A male bird of paradise
This male bird of paradise carries an extremely long tail as the result of sexual selection.The tail is flamboyant and detrimental to the bird's own survival, but it increases his reproductive success.This may be an example of the handicap principle.
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"Ribbon-tailed Astrapia."
http://en.wikipedia.org/wiki/Bird-of-paradise%23mediaviewer/File:Ribbon-tailed_Astrapia.jpg
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