To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Slow-motion replays of high-speed videos showing the characteristic beak movement pattern during head retraction in Dryocopus martius. Cranial kinesis facilitates quick retraction of stuck woodpecker beaks Sam Van Wassenbergh, Tim Andries, Evy Pauly, and Anick Abourachid Journal of Experimental Biology 2022. 225:None-None; doi: 10.1242/jeb.243787 Download Original Video