This one's for you Researchers have found that the males of a species
of grasshopper can control the volume of the sound produced during
their singing, and do so separately for each hind leg. Male
grasshoppers sing by rubbing their hind legs against their
forewings. The researchers think that this sound control is
beneficial because the grasshoppers can attract mates without
alerting other males. The volume control also allows them to direct
their song at specific females. 29 MAY 1999, P. 23
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