A collared gray wolf released in Colorado in January as part of the state’s historic reintroduction effort died in Rocky Mountain National Park this week, wildlife officials said Thursday.

A gray wolf from British Columbia released in January was reported dead April 20 in Rocky Mountain National Park, state wildlife biologists said Thursday night. The U.S. Fish and Wildlife Service ...

CLIFTON, AZ (AZFamily) — Federal agents admit they mistakenly killed an endangered wolf in eastern Arizona, which might have been pregnant after an order was given to kill a different wolf.

Colorado Parks and Wildlife said the death of a female gray wolf last weekend in Rocky Mountain National Park is currently under investigation. Officials said biologists received a mortality alert ...

The map shows a line of wolf activity starting near Utah and moving east through Montrose, Delta, Ouray, Gunnison and Chaffee counties. Related Articles Reintroduced Colorado gray wolf dies in ...

Colorado Parks and Wildlife biologists confirmed that the death of a female gray wolf occurred in Rocky Mountain National Park on Sunday, April 20. The U.S Fish and Wildlife Service is investigating ...

A federal agency mistakenly killed an endangered and possibly pregnant Mexican gray wolf in Arizona. According to the U.S. Fish and Wildlife Service, an unknown federal agency killed a 7-year-old ...