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Ancient Ducks Honked and Quacked Just Like They Do Today

If you were walking around Antarctica toward the end of the Cretaceous 66 million years ago, you may have heard a very familiar sound: the riotous honking of ducks. That's the conclusion of an analysis of the oldest bird vocal organ ever discovered. Although it may predate modern birds by over 60 million years, it nevertheless bears striking similarities to the fleshy folds and cartilaginous rings that ducks use to communicate today.
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