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See also: écholocation
- The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar.
- 2013 May-June, William E. Conner, “An Acoustic Arms Race”, in American Scientist, volume 101, number 3, page 206-7:
- Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.
use of echos to detect objects