noun
leucism; pigmentation loss
A biological term for a condition in which an animal has reduced pigmentation, resulting in white or pale coloration but not the red eyes of albinism.
その白変種のクジャクは、目が黒いままだ。
That leucistic peacock still has dark eyes.
白変種はアルビノとは異なり、メラニンが完全に欠如しているわけではない。
Leucism differs from albinism in that melanin is not completely absent.