Female Bonding, Chimpanzee-Style (IMAGE) Duke University Caption Chema and Rumumba, two low-ranking immigrant female chimpanzees, take turns grooming each other in Gombe National Park, Tanzania. A Duke study finds that low-ranking female chimps prefer to socialize with other females of similar status. Credit Photo by Kara Schroepfer-Walker, Duke University 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.