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

DENVER (AP) — A federal agency killed a collared wolf that appears to have crossed from Colorado into Wyoming and killed several sheep, government officials said Thursday. The wolf was part of a ...

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

The wolf was one of 15 relocated from Canada to Colorado in January and is the second of that group to die recently in ...

A Wyoming law that protects the identities of wolf hunters seems to be behind an information blackout about the second ...

By Shannon Lukens. File photo of a British Columbia wolf courtesy CPW.   Another gray wolf, brought to Colorado from Canada, ...

A gray wolf that was brought to Colorado from British Columbia has been shot in Wyoming, marking the second killing of a translocated candid that traveled outside of state borders.

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

The accidental killing of a Mexican gray wolf in Greenlee County has advocacy groups calling for transparency and ...

A government hunter mistakenly killed a Mexican gray wolf that was expected to give birth to pups soon, according to federal ...

Environmental groups are calling on the U.S. government to release details of the accidental killing of a pregnant Mexican ...