The Smell of Carrion (Holtz) (IMAGE) University of Maryland Caption New research from UMD shows ecology changed for tyrannosaurs as they grew up. Slender, agile young tyrannosaurs (left) hunted different prey and did so in a different fashion than the much larger, powerful jawed adults (right). Credit Image credit: Zubin Erik Dutta. Usage Restrictions Please credit Zubin Erik Dutta 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.