Pumas came back to Patagonia-and met penguins. What happened next surprised scientists.

December 17, 2025

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1 min read

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Yahoo

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.

For decades, pumas preyed on sheep from ranches along Argentina’s coast, and ranchers hunted them—heavily.Pumas disappeared from the landscape. Then, in 2004, conservationists established Monte León National Park in the region. As expected, once the ... [6333 chars]

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