Quetzalcoatlus northropi (IMAGE)
Caption
An artist’s rendition of Quetzalcoatlus northropi, a type of pterosaur and the largest flying animal that ever lived on Earth. Quetzalcoatlus stood about 12 feet tall and walked with a unique gait because of its enormous 20-foot wings, which touched the ground when folded.
Credit
Artwork courtesy of James Kuether
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License
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