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A loud and dangerous sound
The male cicada has two cymbals housed on each side of its abdomen, which allow it to produce sounds up to 90 decibels. These rugby ball-shaped plates consist of small rigid rods contracted repeatedly by the cymbalic muscle. Their deformation emits a sound amplified by the resonance chamber of the almost empty abdomen of the male cicada and coming out through vents acting as ears. The eardrums of the males crease to protect them from such sound intensity and from deafening.
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