Leukism

Leukism is a condition characterized by a partial loss of pigmentation in animals. Unlike albinism, which is a complete absence of melanin, leukism results in white or patchy coloration due to a genetic mutation that affects pigment cells. The eyes, skin, and fur or feathers typically retain their normal coloration, distinguishing it from albinism where eyes are usually pink or red.

The genetic basis of leukism can vary. It often involves genes that regulate the development or migration of melanocytes, the cells responsible for producing melanin. This can lead to a range of expressions, from small white spots to an almost entirely white animal with only faint markings. Leukism is observed across a wide variety of animal species, including mammals, birds, reptiles, and amphibians.

While leukism can make animals more conspicuous to predators, it does not typically impair their vision or overall health. In some cases, the reduced pigmentation might even offer a camouflage advantage in snowy environments. The condition is not contagious and is passed down through inherited genes. It is an interesting example of genetic variation influencing physical traits within a population.