Tree-Climbing Crocodiles (image) University of Tennessee at Knoxville Share Print E-Mail Caption An American alligator perches on a tree branch in Pearl River Delta, Mississippi. Credit Kristine Gingras with permission. Usage Restrictions None Share Print E-Mail 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.