How And Why Do Crickets Chirp?
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It’s widely believed that crickets chirp by rubbing their legs together. However, it’s not the legs of the cricket that produce that chirp we can all hear on spring and summer nights – it’s the wings. Along the bottom of the wing there is a large vein which has large teeth sticking out of it. The upper wing acts like a scraper and the cricket will run this upper wing along the bottom wing; this is what produces those cheerful cricket chirps. It’s also widely believed that only male crickets chirp and that they do so in order to mate. This is true, but there are four different songs the cricket chirps during the mating process.
The loudest of the songs made from the cricket’s chirp is the one that attracts females and is meant to drown out the other cricket chirps. Once a female cricket draws nearer to the male cricket, he will then begin to chirp a softer song, which is meant to invite the female to him. If there is another male cricket that the first male thinks may be a threat, he will emit a highly aggressive song in order to show his dominance and drive the new male away. Once the male cricket has fertilized the female, he will then chirp one last copulative song.
A cricket’s chirp is a nice backdrop to any evening, but it serves a very important function in the life and reproductive cycle of the cricket.
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