On the open savannas of East Africa, a flock of vulturine guinea fowl looks almost unreal. Bodies are patterned with crisp ...

Many species of songbirds have evolved to have strikingly colorful plumage, aiding them in catching the eye of mates, signaling, and recognizing each other. These eye-catching patterns have long ...

Birds are perhaps the most colorful group of animals, bringing a splash of color to the natural world around us every day. Indeed, exclusively black and white birds—such as magpies—are in the minority ...

The vulturine guinea fowl’s electric blue feathers are not pigments. Scientists reveal how microscopic structures manipulate ...