Darwin 52

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Peacock

Pauwen feather

Females of the peacock are extremely sensible for the splendour of the male's tail. For this reason the tail has developed to proportions that could well be troublesome for the male. At last a kind of equilibrium come into existence between natural and sexual selection. This is a page from Darwin's book on sexual selection. Note that Darwin meticulously mentioned the people who had given him information.

Darwin 52

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