The vanes on early pterosaur tails were supported by criss-crossing fibers and tube-like structures, providing stability and direction during flight.

The location for this film is the western end of Hampstead Heath in London. Two cameras mounted on tripods with wind vane attachments were positioned about 50 feet apart along an axis of 45 degrees to ...

They explained that the vanes most likely behaved like the sail on a ship, becoming tense as the wind blew through their ... of their tails while in the air. “The study also raises intriguing ...