A 150-million-year-old bird fossil has unusually small wings and dinosaur-like teeth; the discovery challenges the idea that the earliest birds were all built primarily for flight
An almost complete fossil unearthed in China reveals a 150-million-year-old bird that weighed around 800 grams. For millions of years, the evolution of flight has been the story of birds. But a remarkable fossil from southeastern China suggests some of the earliest birds may have preferred to keep their feet on the ground. The new…
