North Tobacco Root Mountains and Foothills including whitetail and mule deer, elk, and black bears. The area is also habitat to a handful of Tier I species. Montana Fish Wildlife and Park's classification of native species with greatest need of conservation including the western toad, flammulated owl, bald eagle, Townsend's big-eared bat, grizzly bear, and Canada lynx, which are all threatened by habitat loss, degradation, and fragmentation, especially as a result of population growth/development.