RESEARCH: Waxbill birds have a social ranking based on the redness of their feathers

Researchers have found that the bird, the Common Waxbill (Estrilda astrild), chooses its leader based on the redness of its chest feathers. Leadership is not dependent upon intelligence, or size, or size of its family, or stress tolerance, or aggressiveness, or the wealth of the objects it collects – it is based on the colour of its feathers.

The study, reported in The New Scientist magazine in November 2021, found that a Waxbill’s social rank or dominance is linked to how richly red its chest feathers are. The rich red feathers are thought to be a signal of health. The redder the feathers, the healthier the bird, and the most likely it is to be a strong leader. 

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