Two cameras mounted on tripods with wind vane attachments were positioned about 50 feet apart along an axis of 45 degrees to the direction of the wind. Both cameras were free to pan through 360 ...
The vanes on early pterosaur tails were supported by criss-crossing fibers and tube-like structures, providing stability and direction during flight.
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 ...