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NPS photo Bear Paw and Big Hole National Battlefield, both Montana park sites within Nez Perce National Historical Park, were once the home of large herds of bison (Bos bison), which the Nez Perce traveled to hunt. One nımí·pu· (Nez Perce) name for the Big Hole Valley was “place of the buffalo calf.” Pronghorn antelope (Antilocapra americana) are now the most common large mammal, but mule deer and white-tail deer (Odocoileus hemionus; Odocoileus virginianus) may be found along stream channels where brush cover is available. Whitetail jackrabbits (Lepus townsendii), desert cottontail (Sylvilagus audubonii), ground squirrels (Spermophilus lateralis), coyotes (Canis latrans), and badgers (Taxidea taxus) are common. Another name for the Big Hole Valley was “place of the ground squirrels.” To this day, visitors walking along the trail to the encampment area often see numerous ground squirrel holes and piles of discarded burrow soil. Other mammals found in this conifer/alpine meadow ecoregion are gray wolf (Canis lupus), elk (Cervus elaphus), moose (Alces alces), black bear (Ursus americanus), mountain lion (Puma concolor), beaver (Castor canadensis), and porcupine (Erethizon dorsatum). Some small mammals include flying squirrel (Flaucomys sabrinus), marten (Martes Americana), and woodrats (Neotoma cinerea).
NPS photo Mammals in the Big Hole Valley
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Last updated: April 9, 2026