Birds use hidden black and white feathers to make themselves more colourful

By Simon Griffith, Professor of Avian Behavioural Ecology, Macquarie University

Birds are perhaps the most colourful group of animals, bringing a splash of colour to the natural world around us every day. Indeed, exclusively black and white birds – such as magpies – are in the minority.

However, new research by a team from Princeton University in the United States has revealed a surprising trick in which birds use those boring black and white feathers to make their colours even more vivid.

In the study, published today in Science Advances, Rosalyn Price-Waldman and her…

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