A seagull's head was marked with a swastika and its feathers were ripped out by an inmate at a prison in England; the gull is ...

They bark to alert neighbors to the presence of predators, with separate calls for dangers coming by land or by air.

Unlike birds whose plumage is mostly blue, the green coloring of a green bird‘s feathers is the result of pigment, not a ...

What is the smallest dinosaur? It could be the gliding Scansoriopterygidae or Epidexipteryx and its beautiful tail feathers.

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed ... "Compared to most living birds, Archaeopteryx has a very long upper arm bone ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and highlighting its unique flight adaptations.

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array of previously unknown features of the earliest-known bird, providing ...

Most modern birds solved this issue by evolving shorter appendages to accompany their tertial feathers. But even though ...

This is a type of bird that lives in the neotropics of what is now Guatemala. Adult males grow two or three long, upper-tail, covert feathers that are this emerald green that also shades into gold or ...

The males perform courtship dances, moving their beautiful long tail feathers to show off their plumage. Those bright feathers act as an invitation for their potential mates. The birds of paradise ...