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countable and uncountable, plural echolocations
The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar. quotations examples
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.
2013 May-June, William E. Conner, “An Acoustic Arms Race”, in American Scientist, volume 101, number 3, pages 206–7