He’s too quiet for his mate to hear him. So he makes a megaphone

For better or for worse, female tree crickets tend to prioritise two traits in their mates: loudness and size. The louder the boy cricket, the more likely a lady is to be wooed by his serenade. The larger he is when she finds him, the more time she will stay locked in a sexual tryst — in some cases, up to an hour of rollicking, sperm-shuttling fun.

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