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A partial loss of pigmentation in a human or other animal, resulting in white, pale, or patchy coloration of the skin, hair, fur, or feathers but not the eyes.

leu·cis′tic (-kĭs′tĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


having reduced pigmentation in the skin but normally coloured eyes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
White "leucistic" alligators are very rare due to its lack of pigment leaving them vulnerable in the wild.
He sent me a photo and the bird appears to be leucistic, which is a condition caused by a lack of melanin pigmentation.
At 1055 h on 21 September 2015, a leucistic male of Tropidurus hispidus was photographed on a rocky surface and leaf litter around the Fortaleza de Sao Jose de Macapa (0.031058[degrees]N, 51.049133[degrees]W, datum WGS84), municipality of Macapa, Amapa state, Brazil.
Despite these disadvantages, reports of leucistic animals at mature life stages still occur (Fertl and Rosel, 2009).
We have counted a grand total of eight of these iconic white, leucistic birds amongst the thousands wintering on the Solway.
The missing creature is a leucistic alligator, one of only 10 in the world, Robbie Keszey said in a phone interview Tuesday.
Leucistic alligators are exceptionally rare as they are born without skin pigmentation and appear to have blue eyes.
Wild albino and leucistic animals are usually rare, partially due to to their low survival rates, considering that specimens within these conditions may hatch stillborn, with malformations, and are easier to be detected by prey and predators than their normally colored counterparts, with negative impacts on their feeding and reproductive capabilities (Walter, 1938; Oliveira, 2009; Krecsak, 2008; Noronha et al., 2013)
The pathologic and molecular findings associated with Histomonas meleagridis are described in a leucistic Indian peafowl (Pavo cristatus) from Southern Brazil.
The fox squirrel was leucistic, which may be even rarer than albino or blond.