
13/08/2025
In 1995, wolves returned to Yellowstone National Park after nearly 70 years away, and the difference was remarkable. These apex predators proved their importance as a keystone species, triggering a trophic cascade that transformed the park. Elk began to graze more selectively, plants flourished, riverbanks stabilised and wildlife from songbirds to beavers benefited.
The success has inspired similar projects in Colorado and parts of Europe, showing how one species can help restore balance to an entire ecosystem. Challenges remain, including livestock concerns and the need for constant monitoring, but Yellowstone stands as a powerful example of nature’s ability to recover when given the chance.
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