Feathers: Displays of Brilliant Plumage by Robert Clark, published by Chronicle Books 2016 The green color of the superb startling’s wing feathers is produced by microscopically structured ...

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 ...

Gavriel Jecan / Corbis For decades, scientists have known how birds with yellow or red feathers usually get their color: It comes from pigments in foods the birds eat. Flamingoes, for instance ...