A collared gray wolf released in Colorado in January as part of the state’s historic reintroduction effort died in Rocky ...

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 ...

A conservation effort to reintroduce gray wolves to Colorado has suffered another heartbreaking setback. Colorado Parks and ...

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