Movie 1.
Video footage of resting sperm whales (Physeter macrocephalus) releasing bubbles through their blowholes (Footage filmed by Patrick Dykstra).
Buoyancy regulation through modulation of onboard gas volume by resting sperm whales (Physeter macrocephalus)
Journal of Experimental Biology 2026. 229:None-None; doi: 10.1242/jeb.251920