Monster bird fossils unearthed in Antarctica

Monster bird fossils unearthed in Antarctica

Not long after the dinosaurs went extinct, a new breed of giants rose: Monster birds with wingspans that stretched up to 21 feet (6.4 meters) long, about the length of a U-Haul truck. 

These enormous birds darkened the skies above Antarctica as early as 50 million years ago, a new examination of fossils from the continent finds. The new research reveals that very large species of these birds, called pelagornithids, arose less than 15 million years after an asteroid wiped out the non-avian dinosaurs.

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