The U.S. Department of Agriculture has been experimenting with nonlethal ways to keep wolves away from livestock in Oregon. AILSA CHANG, HOST: That's right. But they're not using fences or traps. What ...
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 ...
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