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

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

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of pumas have found a new main source of prey.

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 ...