colour phase


Also found in: Encyclopedia, Wikipedia.

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 ?
00] in relation to the standard values of skin colours of shot colour table colour phase L a b [DELTA][E.
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.