Eastern Gray Kangaroo and Joey (IMAGE) University of Melbourne Caption This is an eastern gray kangaroo and joey. Credit Dr Graeme Coulson, Department of Zoology, University of Melbourne. 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.