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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). Male peafowl are referred to as peacocks, and female peafowl are referred to as ...
Sexual selection in birds concerns how birds have evolved a variety of mating behaviors, with the peacock tail being perhaps the most famous example of sexual selection and the Fisherian runaway. Commonly occurring sexual dimorphisms such as size and color differences are energetically costly attributes that signal competitive breeding ...
The Indian peafowl's size, color and shape of the crest make them easily identifiable within their native distribution range. [11] It displays a marked form of sexual dimorphism . [ 12 ] [ 13 ] A male peafowl or peacock is a larger sized bird with an average bill to tail length of 100–120 cm (40–46 in) and as much as 200–230 cm (78–90 ...
The genus name is the Latin word for a peacock. [2] The type species is the Indian peafowl (Pavo cristatus). [3] ... Female Pavo muticus Linnaeus, 1766. Three subspecies.
Peacocks are beautiful, peacocks are so sweet — wrong. Peacocks are menaces. Well, one peacock was a menace to two Golden Retrievers who happened to cross its path. The bird was not having it ...
For example, the Arctic fox has a white coat in winter (containing little pigment), and a brown coat in summer (containing more pigment), an example of seasonal camouflage (a polyphenism). Many animals, including mammals , birds , and amphibians , are unable to synthesize most of the pigments that colour their fur or feathers, other than the ...
At the same time, darker days call for a change in winter hair color trends. "In winter, usually people warm up, deepen, or darken a bit, mimicking the natural world," Christine Thompson, a color ...
Chameleons - Colour change signals a chameleon's physiological condition and intentions to other chameleons. [3] [4] Because chameleons are ectothermic, they change color also to regulate their body temperatures, either to a darker color to absorb light and heat to raise their temperature, or to a lighter color to reflect light and heat, thereby either stabilizing or lowering their body ...