Two New Mexico river snake species nearing extinction were the subject of a lawsuit filed by a conservation group challenging reductions in habitat land set aside by the federal government for ...

Arizona and New Mexico waterways now protected for the snakes under the Endangered Species Act include 46 miles of the Gila River, 71 miles of the San Francisco River, 52 miles of the Blue River, 20 ...

TUCSON, Ariz.— The U.S. Fish and Wildlife Service proposed today to protect 18,701 acres of critical habitat for narrow-headed garter snakes and 27,784 acres of critical habitat for the northern ...