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

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

A gray wolf has been found dead in Colorado's Rocky Mountain National Park, prompting an investigation into the death of this ...

The Sierra County Sheriff's Office is urging the California Department of Fish and Wildlife (CDFW) to take action following a ...

Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming. Colorado Parks and Wildlife expects these types of movements into other states ...

A gray wolf who was part of a group of wolves brought to Colorado earlier this year has died. That's according to officials from Colorado Parks and Wildlife, who announced on Friday that the male ...

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