Why does the peacock have such an elaborate ... and females evolve preferences for these traits. Two major mechanisms to account for female mate choice have been proposed: good genes, and ...

hypothesized that something more than chemistry drives mate choice. Looks are certainly important for the peacock, with his absurdly bright, burdensome train that he shows off to attract a female.

It takes two to tango, but when a male peacock spider gets the attention of a potential female mate, their dance becomes a chase. In fact, the peacock spider has to simultaneously dance his way to ...