Science news articles about 'dinosaur bird'

... inhales. Warm-blooded birds need about 20 times more oxygen than cold-blooded reptiles, ... undercuts a critical piece of supporting evidence for the dinosaur-bird link. "A velociraptor did not just ...

An analysis of proteins extracted from fossils has yielded the first molecular data confirming the hypothesis of a close dinosaur-bird ancestry, scientists say.

... The discovery of this dinosaur builds on decades of paleontological research indicating that birds evolved from dinosaurs. Birds have a breathing system that is unique among land animals. Instead of ...

... that collagen protein survived in the bones of a well preserved Tyrannosaurus rex, and offer robust new evidence supporting previous conclusions that birds and dinosaurs are evolutionarily related.

... in what is now Germany. Instead, the animal has been recast as more of a feathered dinosaur -- bird on the outside, dinosaur on the inside. That's because new, microscopic images of the ancient ...