Sperm whales blow bubbles to stay afloat while resting, research shows

Sperm whales are the only whales known to rest vertically, floating steadily just below the ocean’s surface. Scientists have hypothesized that the whales release air bubbles to help them stay neutrally buoyant but the mechanism for how they do so has not previously been demonstrated — until now. “We already knew that sperm whales rest […]

Curated from Mongabay. Classified as Environment by AI, which sometimes makes mistakes.