The right combination of bird behaviors augured favorable conditions, but the wrong patterns spelled trouble. Today, spanning nearly 60 years, in partnership with the Point Reyes National Seashore ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

A 69-million-year-old skull found in Antarctica has been identified as a relative of geese and ducks, making it the oldest known modern bird. It belongs to a species that was first identified two ...

The Enantiorinthes, which had teeth and clawed wings and did not fly well, went extinct 66 million years ago, while the Ornithuromorpha evolved into modern birds. Previously, the oldest known ...

Birds are endothermic, or warm-blooded, animals—they can regulate their own body temperature. Dinosaurs, on the other hand, didn’t have as much of an ability to control their body temperature as ...

The fossilized 69-million-year-old skull of the oldest known modern bird has been discovered. The early relatives of ducks and geese lived in Antarctica at around the same time Tyrannosaurus rex ...

The study, published in Royal Society Open Science, compared dinosaur lungs to those of living crocodilians, such as crocodiles and alligator, and the lungs of modern-day bird species, such as the ...