Adult Male Chimp in Ugandan Ironwood Tree (IMAGE) PLOS Caption "Charles" (an adult male chimp) is sitting in a C. alexandri tree. Credit David Samson Usage Restrictions David Samson 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.