![]() ![]() Numerous individual mountain ranges no longer support bighorn populations and major Interstate highways have cut off once-connected mountain ranges.ĭefenders is urging the United States Air Force to back away from its heavy-handed attempt to usurp most of the Desert National Wildlife Refuge in Nevada and to pursue a more collaborative approach that fairly balances wildlife conservation, cultural resource protection and military training on these public lands. ![]() ![]() Overhunting, competition with domestic livestock for forage, loss of water sources from human diversion or livestock use, mining operations, vehicle collisions on highways, military bombing on training ranges and the spread of several diseases introduced by domestic livestock have devastated bighorn sheep populations throughout the West. Virtually all mountain ranges in the Southwest, as well as the Sierra Nevada and Rocky Mountain Ranges, once supported large bighorn sheep populations – including most if not all mountain ranges forming what is referred to as a “meta-population” within the California Desert. Legendary for their ability to climb high, steep, rocky mountain areas, various bighorn subspecies and a distinct population (i.e., Peninsular) occur in the western United States. ![]() Bighorn sheep get their name from the large, curved horns on the males, or rams with female sheep sporting shorter, less curved horns. ![]()
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