Penguins in the coastal steppes of Argentina have a new enemy to worry about: the increasing numbers of pumas in Monte León ...

The novel hunting behaviour was observed on the windswept shores of Monte León National Park in south-east Argentina.

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

Pumas in Patagonia, Argentina are eating penguins in a national park — and it's changing how the big cats are interacting ...

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of pumas have found a new main source of prey.

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

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