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Erythrism or erythrochroism refers to an unusual reddish pigmentation of an animal's hair, skin, feathers, or eggshells.
Causes of erythrism include:
Causes of erythrism include:
- Genetic mutations which cause an absence of a normal pigment and/or excessive production of others
- Diet, as in bees feeding on "bright red (colored) corn syrup" used in maraschino cherrymanufacturing