Looks are certainly important for the peacock, with his absurdly bright, burdensome train that he shows off to attract a female. Peahens often choose males for the quality of their trains -- the ...

"The peahens tend to choose males with the longest, most colorful tails. It's quite a 'tail show.'" Only the males are peacocks while the females are peahens. But they're both called peafowl.

EXPLAINED: You've probably seen these green parakeets on Houston's power ... The Zoo Society, a conservation organization, suggests wild peacocks and peahens live about 15-20 years, while their ...