Modern birds, along with certain snakes and fishes, have skulls whose jaws and palates are not firmly fixed in place.

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 ...

New research shows how physical changes in the skull affected the mechanics of the way birds move and use their beaks to eat and explore their habitats -- adaptations that helped them evolve into the ...