They first appeared in the fossil record around 66 million years ago, soon after the #Cretaceous–Paleogene #extinction event that eliminated about three-quarters of plant and animal species on Earth, including most #dinosaurs
Narrated by BuzWeaver:
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Music is 'Atmospheric' from AudioBlocks and 'Orange' from the YT Audio Library
Licensed under a creative commons:
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All the latest from 'The Lost History Channel:
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