Why Pumas Slaughtered Thousands of Penguins in Argentine Patagonia

Learn what scientists discovered about this penguin massacre and why humans likely played an unwitting role.

By Paul Smaglik
Feb 19, 2025 7:30 PMFeb 19, 2025 7:32 PM
Magellanic penguins
(Credit: hecke61/Shutterstock)

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It was a slaughter. By 2007, a family of pumas likely killed thousands of Magellanic penguins (MP), over the course of several nesting seasons along the wild coastline of Argentine Patagonia.

A group of scientists scoured the Monte León National Park crime scene, collected information, and have now presented some theories about the root causes of this seabird mass murder. They have also named some unwitting co-conspirators behind the killings: humans, according to an article in the Journal for Nature Conservation.

A Significant Penguin Population

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