A number of bighorn sheep rams in the foothills of Wyoming's Bighorn Mountains exhibit a rare genetic mutation where one horn ...

Bighorn sheep are an integral component of mountain ecosystems, yet their populations are under continual threat from a range of infectious agents. Among these, Mycoplasma ovipneumoniae has emerged as ...

Bighorn sheep have become a rarity in Texas, but a group of wildlife biologists are on a mission to rescue the species. About 50% of the state's bighorn sheep population was decimated in the last five ...

Starting in early October, Big Bend National Park will start project actions to protect native desert bighorn sheep by ...

Aoudad sheep are invasive in the West Texas region and affect the native desert bighorn sheep and the park's ecology ...

MISSOULA, Mont. — Montana Fish, Wildlife and Parks is encouraging people to participate in the public comment process for several proposals including the Statewide Comprehensive Outdoor Recreation ...

RIVERTON — Four decades ago, Fremont County was home to the largest herd of Rocky Mountain bighorn sheep in the lower 48 states — an estimated 2,500 animals. By the early 1990s, disease — particularly ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Talk about a short hunting season: Two days after the backcountry bighorn sheep season opened ...