Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away ...

Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are ...

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching ...

The discovery, in a bizarre animal not closely related to birds, could change how scientists think about the origin of ...

If you find a bird feather – how can you tell which species it belongs to? An ornithologist in the Forensic Laboratory at the U.S. Fish and Wildlife Service pondered this question.