Movie S1.

Movie clip of the frozen northern gannet thrown into a tank of water at 5.5 m/s and a 3D-printed skull dropped into a tank of water at 3.1 m/s.

How seabirds plunge-dive without injuries

Brian Chang, Matthew Croson, Lorian Straker, Sean Gart, Carla Dove, John Gerwin, and Sunghwan Jung

PNAS. 2016. 113:12006-12011 DOI: 10.1073/pnas.1608628113