The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...

PHOENIX – A reward of more than $100,000 is being offered for information that leads to a prosecution for the possible killing of a protected wolf in Arizona, wildlife officials said. A female ...

A five-year evaluation of the binational Mexican gray wolf recovery program reveals a stark contrast between the recovery programs in the United States and Mexico. Federal officials lauded the U.S ...

A beloved Mexican gray wolf, who was known among conservationists as a symbol of hope for the endangered species, was found dead under mysterious circumstances in Arizona. Several agencies have ...

A Mexican Gray Wolf roams about its enclosure in the San Francisco Zoo on July 15, 2018. (Photo by Michael Fraley, CC BY 2.0, via Flickr) (CN) — The U.S. Forest Service acted lawfully when it ...