melanism

thumb|Black squirrel|Melanistic black [[eastern grey squirrel (Sciurus carolinensis)]] thumb|Melanistic guinea pigs (Cavia porcellus) are rare, and are used in rituals by Andean [[curanderos.]]

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Commons category: Melanism

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~8 min read

Article

11 sections

Contents

Adaptation
Industrial melanism
In cats
In birds
In amphibians
In humans
Peutz–Jeghers syndrome
Socio-politics
See also
References
Bibliography

thumb|Black squirrel|Melanistic black [[eastern grey squirrel (Sciurus carolinensis)]] thumb|Melanistic guinea pigs (Cavia porcellus) are rare, and are used in rituals by Andean [[curanderos.]]

Melanism is the congenital excess of melanin in an organism resulting in dark pigment.