Young Female Orangutan (IMAGE) Max-Planck-Gesellschaft Caption Padana, a young female orangutan at the Leipzig Zoo, who was one of the research subjects. Credit Image: Knut Finstermeier, MPI for Evolutionary Anthropology 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.