In Yellowstone, Restored Bison Replenish Grasslands
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In Yellowstone, Restored Bison Replenish Grasslands

Bison have made a remarkable comeback in Yellowstone National Park, going from fewer than two dozen animals at the turn of the last century to roughly 5,000 today. Their return, a study finds, has had a remarkable impact on grasslands in the region. Source: In Yellowstone, Restored Bison Replenish Grasslands Nice.