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The peacock's plumage shows intersexual selection, where ornate males compete to be chosen by females. The result is a stunning feathered display, which is large and unwieldy enough to pose a significant survival disadvantage, demonstrating the handicap principle , and possibly provide a means of demonstrating body symmetry, such that peahens ...
A peacock spreading his tail, displaying his plumage Peahen. Peafowl is a common name for two bird species of the genus Pavo and one species of the closely related genus Afropavo within the tribe Pavonini of the family Phasianidae (the pheasants and their allies).
A male peacock courting a female peahen with his large tail. Biological ornaments are used in courtship displays in many species, especially insects, fish, and birds. A well known ornament used in courting displays is seen in peafowls. Male peacocks spread and shake their tails to attract and impress potential mates.
A male peacock’s train plumage, on the other hand, is spectacular! Wooing His Mate. The most eye-catching parts of the train plumage are the ocelli or ‘eyespots’.
The plumage of the peacock increases its vulnerability to predators because it is a hindrance in flight, and it renders the bird conspicuous in general. [7] Similar examples are manifold, such as in birds of paradise [8] and argus pheasants. [citation needed] Another example of sexual dichromatism is that of nestling blue tits. Males are ...
The Indian peacock feathers are used in many rituals and ornamentation and its motifs are widespread in architecture, coinage, textiles and modern items of art and utility. [31] Indian peacock motifs are widely used even today such as in the logos of the NBC television network and the Sri Lankan Airlines. [101] [102]
The peacock tail in flight, the classic example of an ornament assumed to be a Fisherian runaway. Fisherian runaway or runaway selection is a sexual selection mechanism proposed by the mathematical biologist Ronald Fisher in the early 20th century, to account for the evolution of ostentatious male ornamentation by persistent, directional female choice.
Male peacock spider, Maratus volans, courtship display In some species, males will perform ritualized movements to attract females. The male six-plumed bird-of-paradise (Parotia lawesii) exemplifies male courtship display with its ritualized "ballerina dance" and unique occipital and breast feathers that serve to stimulate the female visual system. [7]