The latest confirmed death means at least five of the 15 wolves relocated from Canada in January have now died.

Wildlife officials now are monitoring four potential wolf dens and said Monday that it was “likely there are an unknown ...

Colorado wolves' territory now nears three of the state's four borders as the apex predators continue to expand their ...

It’s been a week of bad news for supporters of Colorado’s voter-mandated efforts to reintroduce gray wolves. Colorado Parks ...

Five of 15 wolves captured in British Columbia and released in Colorado in January have died in less than six months.

Another of Colorado’s reintroduced wolves has died in the northwest corner of the state. Colorado Parks and Wildlife ...

In the 18 months since Colorado Parks and Wildlife began the voter-mandated reintroduction of gray wolves, seven of the 25 ...

A gray wolf was found dead in northwest Colorado over Memorial Day weekend, according to Colorado Parks and Wildlife ...

Colorado’s Copper Creek wolf pack was captured and put in captivity last year for killing livestock. After being released, ...

Another gray wolf that was brought to Colorado as part of the state's reintroduction program has died, officials said on ...

The cause of death will follow a necropsy by the U.S. Fish and Wildlife Service. The male was originally from British ...