Birds tend to be more colorful in the tropics, and scientists wanted to find out how they got there: if colorful feathers evolved in the tropics, or if tropical birds have brightly-colored ancestors ...

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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 ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

The color palette of the birds you see out your window depend on where you live. If you’re far from the Equator, most birds tend to have drab colors, but the closer you are to the tropics, you’ll ...