A robin’s red breast could be the key to colours that never fade | Science – The Guardian



Sheffield scientists now know why kingfishers catch fire, robins are red, and jays are blue: the pattern of colour on a bird’s wing may have nothing to do with pigment, and everything to do with feather structure on a scale of billionths of a metre.

Source: How the robin’s red breast could be the key to colours that never fade | Science | The Guardian

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