More than 60 mammals live in Yellowstone, The map below shows the most likely places to see the big mammals and the checklist below the map gives more information. Remember what you see will vary with the weather, season, and behavior of the animals. You might see these and other animals in other places in the park, or you might not see any at all. Enjoy looking for and watching wildlife.

MAMMAL CHECKLIST

	Habitat	Population			Habitat	Population
Bears, Cats, Dogs, Raccoons, & Weasels				Pikas, Hares, Rabbits
Black Bear	forests, meadows	500–650		Snowshoe Hare	forests, willows	common
Grizzly Bear	forests, meadows	280–610		White-tailed Jackrabbit	sagebrush, grasslands	common
Coyote	forests, meadows, grasslands	common		Desert Cottontail	shrub lands	common
Gray Wolf	forests, meadows	>100		Mountain Cottontail	shrub lands	common
Fox	meadows	occasional		Pika	rocky slopes	common
Bobcat	forests, meadows	may be widespread		Shrews
Cougar	mountains, rocky areas	15–17		Dusky Shrew	moist meadows, forests	common
Lynx	subalpine forests	few		Masked Shrew	moist meadows, forests	common
Raccoon	rivers, cottonwoods	rare		Water Shrew	moist meadows, forests	common
Badger	sagebrush	common		Preble’s Shrew	moist meadows, forests	rare, if present
Fisher	forests	rare, if present		Dwarf Shrew	moist meadows, forests	rare
Marten	coniferous forests	common		Beaver, Squirrels, Gopher, Mice, Porcupine
Mink	riparian forests	occasional		Beaver	ponds, streams	500
River Otter	rivers, lakes, ponds	common		Least Chipmunk	forests	common
Striped Skunk	riparian to forest	rare		Uinta Chipmunk	forests	common
Long-tailed Weasel	willows to spruce/fir forests	common		Yellow Pine Chipmunk	forests	common
Short-tailed Weasel	willows to spruce/fir forests	common		Yellow-bellied Marmot	rocky slopes	common
Wolverine	alpine, coniferous forests	rare		Golden-mantled Ground Squirrel	forests, rocky slopes	common
Hoofed Mammals				Northern Flying Squirrel	forests	occasional
Elk (Wapiti)	meadows, forests	15,000–25,000		Red Squirrel	forests	common
Moose	riparian, forests	<500		Uinta Ground Squirrel	sagebrush, meadows	common
Mule Deer	forests, grasslands, shrub lands	2,300–2,500		Northern Pocket Gopher	sagebrush, meadows, forests	common
White-tailed Deer	forests, grasslands, shrub lands	occasional		Deer Mouse	grasslands	common
Bison	meadows, grasslands	>3,500		Western Jumping Mouse	riparian	occasional
Bighorn Sheep	cliffs, mountain slopes	250–275		Muskrat	streams, lakes, ponds	common
Mountain Goat	alpine meadows, rocky slopes	175–225		Heather Vole	sagebrush to forests	occasional
Pronghorn	sagebrush, grasslands	200–250		Long-tailed Vole	moist meadows	common
Bats				Meadow Vole	moist meadows	common
Big Brown Bat	roost in sheltered areas	common		Montane Vole	moist meadows	common
Fringe-tailed bat	roost in cliffs, large snags	uncommon		Red-backed Vole	dense forests	common
Hoary Bat	roost in trees	uncommon		Water Vole	riparian	occasional
Little Brown Bat	roost in caves, buildings, trees	common		Bushy-tailed Woodrat	rocky slopes	common
Long-eared Bat	roost in cliffs, buildings	uncommon		Porcupine	forests, sagebrush, willows	common
Long-legged Bat	roost in tree cavities, cliffs, buildings	common
Silver-haired bat	roost in trees, including snags	common
Western small-footed Bat	roost in rocky areas, caves	rare, if present
Townsend’s Big-eared Bat	roost in caves	uncommon
Yuma Bat	roost in caves, buildings, trees	rare, if present

The Mammal Checklist is also available in pdf format (560 kb pdf)