Global Mammal Diversity (IMAGE) Arizona State University Caption The tropics and subtropics cradle the vast majority of the world's remaining large mammals. Credit John Rowan Usage Restrictions Image for use in illustration of this research 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.