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 ...

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 by a new fossil discovery.” ...

One of the tiniest birds plays a surprisingly large role in conservation advancement. Hummingbirds are beloved by many.

By Mongabay.com Six blue-and-yellow macaws are gracing the skies of São Simão, in Brazil’s southeastern São Paulo state, after more than five decades of local extinction, Mongabay contributor Suzana ...

Hundreds of species, from as far as South America, commonly stop in Kentucky to find food and rest their wings after ...