A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...

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 ...

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 ...