Mountain lions are adapting to their defenseless, predictable prey, which return to Patagonia seasonally to nest and breed, ...

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

Recently I visited El Impenetrable National Park in Northeast Argentina, a 500-square-mile expanse of rugged dry forest that's roughly the size of Los Angeles, Calif. El Impenetrable is part of the ...

Conservationists released a family of “Argentina’s top aquatic predator” for the first time since the species went considered locally extinct. Photo from Fundación Rewilding Argentina In a wetland of ...

Rolex’s Perpetual Planet Initiative supports individuals and organizations developing solutions to today’s environmental challenges. In the 1990s, Kristine Tompkins and her late husband, Doug, left ...

Jaguars have been born in an Argentine wetland 70 years after they went extinct from the area. The jaguars were born in Ibera Park in humid, verdant northeastern Argentina following a successful ...