Male mandarin ducks have the bright striped feathers, while female ducks are brown with white spots. The males use their attention-grabbing colors to attract a mate. But once summer rolls around ...

a Eurasian jay or a Mandarin duck, these intricate structures are a tribute to the power of natural selection, says Robert Clark, a New York City-based photojournalist whose new book, Feathers ...

yellow feathers, Scarlet Macaw is one of most striking birds in the Amazon rainforest. This parrot's radiant colors help it blend into the vibrant canopy The Mandarin Duck is a symbol of beauty in ...