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The New Threat to Wolves in and Around Yellowstone

Bassel Nasr

Wolves that wander outside park borders face new risks. Researchers explain what is changing.

A grey wolf in a snowy pine forest

Inside the park, wolves are protected. Step outside its invisible borders and the rules change.

Researchers tracking collared wolves say more animals are being lost just beyond the park, which disrupts pack structure and long-running studies.

Conservation groups are calling for buffer zones to protect the animals that visitors travel so far to see.