Shared grooming among bonobos (IMAGE) Harvard University Caption Shared grooming among bonobos is indicative of their group dynamics, which includes tolerance and cooperation. Credit Courtesy of Martin Surbeck Usage Restrictions Credit must be given to the creator. License CC BY 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.