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The brilliant iridescent colors of the peacock's tail feathers are created by structural coloration, as first noted by Isaac Newton and Robert Hooke.. Structural coloration in animals, and a few plants, is the production of colour by microscopically structured surfaces fine enough to interfere with visible light instead of pigments, although some structural coloration occurs in combination ...
Leucism (/ ˈ l uː s ɪ z əm,-k ɪ z-/) [2] [3] [4] is a wide variety of conditions that result in partial loss of pigmentation in an animal—causing white, pale, or patchy coloration of the skin, hair, feathers, scales, or cuticles, but not the eyes. [4] It is occasionally spelled leukism.
Champagne gene, describes a different dilution gene in horses that also creates cream coloring, pale skin with mottling and light-colored eyes. Pearl gene, also called the "Barlink factor", is a recessive gene. One copy of the allele has no effect on the coat color of black, bay or chestnut horses.
The feathers of the peacock also symbolize sun rays, from which come light, luminosity and brightness. The peacock opening the feathers of its tail in a circular shape symbolizes the sunrise. [46] Consequently, due to its holiness, Yazidis are not allowed to hunt and eat the peacock, ill-treat it or utter bad words about it.
In Yazidi religious folk beliefs, Tawûsî Melek is described as eternal and an eternal light (Tawûsî Melek herhey ye û nûra baqî ye), and in Yazidi mythology, when Tawûsî Melek descended to earth, the seven colours of the rainbow transformed into a seven-coloured bird, the peacock, which flew around every part of earth to bless it, and ...
The flavescent peacock (Aulonocara stuartgranti), also known as Grant's peacock, is a species of haplochromine cichlid. Its common name refers to its "flavescent" (yellowish) colour. It is endemic to Lake Malawi where found in the countries of in Malawi , Mozambique , and Tanzania .
Aulonocara jacobfreibergi, the eureka red peacock, is a species of fish in the family Cichlidae. It is also known as Freiberg's peacock or fairy cichlid . There are several colour morphs including red or yellow.
When these feathers are exposed to a white light source, such as sunlight, only the blue part of the spectrum is reflected by the eumelanin granules. This reflected blue light passes through the yellow pigment layer, resulting in the green colouration known as lightgreen in only the budgerigar and/or green in any other naturally green coloured ...