"Bat-winged dinosaurs were clumsy fliers" Topic
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Tango01 | 03 Nov 2020 3:40 p.m. PST |
"Only two dinosaur species are known to have had wings made out of stretched skin, like bats. But unlike bats, these dinos were capable of only limited gliding between trees, a new anatomical analysis suggests. That bat-winged gliding turned out to be a dead end along the path to the evolution of flight, researchers say. "They are a failed experiment," says Alexander Dececchi, a paleontologist at Mount Marty University in Sioux Falls, S.D. Fliers with feathered wings, rather than membranous wings, begin to appear in the fossil record just a few million years after the bat-winged dinosaurs. Those feathered fliers may have outcompeted the gliders in their evolutionary niche, Dececchi and colleagues suggest October 22 in iScience…" Main page link Amicalement Armand |
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