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November 19, 2020 - EurekAlert

Can animals use iridescent colours to communicate?

Can animals use iridescent colours to communicate?
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A new paper from the University of Melbourne reveals how animals use beautiful but unreliable iridescent colours as communication signals. Special adaptations enable animals to control how these shifting colours appear so that they can convey reliable information.

The new work now published in Trends in Evolution and Ecology draws together studies from across the animal kingdom to discover how animals control the appearance of iridescent colors in nature.

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