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Yellowstone Bison Made a Stunning Comeback. Now, After 120 Years of Conservation, The Bison Form a Single Breeding Population
Studies conducted in the last 20 years suggest that the bison population at Yellowstone National Park includes two separate ...
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Yellowstone bison now a single, thriving herd after 120 years of conservation
After more than a century of conservation efforts, researchers have discovered that the bison in Yellowstone National Park now form a single, large breeding population. This is a major shift from past ...