Platypus on Brink of Extinction (1 of 3) (IMAGE) University of New South Wales Caption UNSW Sydney's Centre for Ecosystem Science leads new research into the extinction risk of the platypus. Credit Tahnael Hawke Usage Restrictions For use with this story only. 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.