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.

Colorado Parks and Wildlife biologists confirmed that the death of a female gray wolf occurred in Rocky Mountain National ... from British Columbia during the state’s reintroduction.

A third reintroduced gray wolf from British Columbia has been found dead, this time in Rocky Mountain ... state's recovery plan died in Wyoming. Male wolf 2513 was discovered dead April 9, but ...

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 ...