Brightly colored peacocks mate more frequently than drab peacocks is an example of Sexual selection.
Sexual selection is the "advantage which certain individuals have over other individuals of the same sex and species solely in respect of reproduction".
Some points about Sexual selection:-
a) intrasexual selection - in between same sex. it is also known as mate competition. Here two or males compete for each other.
b) intersexual selection - known as femal mate choice. Here females choose their sexual partner.
7. Some examples are Antlers in deer, feathers of peacock, comb of chicken.
Female peacock or peahens prefer to mate with males that have large and colourfull tails, to maximise their chance of reproductive sucess. This process is simply known as Sexual selection.
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