How do we know pterosaurs could really fly?

A pterosaur fossil under UV light showing the wing membranes

Isn’t it obvious, you may well ask. But not necessarily. Maybe pterosaurian “wings” enabled sustained gliding rather than true powered flight. Maybe the “wings” were really swimming paddles! In a  fascinating post in the Lost Worlds blog (hosted by The Guardian) by Dr. David Hone (associate researcher at the University of Bristol specialising in dinosaurs and pterosaurs), we are treated to a clear explanation of why we believe it is very likely that pterosaurs could fly.

 Could pterosaurs really fly? | Dr Dave Hone | Science | guardian.co.uk.

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