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

By Hanna Merzbach
Published December 26, 2025 at 3:36 PM MST

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.

Copyright 2025 NPR
Hanna Merzbach