Quick Take Vulturine guinea fowl’s blue and white plumage comes from feather structure, not pigments, creating vivid, ...

Where do birds get their red feathers from? According to a new article, the red carotenoids that give the common crossbill its red coloration are produced in the liver, not the skin, as previously ...

Exposure to sulfur-rich volcanic soil may increase production of pheomelanin, a pigment that gives a reddish tint to the feathers of barn owls living on remote volcanic islands Barn owls (Tyto alba) ...

The traces of organic material found in fossil feathers are remnants of pigments that once gave birds their color, according to Yale scientists whose paper in Biology Letters opens up the potential to ...