> Why were peacocks not satisfied with a small slightly less colorful tail? This is a weird analogy for all kinds of reasons. Not the least of which is that th

> Why were peacocks not satisfied with a small slightly less colorful tail? This is a weird analogy for all kinds of reasons. Not the least of which is that the extravagant tail (among other things) makes the bird highly specialized to a few environmental niches. Compare this to the humble rat that has been successful in just about any environment on the planet.