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Today, we’re familiar with two types of flying vertebrates — birds and bats. But over 66 million years ago, there was a giraffe-sized reptile that soared through the sky. Try CuriosityStream today: http://curiositystream.com/eons

Thanks to Fabrizio De Rossi, Julio Lacerda, and Studio 252mya for their illustrations. You can find more of their work here: https://252mya.com/licensing

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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