The bird was roughly the size of a starling and ... moment I first saw it to the moment I finished assembling all the skull bones and the brain, which lets us fully appreciate the anatomy of ...

Unlike with rams and rhinos, the screamer’s horn doesn’t seem to be a weapon, because it is only loosely attached to the skull ... Each bird sports a pair of sharpened bone spurs on its ...

One of the key differences between modern birds and other animals is that they have what’s called “cranial kinesis”: the ability to move different parts of the skull independently.

A recent study found a nearly complete skull in Antarctica that may belong ... It could be the oldest known modern bird. Its brain structure and long beak resemble those of today’s waterfowl ...