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| The Sagebrush Sea is inhabited by a diverse array of mammals, including several favored big game species and sparse populations of rare squirrels, bats and rabbits. | ||||
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Pronghorn. A strictly North American mammal whose fossils date back to the Middle Miocene. Reputedly the fastest animal in the Western Hemisphere, pronghorn are distinguished by their two distinctive slightly curved horns with a single prong—both males and females have horns—and by their large white rump patch and two broad white bands across the throat. Millions of pronghorn once ranged throughout the Sagebrush Sea. By 1915, excessive hunting, habitat destruction and competition with domestic livestock reduced pronghorn numbers to an estimated 10,000 to 15,000. Hunting restrictions and implementation of conservation measures have allowed the pronghorn population to increase to about one million. | |||
| Merriam's shrew Spotted bat Pallid bat Big freetail bat Kit fox Little pocket mouse Great Basin pocket mouse Walker Pass pocket mouse Dark kangaroo mouse Pale kangaroo mouse Great Basin kangaroo rat Desert woodrat Bushytail woodrat Mountain vole Sagebrush vole Pygmy rabbit † Common pika Water shrew Vagrant shew Townsend's pocket gopher Northern pocket gopher Western harvest mouse Western jumping mouse Little brown myotis (bat) Big brown bat Hoary bat Spotted bat Fringed myotis Long-eared myotis Yuma myotis Long-legged myotis Western pipistrel Small-footed myotis California myotis Silver-haired bat Townsend's big-eared bat Ord's kangaroo rat Deer mouse Northern grasshopper mouse House mouse |
Canyon mouse Piñon mouse Wolverine Least chipmunk Yellow pine chipmunk White-tailed antelope squirrel Long-tailed vole Texas antelope squirrel Washington ground squirrel ‡ Townsend's ground squirrel Porcupine Black-tailed jackrabbit White-tailed jackrabbit Mountain cottontail Muskrat Raccoon Beaver Badger Striped skunk Spotted skunk Yellow-bellied marmot Bobcat Mountain lion Coyote California bighorn sheep † Rocky Mountain bighorn sheep Pronghorn Mule deer/black-tailed deer Rocky Mountain elk White-tailed deer Red fox Ermine Mink River otter Long-tailed weasel Uinta ground squirrel Richardson's ground squirrel Belding's ground squirrel Golden-mantled squirrel |
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| † Species, subspecies, or subpopulation listed as threatened or endangered under the Endangered Species Act. | ||||
| ‡ Species, subspecies, or subpopulation is a candidate for the federal threatened and endangered species list. | ||||
