Contact: Suzanne Taylor Muzzin
suzanne.taylormuzzin@yale.edu
203-432-8555
Yale University

Xenicibis

Caption: The prehistoric Xenicibis used its wings like two clubs hinged at the wrist joint in order to swing at and attack one another.

Credit: Nicholas Longrich/Yale University

Usage Restrictions: With credit.

Related news release: Prehistoric bird used club-like wings as weapon