Bighorn sheep face death by avalanche in Sierra Nevada range

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 that live there, according to new research.

Bighorn sheep face death by avalanche in Sierra Nevada range
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 that live there, according to new research.