Blonde at 65 or The Tale of the Peacock What have peacock tail feathers ever done for the peacock? They are heavy, they harbor ectoparasites, and they add nothing to the bird’s ability to eat, drink, or move. So why have they persisted, generation after generation? A peacock’s tail is a prime example of an elaborate display of reproductive fitness. According to evolutionary scientists, a bird that has so much energy to waste on mere