On southern Arizona’s Cabeza Prieta National Wildlife Refuge, their words would resolve a decade-old dilemma. In 1939, Cabeza Prieta was established, in part to help recover desert bighorn sheep ...

About 93%, more than 800,000 acres, of Cabeza Prieta National Wildlife Refuge is a designated wilderness area under the 1990 Arizona Desert Wilderness Act.

With seven rugged mountain ranges, valleys and saguaros, the 860,000-acre Cabeza Prieta National Wildlife Refuge has become home to the only wild Sonoran pronghorn in the U.S.

CABEZA PRIETA NATIONAL WILDLIFE REFUGE, Ariz. -- Five years after drought whittled the population of North America's fastest mammal to a handful, pushing it to the brink of extinction, the number ...

A water bottle left behind by migrants traveling through the Cabeza Prieta National Wildlife Refuge in southern Arizona. (Mark Boster / Los Angeles Times ...

Barriers will go up at Organ Pipe Cactus National Monument, a vast park named after the unique cactus breed that decorates it, and Cabeza Prieta National Wildlife Refuge, which is largely a ...

Five other No More Deaths volunteers face charges for “efforts to place life-saving food and water” inside the Cabeza Prieta National Wildlife Refuge, the aid group said.

Barriers will go up at Organ Pipe Cactus National Monument, a vast park named after the unique cactus breed that decorates it, and Cabeza Prieta National Wildlife Refuge, which is largely a ...