In 1976, the Mexican gray wolf was declared an endangered species by the U.S. Fish and Wildlife Service. Once driven to the ...

Using innovative conservation techniques, scientists are restoring populations of the endangered Mexican wolf to the wild.

A government hunter mistakenly killed a Mexican gray wolf that was expected to give birth to pups soon, according to federal records associated with the April 14 incident.

The accidental killing of a Mexican gray wolf in Greenlee County has advocacy groups calling for transparency and ...