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Wait, pterosaurs aren't bipedal?
(I think i'm about to learn something)
Nope! Based on biomechanical modeling *and* footprint fossils, we know they were quadrupedal! They were also plantigrade, unlike dinosaurs (incl birds)! Yet another way dinosaurs are waaaaaay more birdie than pterosaurs.
Azhdarchid Trace Fossil
Azhdarchids, by Mark Witton, CC BY-SA 4.0
