Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been ...

Yet birds differ from their reptile ancestors in many important ways. A turning point in their evolution was the development ...

Cranial kinesis allows modern birds to eat a wider variety of foods and use their beaks as multifunctional tools.

More: A dinosaur museum in an unlikely place Edward Braun, a professor of biology at the University of Florida who has studied the evolution of birds, said the study's findings suggest that there ...

Scientists suggest that bigger brains in bird ancestors led to more flexible skulls, playing a key role in their evolution.

Scientists uncovered a key genetic pathway in the origin of feathers, but they found that evolution is stubborn in turning ...

and kiwi birds. In a study in the journal Evolution, researchers compared the feathers and bodies of different species of flightless birds and their closest relatives who can still fly.

Yet birds differ from their reptile ancestors in many important ways. A turning point in their evolution was the development of larger brains, which in turn led to changes in the size and shape of ...