Southern Leopard Frog (IMAGE) University of Georgia Caption The southern leopard frog population is more tolerant of copper contamination than the southern toad, but both species are in danger from both climate change and copper contamination, according to a study from the University of Georgia's Savannah River Ecology Laboratory. Credit David E. Scott/University of Georgia Usage Restrictions The image may only be used with appropriate 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.