Add Yahoo as a preferred source to see more of our stories on Google. Pumas are now preying on Patagonia’s coastal penguin colonies at high rates, raising new conservation concerns. Rising puma ...

Large seabird colonies have a surrounding boundary known as Ashmole's halo, where food sources are depleted, forcing the ...

Defenceless penguins are being killed en masse as puma populations recover in Monte Leon National Park in Argentina’s ruthlessly wild Patagonia. After cattle ranching was abandoned in the country’s ...

Lead author Melisa Lera, a postgraduate student at WildCRU, Oxford University said, "The number of carcasses showing signs of predation we found in the colony is overwhelming, and the fact that they ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Vianna noted that many other non-Antarctic penguins are expected to suffer from habitat loss because of climate change and the increasing impacts of warming oceans, habitat destruction, predation by ...

South Africa is home to 88% of the world’s colonies of African penguins (Spheniscus demersus). The species is classified as Critically Endangered by the International Union for Conservation of Nature.

Emperor penguins have braved cold, storms, starvation and predation to breed, ensuring their population survives. But climate change might defeat the iconic Antarctic birds. It’s the breakup and loss ...

Along South America's windswept southern coast, Magellanic penguins have spent decades nesting in relative safety. For much of the twentieth century, sheep ranching dominated the region, and pumas ...