click clicka short pulse of sound, often used to describe pulses produced by toothed whales for echolocation. Related Articles: Hot Topic- Passive Acoustic Monitoring Critical to Vaquita Conservation EffortsHot Topic- Killer Whales and Vessel NoiseHow do marine animals use sound?What are common underwater sounds?Why is sound important to marine animals?Individual-specific VocalizationsHow do marine mammals produce sounds?How is sound used to study marine mammal distribution?Sonar TechnologySmall Vessels Chris Knowlton2017-10-27T15:25:00-05:00