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[–] derram ago 

https://archive.fo/eH2w8 :

This 'enigmatic' feathered dinosaur didn't fly like modern birds - CNN

"And as we know from looking at modern birds like penguins and ostriches, just because they have wings doesn't mean they can fly."

'The variation within modern flying birds is much larger than the differences between Archaeopteryx and the short-flying birds in our data set," Voeten said. ', "So what would active flight look like, if it's not the up and down flapping of modern birds?"

'"It was surprising to see that the wing bone geometry of Archaeopteryx looks remarkably more like those of modern birds than expected. '

'The bones themselves were hollow, a trait exclusively shared with flying birds and pterosaurs, which suggested that Archaeopteryx could fly. '


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