There are two types of bat – megabats such as fruitbats, which navigate mainly by sight, and microbats, which locate prey using echolocation. New Zealand has only microbats. They send out pulses of high-frequency sound and listen for the returning echoes that bounce off objects. The sound is produced in their larynx (voice box) and sent out through their nose or mouth.
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Te Ara - The Encyclopedia of New Zealand
by Bruce Mahalski
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