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Ranchers test virtual fence technology's ability to keep cows safe from grizzly bears

NPR

By Hanna Merzbach

Published December 26, 2025 at 5:36 PM EST

Technology enabling virtual fences for pets is now being adapted for livestock. Ranchers near Yellowstone National Park are testing its ability to keep cows safe from grizzly bear attacks.

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Hanna Merzbach

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