Beauty is in the eye of your friends

Female guppies, quail and finches tend to mate with males that look like the males they have seen other females paired with. Such “mate choice copying” can pay off. If it is difficult to choose the best mating material, or takes a lot of time and energy, it makes sense to go with what works for the other girls. Yet although human mate selection suffers just such difficulties, there has been little evidence that women do this, until now.

2007-01-17

 evolution attraction mating women choice copying sex

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