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Bug Translation Guide: Decoding Buzzes, Chirps, & Clicks

Twenty Thousand Hertz

CHAPTER

The Evolution of Bat Sonar

The loudest animal by body size is a water boatman that lives at the bottom of rivers. The males make this sound 99 decibels by rubbing its genitals against his abdomen. Strangely their predators don't seem to notice this sound at all. Typically adaptations by prey go hand in hand with adaptations by their predators.

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