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 ...

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 ...

This aquatic, secretive garter snake was historically found in all of Arizona’s major watersheds, in addition to the upper Gila and San Francisco headwater streams in southwestern New Mexico. Invasive ...