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IMAGE: The researchers found that all male superb fairy-wrens produced and maintained vibrant colours, regardless of their natural quality . view more
Credit: Credit: Alex McQueen
In many animals, female preference for males with the most elaborate appearance is an important factor in the evolution of bright and dramatic colours.
Females are thought to prefer colourful males because only high-quality males - those with the most resources, superior foraging skills or social status - can produce and maintain the most vibrant colours.
By choosing these high-quality males, females may ensure a good father or good genes for their offspring.
But do high quality males that are preferred by females invest more in their appearance?
Male fairy-wrens show looks can be deceiving
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