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

As Colorado’s gray wolf population increases with four new groups of pups, the reintroduced animals continue to stick to ...

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

The causes of death for two grey wolves involved in the reintroduction effort have been confirmed by wildlife officials. The U.S.

At least one of Colorado’s collared wolves moved deeper into the northwest corner of the state in July, a new map released Wednesday by state wildlife officials shows.

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

The U.S. Fish and Wildlife Service (USFWS) has confirmed that the investigations into the cause of death for gray wolves 2514 ...