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

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

In a national park in Patagonia, something remarkable is happening between predators and prey: Pumas are returning—and ...

Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins ...

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

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

On Antarctic ice, movement itself becomes a survival test, especially for an animal that spends months walking far inland to ...

A new study finds Patagonia pumas eating penguins, staying near colonies, tolerating each other more, and reshaping how ...

A recent study published in Proceedings of the Royal Society B has documented an unprecedented ecological interaction in ...

The stuffed emperor penguins on display at the two Little America hotels in Wyoming started their journey from Antarctica ...

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

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