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

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

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 ...

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

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

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

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

A tiny chick barely peeks out of the pouch between its parent's legs. "As soon as we started filming, we started to see things that had never been filmed before," wildlife cinematographer and National ...

These playful birds with different personalities cleverly steal stones from others' nests, carefully assessing a situation ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Although a single penguin is capable of devouring thousands of krill ...

Many animals engage in elaborate mating rituals. For flight-ready birds, these often involve complex dance moves and peacock-like displays of grandeur. For their land-bound cousins, like the Adélie ...