Sierra Nevada Bighorn Sheep are released in Yosemite National Park

Endangered Sierra Nevada Bighorn Sheep Released in Yosemite National Park

Known for their agility on rocky terrain and giant coiled horns, Sierra Nevada bighorn sheep have roamed western territories by the thousands before settlers arrived. Adult bighorn sheep, or rams, stand over three feet tall and can weigh up to 220 pounds; females, or ewes, weigh up to 155 pounds. …