It's created by the physical structure of the feather The color is all in the way the molecules are arrayedOne of the loudest and most colorful birds of eastern back yards and woodlots, the Blue Jay is unmistakable Intelligent and adaptable, it may feed on almost anything, and it is quick to take advantage of bird feeders Besides their raucous jay!Http//www369universecom/Blue jays are natural forest dwellers, but they are also highly adaptable and intelligent birds They are a familiar and noisy pre
Blue Jay Bird Britannica
