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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.
Erythrism or erythrochroism refers to an unusual reddish pigmentation of an animal's hair, skin, feathers, or eggshells. [1] Causes of erythrism include: Genetic mutations which cause an absence of a normal pigment and/or excessive production of others [2] Diet, as in bees feeding on "bright red corn syrup" used in maraschino cherry ...
They come in all shapes and sizes. Some walk, some slither, some fly and some swim. Humans are blessed to share the planet with just over 2.1 million recognized species of animals. And scientists ...
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 ...
A white snake with an 'incredibly rare' genetic mutation that left its skin a luminous pearly white color was recently discovered in Australia.
The dilute gene d is recessive to the wild type allele D. A gene test can be used to determine a dog's genotype concerning genes for pigmentation. In some dog breeds lightened by the dilute gene, the mutation d is associated with color dilution alopecia (CDA).
Peripatoides indigo, like other species of the genus Peripatiodes, is ovoviviparous, meaning it lays eggs which hatch internally, and then give birth to live young. [9] P. indigo is estimated to have a lifespan of up to five years, and females can produce 10-20 offspring per year. [10]
Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation.