Red Opaline Bourke's Parrot

The loss of eumelanin in the Opaline variety makes that the blue-structure in the blue frontal band, the gender characteristic of the Bourke, can not come to expression. Here we see one cock with a remnant of a frontal band, the other cock without a frontal band. But on the shoulder we see in both Bourke's the same mauve coloring, another characteristic of the male.

front

The breast and belly of this Bourke's are red. When the brown eumelanin pigment get lost in this feather fields, the color is not rose anymore because the rose color is the result of the mix of brown and red pigment

Copyright 2006 by Bob Fregeres

9/17/06

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