ScienceSilicon Canalsabout 2 hours ago
Sperm whales blow bubbles to stay suspended in vertical naps
7 min read
A 2026 study in the Journal of Experimental Biology found sperm whales release bubbles to reduce positive buoyancy and stay suspended during vertical rests. Researchers analyzed suction-cup tag data from 42 whales off northern Norway, and all 10 modeled head-down resting whales released bubbles.
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