Chimpanzee (IMAGE) Wildlife Conservation Society Caption Chimpanzee populations have remained relatively stable in protected areas but have been lost outside of parks as forests have been cleared. Credit A. Plumptre/WCS Usage Restrictions None 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.