Swamp wallaby in experimental set-up (IMAGE) University of Sydney Caption Australian swamp wallaby sniffing unpalatable plant and ignoring eucalypt seedling. Kuringai National Park, Sydney, Australia. Credit Patt Finnerty/The University of Sydney Usage Restrictions this story only License Original 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.