Penguins Once Had Awe On Their Side

Ancient Penguins Were Giant Waddling Predators

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An artist’s rendering compares Kumimanu biceae, an extinct giant penguin, to a human diver. Kumimanu stood 5 feet 7 inches and weighed 220 pounds. It is among the earliest known penguin species. Credit G. Mayr/Senckenberg Research Institute

The 57 million-year-old fossil is both fearsome and comical: a long-beaked penguin that stood 5 feet 7 inches tall and weighed about 220 pounds.

“It was as tall as a medium-sized man,” said Gerald Mayr, a paleontologist at the Senckenberg Research Institute in Frankfurt, Germany, and lead author of a report in Nature Communications on Tuesday announcing the discovery.

By comparison, the tallest living species, the emperor penguin, reaches about four feet in height. Kumimanu biceae, as the fossil was named, would have towered above the emperor, and above just about all other known ancient penguins. Continue reading