 Animals in the <unk> Creek Mountains are adapted to the environment of the High Desert . <unk> are common in the open , sagebrush @-@ covered basins , while mule deer live in the cottonwood and <unk> groves . There are also <unk> sheep , cougars , and <unk> in the high country . Jackrabbits and coyotes are prevalent throughout the range . Mustangs sometimes pass through the mountains as they <unk> the Great Basin . Some other mammals include the northern pocket <unk> , mountain <unk> , and <unk> 's ground <unk> . North American <unk> live in and along streams , as do Pacific tree frogs , western <unk> toads , and <unk> snakes . Native bird species include the sage grouse , mountain <unk> , gray @-@ headed <unk> , black @-@ throated gray <unk> , Virginia 's <unk> , <unk> 's <unk> , pine <unk> , red <unk> , <unk> , <unk> thrush , northern <unk> , and species of <unk> and eagle . 
