shake your tailfeather
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The Physics Of Peacock Tail Feathers Is Even More Dazzling Than We Realised
Male peacocks shake their brilliantly-hued, long tail feathers to attract females in a courtship display known as “train-rattling”. But scientists had never closely examined the biomechanics behind this behaviour — until now. A new paper in PLOS One concludes that the frequency at which those feathers vibrate can enhance this iridescent display — even as…