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Prehistoric bird Vegavis iaai, illustration
Illustration of Vegavis iaai, a prehistoric bird. It lived in Antarctica during the Late Cretaceous Period approximately 66 million years ago. The extinct bird belongs to the Vegaviidae family, a group distantly related to modern ducks and geese. It is believed to be the earliest known bird in the Mesozoic era to have a vocal organ or syrinx. Scientists discovered this organ in a fossilized Vegavis iaai bird, providing physical evidence that birds similar to some modern species coexisted with dinosaurs., by NICOLLE R. FULLER/SCIENCE PHOTO LIBRARY
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