killer whale Orcinus orca Related Articles: Glossary: dorsal finGlossary: odontoceteHot Topic - Hearing SensitivityCommercial Vessel TrafficMarine Mammal Hearing AttenuationWhy do sounds have certain properties?Specialized Sounds in Cetacean CommunicationDall's PorpoiseSouthern Right Whale Chris Knowlton2018-01-22T21:58:45-05:00