Our guardian angels scatter feathers along our physical paths as a way of responding to the questions that deeply trouble us. According to the color of the feathers and the type of bird that they come ...

Some are brightly colored, while others are camouflage ... In this condition, the bird doesn’t produce the normal pigments in its feathers, often leaving them looking very different from ...

A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

The MSU scientist published a book called “Bird Coloration” with fellow ornithologist Geoffrey Hill from Auburn University. Together they previously studied the phenomenon of yellow northern cardinals ...