Guanaco herds frequently place a ‘sentinel’ on a vantage point to look out for danger while the remainder of the herd are ...

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of ...

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.

The cats’ new nutritional source in southern Argentina has led to increased concentration of the predators, who have also ...

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

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

Pumas in southern Patagonia have discovered an unexpected new food source in the dense colonies of Magellanic penguins, and ...

When ranchers drove out the pumas, colonies of penguins moved in. Now, the returning pumas have learned to eat these ...

Puma populations in Patagonia, Argentina, have rebounded after decades of conservation, reaching the highest density ever recorded, scientists say. With the big cats returning, Magellanic penguins ...