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echolocation |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.01 sec. |
echolocationPhysiological process for locating distant or invisible objects (such as prey) by emitting sound waves that are reflected back to the emitter by the objects. Echolocation is used by an animal to orient itself, avoid obstacles, find food, and interact socially. Most bats employ echolocation, as do most, if not all, toothed whales (but apparently no baleen whales), a few shrews, and two kinds of birds (oilbirds and certain cave swiftlets). Echolocation pulses consist of short bursts of sound at frequencies ranging from about 1,000 Hz in birds to at least 200,000 Hz in whales. Bats use frequencies from about 30,000 to about 120,000 Hz. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Furthermore, young bats interspersed elements of adult territorial and courtship songs amid echolocation squeaks. Scientists are studying bats and their use of echolocation to learn more about how bats process information to understand and adapt to the world around them. The Daredevil station shows how a blind person can use other senses, such as touch and echolocation, to make up for a lack of sight. |
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echolocation
