The benefits of ‘wiggly’ skulls Modern birds, as well as other animals like snakes and fishes, have skulls with jaws and palates that aren’t rigid and fixed in place like those in mammals ...

That's according to researchers in a study that say as their brains grew, birds' skulls became more flexible, unlocking new ways to eat, move and survive. Researchers think that this shift in skull ...

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 ...