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Wolves Revive Yellowstone's Ecosystem, Bison Now Threaten Balance

7/23/2025

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Summary

Story summary

In 1995, wolves returned to Yellowstone National Park, triggering a remarkable ecological transformation. The elk population plummeted, allowing aspen trees to flourish after 80 years of decline, revitalizing the ecosystem and enhancing biodiversity. Yet, the rising bison population now threatens this newfound aspen growth, presenting fresh challenges for the park's delicate balance.

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Story summary

In 1995, wolves returned to Yellowstone National Park, triggering a remarkable ecological transformation. The elk population plummeted, allowing aspen trees to flourish after 80 years of decline, revitalizing the ecosystem and enhancing biodiversity. Yet, the rising bison population now threatens this newfound aspen growth, presenting fresh challenges for the park's delicate balance.