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How free-roaming bison in Yellowstone National Park are reshaping the ecosystem

WBUR

Published September 11, 2025 at 5:49 AM HST

A new study finds free-roaming bison in Yellowstone National Park are reshaping the ecosystem. It’s not always for the better.

NPR’s Nate Rott reports.

This article was originally published on WBUR.org.