pinniped pinnipedgroup of mammals that includes seals, sea lions and walruses Related Articles: Mass Stranding – June 4, 2017How do marine mammals produce sounds?How do marine mammals hear?Hearing Sensitivity StudiesAudio GalleryAcoustic Fish TagsWebinar Archive: Introduction to Underwater AcousticsHow is sound used to mitigate marine mammal/fisheries conflicts?Detection Threshold in Animal HearingHearing in Amphibious Marine Mammals Chris Knowlton2017-12-15T17:39:52-05:00