Caihong juji (IMAGE) University of Texas at Austin Caption Caihong juji is a newly described, bird-like dinosaur with an iridescent, rainbow crest. It lived in China about 161 million years ago, and may have used its impressive feathers to attract mates. Credit Illustration by Velizar Simeonovski for The University of Texas at Austin Jackson School of Geosciences. Usage Restrictions credit 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.