Most animals appear blue due to selective reflection ... According to allaboutbirds.com, “The pigment in Blue Jay feathers is melanin, which is brown. The blue color is caused by scattering ...

Even fear of the bird flu isn’t stopping some Floridians from hand-feeding scrub jays, fascinating the author.

Blue stands out as one of the rarest colors in nature, with almost no animals bearing true blue pigments. This fascinating rarity stems from a unique blend of evolution, chemistry, and physics. Unlike ...