
|
|
|
310 |
|
| Arvicolinae (subfamily) |
Southern Red-backed Vole |
Clethrionomys gapperi |
lodgepole pine, spruce-fir and mixed deciduous forests |
often near marshy areas, leaf litter, willow communities |
|
X |
69 |
146 |
|
| |
Heather Vole |
Phenacomys intermedius |
mtns in nw, Uintas, Sierra Madre and Medicine Bow mtns |
grassy streamsides, spruce-fir forests fell fields,alpine meadows |
|
|
|
305 |
|
| |
Meadow Vole |
Microtus pennsylvanicus |
western and ne |
moist grasslands, sedge meadows |
|
X |
70 |
159 |
|
| |
Montane Vole |
Microtus montanus |
western 2/3 |
grassy openings from boreal coniferous forests to juniper-sage communities |
|
|
|
|
|
| |
Long-tailed Vole |
Microtus longicaudus |
statewide |
variable habitat including grassland, alpine and wet meadows |
|
|
|
271 |
|
| |
Prairie Vole |
Microtus ochrogaster |
eastern 2/3 |
drier prairies with non-codominant shrubs |
|
X |
1160 |
355 |
|
| |
Sagebrush Vole |
Lemmiscus curtatus |
statewide |
dense sage, greasewood or rabbit brush |
|
|
|
|
|
| |
Water Vole |
Microtus richardsoni |
nw corner, edge |
subalpine and alpine meadow streams of low gradient |
|
X |
947 |
|
|
| |
Muskrat |
Ondatra zibethicus |
statewide |
aquatic habitats |
|
X,H |
1162; 1163 |
141 |
|
| Murinae (subfamily) |
Norway Rat |
Rattus norvegicus |
statewide |
|
|
X,W,G,B |
758; 755; 756; 757 |
|
|
| |
House Mouse |
Mus musculus |
statewide |
|
|
X |
92, 754 |
|
|
| Dipodidae |
Meadow Jumping Mouse |
Zapus hudsonius |
eastern edge |
moist streamside vegetation in open prairie |
|
|
|
11 |
|
| |
Western Jumping Mouse |
Zapus princeps |
western parts |
streamsides marshes and ponds |
|
X |
1110 |
|
|
| Erethizontidae |
Porcupine |
Erethizon dorsatum |
statewide |
forests or vegetated riparian areas |
|
X,Y |
83; 870 |
29 |
|
| CARNIVORA |
|
|
|
|
|
|
|
|
|
| Canidae |
Coyote |
Canis latrans |
statewide |
variety plains, mountains and deserts |
|
X,C |
1126, 1127, 1267; 265 |
79 |
|
| |
Grey Wolf |
Canis lupus |
statewide |
variety, grasslands, sagebrush steppes, mixed forests |
|
X,P |
581, 1128; 1038 |
37 |
|
| |
Red Fox |
Vulpes vulpes |
statewide |
streamside communities open areas, brush etc. |
|
X,W,Y |
582; 435; 436 |
|
|
| |
Swift Fox |
Vulpes velox |
eastern 1/4 |
shortgrass prairie |
|
X,Y |
583, 1208; 269 |
122 |
|
| |
Grey Fox |
Urocyon cinereo- argenteus |
ne corner |
deciduous forest, stream courses and shrublands |
|
X |
584 |
189 |
|
| Ursidae |
Black Bear |
Ursus americanus |
western 2/3 |
roadless areas with thick understory vegetation |
|
C,S |
142;1132 |
|
|
| |
Grizzly Bear |
Ursus arctos |
nw corner |
non-forested valley and plateau grasslands forested areas with wet to medium conditions |
|
X,C,CB,B |
455, 1008; 821, 1271 |
439 |
|
| Procyonidae |
Ringtail |
Bassariscus astutus |
southern edge |
variety, dense riparian, mountain evergreen forests oak lowlands |
|
X |
858 |
327 |
|
| |
Raccoon |
Procyon lotor |
statewide except nw corner |
anywhere with water |
|
X,S |
140; 709 |
119 |
|
| Mustelidae |
American Marten |
Martes americana |
mtns of south central, western, and northern parts |
mature spruce-fir forests |
|
|
|
289 |
|
| |
Fisher |
Martes pennanti |
nw corner |
coniferous forests |
|
|
|
|
|
| |
Ermine (Short-tailed Weasel) |
Mustela erminea |
statewide |
coniferous forests |
|
X,P |
1051; 588 |
195 |
|
| |
Long-tailed Weasel |
Mustela frenata |
statewide |
open fields, desert shrubs, grasslands |
|
|
|
|
|
| |
Least Weasel |
Mustela nivalis |
north central edge |
1280-1580m, sagebrush and grass divided by riparian habitats |
|
X,Y |
1214; 440 |
454 |
|
| |
Black-footed Ferret |
Mustela nigripes |
single location Big Horn Basin |
associated with prairie dog colonies |
|
X |
128 |
126 |
|
| |
Mink |
Mustela vison |
statewide |
near open water |
|
X |
1129 |
|
|
| |
Wolverine |
Gulo gulo |
nw edge |
mountain ranges |
|
C,S |
442; 807 |
499 |
|
| |
Badger |
Taxidea taxus |
statewide |
grassland and sagebrush |
|
C,A,H |
701; 702; 703 |
26 |
|
| |
Western Spotted Skunk |
Spilogale gracilis |
western 1/2 |
dry grass and shrublands |
|
|
|
|
|
| |
Eastern Spotted Skunk |
Spilogale putorius |
eastern 1/3 |
near streams and rivers |
|
|
|
|
|
| |
Striped Skunk |
Mephitis mephitis |
statewide |
mixed woodlands, open fields, rocky outcrops |
|
X |
|
|
|
| |
Northern River Otter |
Lutra canadensis |
northern parts |
most river drainages |
|
AC, G |
802;859 |
|
|
| Felidae |
Mountain Lion |
Felis concolor |
statewide |
dense cover, rocky terrain |
|
|
|
200 |
|
| |
Lynx |
Lynx lynx |
nw corner |
dense coniferous forests, rocky outcrops |
|
X |
1046 |
269 |
|
| |
Bobcat |
Lynx rufus |
statewide |
brushy country, rocky areas |
|
X |
819 |
|
|
| ARTIODACTYLA |
|
|
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|
| Cervidae |
Elk (Wapiti) |
Cervus elaphus |
statewide |
deserts, timbered areas shrubland high mountain meadows |
|
M,G,F,Y,FM,M |
186,863; 190;191, 864, 1077;318; 809; 189, 863 |
|
|
| |
Mule Deer |
Odocoileus hemionus |
statewide |
variety, deserts riparian areas forests tundra |
|
M,Y,F |
187; 475; 476 |
219 |
|
| |
White-tailed Deer |
Odocoileus virgianus |
statewide |
dense deciduous riparian communities |
|
F,A,M |
185; 186; 803, 1279 |
388 |
|
| |
Moose |
Alces alces |
nw 1/2 |
high spruce-fir zone to willow and riparian communities |
|
M,CM |
192; 618 |
154 |
|
| |
Pronghorn |
Antilocarpa americana |
statewide |
open plains, shrub grasslands mountain basins |
|
M,F,B |
166, 717; 718; 823 |
90 |
|
| Bovidae |
Bison (American Buffalo) |
Bison bison |
nw corner |
grasslands and meadow communities |
|
X, M,CM,Y,H,W |
720, 1273; 167; 304; 305; 306; 719; 1224 |
266 |
|
| |
Mountain Goat |
Oreamnos americanus |
Absaroka and Teton mtns (not native) |
high rocky mountains |
|
X, W,C |
1274; 170, 171 |
63 |
|
| |
Mountain Sheep (Bighorn Sheep) |
Ovis canadensis |
mtns nw part |
high mountain terrain, sagebrush country |
|
G,CM,FM |
168, 169; 307, 941 |
230 |
|
| Information from: |
|
1) Mammals in Wyoming, Clark, T.W. and M.R. Stromberg, 1987, University of Kansas Museum of Natural History |
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| Status Abbreviations: |
|
Ab = Abundant |
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U = Unusual |
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C=Common |
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R = Rare |
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FC = Fairly Common |
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Und = Undetermined |
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Irr = Irregular |
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| **Letters & no.s describe the slide available: |
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A = anatomical specialization |
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H = habitat or sign of animal's activity |
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B = specialized behaviour |
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S = Skull |
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C = close-up of head region |
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Y = young |
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F = female, when sexes differ |
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G = group |
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FM = female(s) & male(s) shown when differences obvious |
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(no letter) = standard portrait |
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| HABITAT: |
|
1 Grassland |
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5 Montane Forest |
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2 Semidesert Shrubland |
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6 Subalpine Forest |
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3 Pinon-Juniper Woodland |
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7 Alpine Tundra |
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4 Montane Shrubland |
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8 Riparian Systems |
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