colour phase


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colour phase

or

color phase

n
1. (Zoology) a seasonal change in the coloration of some animals
2. (Zoology) an abnormal variation in the coloration shown by a group of animals within a species
References in periodicals archive ?
Colourful photographs of slices oriented both perpendicular and parallel to the c-axis showed a wide variety of features, including sequential and face-selective incorporation of chromophore ions, parallel crystal aggregates, re-growth or 'healing', corrosion intervals and delta structures corresponding to the appearance of a second colour phase crystallizing on the same face.
L, a and b values for skin colours and [DELTA][E.sub.00] in relation to the standard values of skin colours of shot colour table colour phase L a b [DELTA][E.sub.00] standard 37,99 13,56 14,06 0 (DS) shot 38,00 13,00 14,00 0,4476 edited 38,00 14,00 15,00 0,5897 print 36,66 11,84 9,60 3,1845 standard 66,71 18,13 17,81 0 (LS) shot 66,00 17,00 13,00 3,0081 edited 68,00 17,00 12,00 4,1311 print 65,90 20,69 12,33 4,7344
This non-albino, white colour phase of the black bear is unique to the central and north coasts of British Columbia with the highest concentrations on Gribbell and Princess Royal Islands.