We don't know how pterosaurs evolved powered flight. The most primitive, probable, ancestor of pterosaurs had a bodyplan closer to that of a kangaroo. And the earliest pterosaurs like Preondactylus or Eudimorphodon were already fully capable of flight.

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[–] 3 points 1 week ago

I have a couple of fossils round the house and it's so incredible to behold a creature that lived millions of years ago.

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