For millennia humans have tried to scare wolves away from their livestock. Most of them didn't have drones. But a team of biologists working near the California-Oregon border do, and they're using ...

Researchers are preventing marauding gray wolves from mauling herds of cattle out West — by blasting tunes by Aussie rockers AC/DC from drones. US Department of Agriculture biologists are finding that ...

Once hunted nearly to extinction, grey wolves have made a comeback in the US, but their growing population has meant ranchers have had to resort to new ways to protect their livestock from attack by ...