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

and the Senckenberg Research Institute and Natural History Museum in Frankfurt report on the bird's fully preserved skull in the journal Palaeontologia Electronica. The fossil was unearthed in the ...

Animation of a theropod dinosaur skull, showing muscle forces. Credit: Alec Wilken, Casey Holiday Modern birds, as well as other animals like snakes and fishes, have skulls with jaws and palates ...

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 ...