The wild populations of the species are declining due to drought, predators, disease from domestic sheep and goats and their inability to move among mountain ranges because of human development.
As the sheep mature, they develop spiraled horns that make up about a third of their total body weight. Females have much smaller horns.
The sheep have excellent vision and hearing as well as a remarkable ability to climb rugged terrain.
The sheep can be seen in the local San Gabriel Mountains, although the herd populations have been impacted by the recent Station Fire.