The Feathered Dinosaur <i>Microraptor</i> (IMAGE) University of Southampton Caption Meet the ancestors: The feathered dinosaur Microraptor pounces on a nest of primitive birds (Sinornis). Both species lived during the Cretaceous Period (~120 million years ago) in what is now northern China. Credit Brian Choo. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.