Odocoileus hemionus californicus, is a subspecies of Mule Deer whose range covers much of the state of California. This species is widespread throughout northern and central California in the California coastal prairie as well as inner coastal ranges and interior mountains, especially the Sierra Nevada. This deer will much less frequently be found on the floor of the interior valleys, and then it will mostly frequent riparian zones. Generally this species has a preference for hill terrain, especially an oak woodland habitat.