Reintroducing keystone predator species can have a near-miraculous restorative effect on ecosystems. This is what I would remind a Patagonian penguin who is feeling a bit down about his whole family ...

The critically endangered African penguin has several predators to fear, including gulls, seals and sharks at sea, and leopards, caracals, domestic dogs and mongoose on land. A recent study has now ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

In Argentina, the return of pumas brought top predators back to the landscape — much to penguins’ dismay. By Alexa Robles-Gil Penguins throughout the southern seas have to worry about being picked off ...

As puma populations increased, they began preying on an unexpected species. Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of ...

Roughly a century ago, European sheep herders began settling Argentina’s Patagonia region and killed off as many potential predators as possible to protect their flocks. Pumas, also known as mountain ...