Sthenurine Kangaroo (IMAGE) PLOS Caption This is a recreation of the giant, potentially hop-less, extinct Sthenurine kangaroo. Credit Janis <i>et al.</i> Usage Restrictions CC-BY 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.