Swamp Wallaby (IMAGE) Edith Cowan University Caption It is critical to understand the role of animals in forest ecosystem health. Credit Todd F Elliott. Credit Todd F Elliott Usage Restrictions This picture may only be used in association with this research with appropriate caption and credit. 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.