phys.org
Gaming seals reveal how cloudy water provides sense of direction
Open water swimming can be strangely claustrophobic. Immerse your face in cloudy water and your view might dwindle to a few centimeters. Yet, harbor seals (Phoca vitulina) manage to negotiate the turbid coastal waters in which they reside with ease, detecting their surroundings through various senses, including their dexterous whiskers.