Heath goanna in Australia (VIDEO) University of Cambridge This video is under embargo. Please login to access this video. Caption Reptiles like the heath goanna act as natural clean-up crews by clearing maggot-ridden animal carcasses from the landscape. Researchers say that boosting populations of native large reptiles like heath goannas is vital in restoring Australia’s ecosystem and the services it supports. Credit Tom Jameson Usage Restrictions With credit 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.