Movie 1.

Sub-surface travel of a group of Sowerby's beaked whales (Mesoplodon bidens) off Terceira Island, Azores, recorded 7 August 2018, through aerial imagery.

Sowerby's beaked whale biosonar and movement strategy indicate deep-sea foraging niche differentiation in mesoplodont whales

Fleur Visser, Machiel G. Oudejans, Onno A. Keller, Peter T. Madsen, and Mark Johnson

Journal of Experimental Biology 2022. 225:None-None; doi: 10.1242/jeb.243728