Owl Feathers (IMAGE) Lehigh University Caption The flight feathers of many owl species comprise a porous wing planform and create a poroelastic trailing-edge fringe. Credit Christa Neu, Lehigh University Communications + Public Affairs Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.