Research tracks how pterosaurs mastered the primeval skies

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PARIS - By the time they were wiped out alongside their dinosaur cousins, most winged pterosaurs had evolved from awkwardly airborne to lords of the primeval skies, according to new research published

Wednesday.

In one of two studies published in Nature on pterosaurs, researchers in Britain found the creatures were initially ungainly fliers. "As pterosaurs became more efficient at flight, they could soar for longer and longer distances before they would need to land," she said.They range from creatures barely bigger than a sparrow, to giants as tall as a giraffe and with the wingspan of a fighter jet.

But even considering the improvements associated with larger size, Baker said their flight efficiency still increased over time by more than 50 percent.Previous research has suggested that these huge animals spent more time on the ground than other pterosaurs, and the authors found that although they could fly, their performance in the air did not increase over time.

"Consumption of crunchy foods will create rough textures, while consumption of soft foods will create smoother textures," said lead author Jordan Bestwick, who was a researcher at Leicester at the time of the study.

 

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