killer whale killer whaleOrcinus orca Related Articles: Glossary: dorsal finGlossary: odontoceteHot Topic - Hearing SensitivityCommercial Vessel TrafficMarine Mammal Hearing AttenuationOcean Sound PoliciesWhy do sounds have certain properties?StrandingsSpecialized Sounds in Cetacean CommunicationDall's Porpoise Chris Knowlton2018-01-22T21:58:45-05:00