Muskoxen (Ovibos moschatus) and bighorn sheep (Ovis canadensis) are known for their dramatic head-to-head battles. But all that noggin-knocking has a cost, researchers from the Icahn School of ...

Missteps occurred too: A herd transplanted near Van Horn was nearly wiped out by mountain lions, and bighorn have taken a hit from pneumonia spread by a rival sheep, the hardy and bearded aoudad ...

Bighorn males, called rams ... rugged mountain terrain. Wild sheep live in social groups, but rams and ewes typically meet only to mate. Rams live in bachelor groups and females live in herds ...

MOAPA VALLEY — Valley of Fire State Park’s desert bighorn sheep are thirsty. Thirstier than they’ve been in a while. Though Las Vegas’ 214-day dry streak — the second-longest on record ...

Hinkley is now pursuing a Master of Science in Ecology at Western Colorado University, where he assists with a study of Colorado’s state mammal — bighorn sheep. Using motion-activated cameras, the ...

Coats shed in patches in June and July. HABITAT: Peninsular bighorn sheep prefer steep, open slopes, canyons, and washes in hot and dry desert regions where the land is rough, rocky, and sparsely ...

The desert bighorn is legendary. The ancestors of Native Americans drew pictures of this keystone creature centuries ago in the Coso Range of California to the west and nearby in Three Rivers, N.M.