Scientists say the population of endangered Sierra Nevada bighorn sheep appears to have stabilized after suffering devastating losses during the record-breaking winter of 2022-2023. Tom Stephenson ...

While bighorn sheep exist in other western mountain ranges, the Sierra Nevada subgroup is genetically distinct—the remaining 350 sheep are all that remain of the species.

Sierra Nevada bighorn sheep learn to leap from crag to crag in early lambhood, developing quickly into keen-eyed, strong-limbed and extremely agile creatures, always on the move to escape mountain ...

Absent intervention by state wildlife officials, the desert bighorn sheep, may see its herds thinned by starvation because of ...

Airlifting bighorn sheep back into the Sierra Nevada’s national parks. This March, a large helicopter thrummed over the 13,000-foot-high pinnacles of Yosemite National Park’s Cathedral Range with an ...

Absent intervention by state wildlife officials, Nevada’s state animal, the desert bighorn sheep, may see its herds thinned by starvation because of drought. “Over the course of the last month and a ...

YOSEMITE NATIONAL PARK. (AP) — For the first time in a century, endangered Sierra Nevada bighorn sheep are back on their ancestral range and headed toward recovery, wildlife officials said Monday.

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.

Desert Bighorn Sheep at Lake Mead National Recreation Area. (Photo: National Park Service) Absent intervention by state wildlife officials, Nevada’s state animal, the desert bighorn sheep, may see its ...