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A peacock's crest acts as a sensor for mating
![peacock, feathers, male, female, atlantic, mating, tail](https://assets.shortpedia.com/uploads/2022/04/18/1650274889.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
A female peacock's crest contains special sensors that allow her to detect vibrations from a distant mate. According to The Atlantic, the feathers are "tuned to vibrate at the same frequencies as a displaying peacock rattles his tail," according to The Atlantic. When a male peacock fans his tail, he shakes it 26 times per second, creating a pressure wave that rattles the female's head in a bid for attention.