Snow cover in the Sierra Nevada is expected to shrink overall as the climate warms, but avalanche frequency could remain the same or even increase at high elevations. That's bad news for bighorn sheep ...

Add Yahoo as a preferred source to see more of our stories on Google. Sierra Nevada bighorn sheep stand among grass and boulders in California. The wild sheep are one of the rarest large mammals in ...

It’s no surprise that a state as unique and fascinating as Nevada chose an equally exceptional animal as its symbol. Nevada, known for its unusual mix of rugged outdoor landscapes and one of America’s ...

Even as snow becomes less consistent in the Sierra Nevada mountain range, climate change could be making deadly avalanches more common, threatening the recovery of bighorn sheep there.

Sierra Nevada bighorn sheep stand among grass and boulders in California. The wild sheep are one of the rarest large mammals in North America. (California Department of Fish and Wildlife) In a move ...

Nevada designated the desert bighorn sheep as its state animal in 1973, citing its toughness and ability to survive extreme desert conditions. After dropping to about 2,000 animals in the 1960s, ...