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importantSYS.SOURCE: University of St Andrews news• 2026-07-24T23:13:18Z

Sperm Whales Use Bubble Release for Vertical Buoyancy Control During Sleep

#marine biology#buoyancy control#whale behavior

New research reveals sperm whales release gas bubbles to regulate buoyancy, enabling vertical sleep just below the ocean surface. The study, using 3D movement tags, confirms this method counteracts their natural positive buoyancy and allows neutral buoyancy during rest.

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