TUCSON, Ariz.— In response to nearly two decades of action by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today finalized critical habitat protection for the northern ...

A light-colored crescent extends behind the corners of the mouth. HABITAT: In general, Mexican garter snakes are found in Southwest riparian areas with permanent water, in desert-grassland cienegas, ...

Two New Mexico river snake species ... reductions in habitat land set aside by the federal government for both species’ recoveries. The narrow-headed garter snake and northern Mexican garter ...