Life in the World's Oceans. Episode 16, Mammalian Swimming and BuoyancyLife in the World's Oceans. Episode 16, Mammalian Swimming and Buoyancy

For all practical purposes, terrestrial mammals live on a plane. Marine mammals, on the other hand, navigate a more viscous, three-dimensional environment with all its opportunities and challenges. We understand their propulsion mechanisms fairly well. But how do they control their buoyancy to position themselves in the…