Scientists are only now starting to recognise the astonishing size reached by pterosaurs, the flying reptiles that lived at the time of the dinosaurs.
New discoveries in the Americas suggest some had wingspans of 18m (60ft).
But there was nothing ugly about the way they moved through the air, according to expert Dr David Martill, of the University of Portsmouth.
Their ability to utilise air currents, thermals and ground effects would astonish aeroplane designers, he said.
Permalink | September 12th, 2005