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

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 day in the Middle Miocene, some 11 million to 16 million years ago, a roughly 4.8-metre-long caiman ate a terror bird 1.

Hoatzins are known as a smelly bird. In fact, they're infamously referred to as one of the stinkiest animals to exist.

Costa Rica is home to over 50 species of hummingbirds. I know, crazy, right? These tiny, iridescent birds are captivating to watch as they dart from flower to flower, often coming surprisingly close ...