# 70. Home-made hi-fi stereo system.
(Courtesy Google Images)
The male cricket send out his mating calls through home-made hi-fi stereo speakers!
He burrows out an underground nest with two tunnel entrances. He sits at the junction of the tunnels and by rubbing his fore wings together emits a trilling sound that is amplified several times to attract the passing females.
(Courtesy Google Images)
The male cricket send out his mating calls through home-made hi-fi stereo speakers!
He burrows out an underground nest with two tunnel entrances. He sits at the junction of the tunnels and by rubbing his fore wings together emits a trilling sound that is amplified several times to attract the passing females.
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