Bighorn sheep are disappearing in Texas. Wildlife biologists are stepping in.

Bighorn lambs spotted after rescue from disease threat that decimated Texas herds

Wildlife biologists have successfully rescued bighorn sheep in Texas, where about 50% of the population was lost to disease. After airlifting sheep from the last disease-free herd to a healthy mountain range, biologists recently found a growing herd, including newborn lambs, indicating a hopeful recovery for the species.