Wirri-Wirri the Koala (IMAGE) Forschungsverbund Berlin Caption This is a Koala in Zoo Vienna. Credit Zoo Vienna, Daniel Zupanc Usage Restrictions In relation to this press release 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.