Add Yahoo as a preferred source to see more of our stories on Google. Gray wolves have a thick double-layered coat for insulation though the specific colors and patterns can vary based on geographic ...

California’s expanding gray wolf numbers — a conservation success for an endangered species — have worried ranchers in recent years as wolf-related livestock kills mount. Some ranchers are adapting to ...

After nearly a century’s absence, gray wolves continue to recolonize California, bringing changes and challenges to the state and its inhabitants. Ongoing research and monitoring programs are helping ...

In an effort to reduce conflicts between California’s growing gray wolf population and rural residents, particularly ranchers, who say the animals are killing their livestock, state wildlife officials ...