Scientists described two fossilized birds from the Jurassic period in a recent article published in the journal Nature on Wednesday, marking a "historic" discovery. Unearthed in the Zhenghe region ...

Its short tail ends in a compound bone called the pygostyle, a feature uniquely present in modern birds. This indicates that the body structure of modern birds emerged in the Late Jurassic Period ...

The study pushes back the appearance of an important avian feature, represented by the pygostyle, by nearly 20 million years. The fossil, discovered in November 2023, was identified as a bird ...