Animals in the Trout Creek Mountains are adapted to the environment of the High Desert . Pronghorn are common in the open , sagebrush @-@ covered basins , while mule deer live in the cottonwood and willow groves . It are also bighorn sheep , cougars , and bobcats in the high country . Jackrabbits and coyotes are prevalent throughout the range . Mustangs sometimes pass through the mountains as they roam the Great Basin . Some other mammals include the northern pocket gopher , mountain cottontail , and Belding 's ground squirrel . North American beavers live in and along streams , as do Pacific tree frogs , western spadefoot toads , and garter snakes . Native bird species include the sage grouse , mountain chickadee , gray @-@ headed junco , black @-@ throated gray warbler , Virginia 's warbler , MacGillivray 's warbler , pine siskin , red crossbill , bushtit , hermit thrush , northern goshawk , and species of raven and eagle .