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leucism

American  
[loos-iz-uhm] / ˈlusˌɪz əm /

noun

  1. Zoology. in some animals, abnormally pale or blotchy coloring caused by a genetic mutation that reduces pigment in the skin, hair, feathers, or scales.


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Example Sentences

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Photos of the pale carnivore made headlines across the San Francisco area, with most reports suggesting that the North American badger likely has leucism, an abnormality marked by a partial loss of pigmentation.

From National Geographic ● Feb. 12, 2024

White penguins are rare because leucism is a recessive gene, and they may be more vulnerable to predators due to being more easily seen.

From BBC ● Jan. 14, 2024

However, the moose’s coloring could be the product of a nutritional deficiency while in utero or of a genetic condition called leucism — the partial loss of pigmentation.

From Washington Post ● Jan. 18, 2023

The moose wasn’t an albino either, according to National Geographic, but it had a partial form of leucism called piebald — where only specks of colors remain.

From The Verge ● Sep. 17, 2017

The unique eagle has leucism, which causes partial pigmentation loss in animals.

From Washington Times ● Mar. 9, 2017

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