
Xanthochromism (also called xanthochroism or xanthism) is an unusually yellow pigmentation in an animal. It is often associated with the lack of usual red pigmentation and its replacement with yellow. The cause is usually genetic but may also be diet. A Cornell University survey of unusual-looking birds visiting feeders reported that 4% of such bi...
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http://en.wikipedia.org/wiki/Xanthochromism

colouration of an animal that is unusually yellow.
Found on
https://www.amentsoc.org/insects/glossary/begins/with/x/
No exact match found.