New research from the University of Chicago and University of Missouri shows how physical changes in the skull affected the ...

Cranial kinesis allows modern birds to eat a wider variety of foods and use their beaks as multifunctional tools.

After birds began to evolve separately from dinosaurs at the end of the Jurassic period (around 150 million years ago), two groups of species developed. The Enantiorinthes, which had teeth and clawed ...

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

A newly discovered fossil in Antarctica has provided evidence of the oldest known modern bird—a species closely related to today’s waterfowl, about the size of a mallard duck, according to a ...

Millions of years before modern birds evolved, their dinosaur ancestors were soaring through the air. Scientists are piecing together how these iconic reptiles took to the skies. Fossils reveal that ...

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ostriches that walk upright on two hind legs, or predators like eagles and ...

Birds that fill the world’s skies today are living dinosaurs, reminders of a distant and strange past. Decades of major new discoveries and studies have convinced researchers that there’s a direct ...