It is the peculiar differentiation between males and females of the same species. It is usually given in sizes, antlers and coloration of their coats, plumage or flakes. In some species the females are smaller than the male, they lack horns or have them smaller and have plumage colors or various hair and flashy (this is to show your female strength and draw your attention). Sexual dimorphism is very characteristic species that do not establish permanent couples and allows females to choose the consort that attracts them.
