Visitors squeezed into a small examination room at the Southwest Wildlife Conservation Center in Scottsdale as Cruz, a 7-year-old Mexican gray wolf, underwent his annual health checkup.

In the latest map from Colorado Parks and Wildlife -- which shows activity between June 24 and July 22 -- the wolves were ...

Colorado Parks and Wildlife announced that there are three new gray wolf packs as part of the state’s plan to rebuild ...

Colorado Parks and Wildlife biologists have determined that a gray wolf found dead in Rocky Mountain National Park in April ...

LIFESTYLE Rare gray wolf killed during hunt in Michigan, officials launch investigation The gray wolf weighed 84 pounds, and the Michigan hunter reportedly confused the kill with a coyote ...

The U.S. Fish and Wildlife Service has identified how two of Colorado's reintroduced gray wolves died earlier this year.

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves recently featured prominently in the HBO series Game of Thrones.

One from an apparent mountain lion attack, and the other from injuries sustained from traps designed to protect livestock ...

ALBUQUERQUE, N.M. — Thirty-five conservation organizations today asked the U.S. Fish and Wildlife Service not to recapture a ...

A gray wolf known as OR-103 arrived in Siskiyou County in early May. He's the second known wolf to cross into California this year.

The gray wolf, or Canis lupis, once roamed freely throughout much of the U.S. but was extirpated from most of the lower 48 states by the 20th century, according to the U.S. Fish and Wildlife Service.