Why are some songbirds so brightly colored? A new study finds that a hidden layer of black and white feathers help their colors pop. Have you ever looked at a bird and wondered, how can it be so red ...

Carotenoids are the underlying pigment for much of the enormous variety in color found across birds and form the basis for the colors red, yellow, and orange. In a study published in Current Biology, ...

The most distinguishing characteristic of a male yellow-headed blackbird is its bright yellow head and chest, hence its name. “It’s also bigger than a red-winged blackbird,” says Paige Anspach, ...

Museum scientist Gary Graves has spent decades investigating why red-billed and black-billed streamertail hummingbirds remain distinct species despite on-going hybridization Erin Wunderlich Gary ...