What puzzled researchers was not just the scale of the killings but the condition of many of the bodies as several penguins ...

While pumas have killed thousands of Magellanic penguins in Patagonia, predator pressure alone is unlikely to drive the ...

Pumas are back in Patagonia, penguins are paying a price—but climate-driven breeding failures may be the real extinction risk ...

Some Argentinian penguins are experiencing high levels of predation from pumas recolonising their historical territory. A new study has quantified the ...

From frozen mountain ranges to swamps, deserts, forests, and open coastlines, the United States is home to an extraordinary ...

Researchers installed cameras in the US national park to monitor cougar density and abundance – and to see how these apex ...