150-Million-Year-Old Fossil Fills Important Gap in Evolution of Pterosaurs

150-Million-Year-Old Fossil Fills Important Gap in Evolution of Pterosaurs

A new genus and species of monofenestratan pterosaur being named Propterodacylus frankerlae documents the transition from the more ancient rhamphorhynchoid pterosaurs to the derived pterodactyloids. The post 150-Million-Year-Old Fossil Fills Important Gap in Evolution of Pterosaurs appeared first on Sci.News: Breaking Science News.  A new genus and species of monofenestratan pterosaur being named Propterodacylus frankerlae…

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How large turkey vultures remain aloft in thin air

How large turkey vultures remain aloft in thin air

Mountain hikes are invigorating. Crisp air and clear views can refresh the soul, but thin air presents an additional challenge for high-altitude birds. “All else being equal, bird wings produce less lift in low density air,” says Jonathan Rader from the University of North Carolina (UNC) at Chapel Hill, U.S., making it more difficult to…

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