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

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 ...

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

Penguins throughout the southern seas have to worry about being picked off by seals or hunted by orcas. On land, they can ...

Puma populations in Patagonia, Argentina, have rebounded after decades of conservation, reaching the highest density ever ...

A shorn sheep looks on inside a corral at the eighth National Sheep Shearing Contest in the southern city of Comodoro Rivadavia, Argentina, in this February 3, 2006 file photo. Animal rights activists ...

Breeders in Argentine Patagonia went wild on social media after heavy snowfalls completely covered their animals placing around 1 million of them in danger of starving to death as the region goes ...

SAN DIEGO (Reuters) - Animal rights activists released video on Thursday of farm workers in Argentina slashing lambs with knives, prompting outdoor clothing maker Patagonia Inc to apologize and launch ...

SAN DIEGO (Reuters) - Animal rights activists released video on Thursday of farm workers in Argentina slashing lambs with knives, prompting outdoor clothing maker Patagonia Inc to apologize and launch ...