Man-made guzzlers are often the only sources of water for bighorn sheep and other endangered animals in Southern California deserts. Now, the unprecedented drought across the West is putting them at risk.
The decline of ice in Glacier National Park is revealing once unavailable salt licks. Now mountain goats and bighorn sheep are fighting over them, a new study shows.
At a time when so many species are suffering loss of population due to human encroachment and global warming, people have become concerned about the well-being of bighorn populations.
