These animals spend most of their time eating hay and twigs and sleeping on rocks. The adults have big curving horns on their heads. The female has small, curving horns, which are a creamy brownish white. Some of the bighorns are taller than a normal size deer. Although their range extends south to Mexico, most make their homes in the Rocky Mountains of Alberta and British Columbia.
Bighorns prefer to live in the wilderness areas because they are well away from people.
They are found in the tundra, coniferous forest, and desert biomes. The bighorn's adapts to life in cold conditions with its thick, furry, wool coat. In the desert, the bighorn's color changes for camouflage. The hoof is divided into two parts. When the sheep walk or jump, the two halves of the hoof spread apart when standing on uneven surfaces.