pinniped pinnipedgroup of mammals that includes seals, sea lions and walruses Related Articles: Mass Stranding – June 4, 2017How do marine mammals hear?Audio GalleryWebinar Archive: Introduction to Underwater AcousticsDetection Threshold in Animal HearingHearing in Amphibious Marine MammalsReference List: Animals and SoundCalifornia Sea LionTutorial: Mammals – MaskingAcoustic Masking in Mammals Chris Knowlton2017-12-15T17:39:52-05:00