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 hawks ...

Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of Yale paleontologists ...

The woodpecker is a unique bird species that has gone through some mysteriously acquired adaptations since the extinction of the dinosaurs. Fossils tell us, without any explanations of course (because ...

Few subjects in evolutionary theory have posed such intriguing puzzles for so long as the origin of birds. Evidence of avian beginnings has been elusive in the fossil record because birds' light, ...

Navaornis hestiae (center) documents a previously unknown intermediate stage in the evolution of the central nervous system between the earliest birds (like Archaeopteryx on the left) and living birds ...