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Film summary
Dolphins use of sound as a navigational tool is essential to their survival. Discover how they produce these sounds and use them to learn about their environment.Key facts
- Dolphins, like most marine species, use echolocation to understand their environment
- Sound waves travel five times better than light waves in water
- They use echolocation for navigation, hunting and communication
- Dolphins can make two different types of sounds, whistles and short bursts.
Transcript
Echolocation
Echolocation is a sensory system that dolphins and other creatures use for understanding their environment.
Although dolphins have acute vision, their ability to echolocate in the water is essential to their survival.
Prof Joseph Mobley, University of Hawaii – "The great majority of our sensory world is determined by vision, and that's …
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