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

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 confirmed a female gray wolf was found dead in Rocky Mountain National Park last weekend.

In 1976, the Mexican gray wolf was declared an endangered species by the U.S. Fish and Wildlife Service. Once driven to the ...

Colorado Parks and Wildlife confirmed a female gray wolf died on April 20. According to wildlife officials, the death ...

While the Gray Wolf has been officially recovered in Michigan since 2009, the DNR says their return was decades in the making.