The wolves arrived in May of last year, just days after Paul Roen had driven his cattle back up to their summer pasture in Northern California’s Sierra Valley. He started finding the bleeding bodies ...

In California, as wolf numbers grow — a remarkable return after a century — livestock producers are increasingly worried as these predators occasionally take down cattle. Gray wolves are an endangered ...

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 ...