cetacean cetaceanorder of mammals that includes whales, dolphins and porpoises Related Articles: Glossary: delphinidGlossary: dialectGlossary: MysticetesGlossary: passive acoustic monitoring (PAM)Biological OceanographerHot Topic – Mass StrandingHot Topic – Monitoring Wind Farm ConstructionHot Topic- Seismic AirgunsChanges in Baleen Whale VocalizationsUnderwater Acoustic Impacts of COVID-19 Chris Knowlton2018-01-22T22:01:23-05:00