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Chimpanzees without borders

 E-Mail IMAGE: Chimpanzee dung samples were collected across Africa to determine if populations were recently connected despite historical barriers to gene flow. view more  Credit: © PanAf Researchers from the Pan African Programme: The Cultured Chimpanzee (PanAf) at the Max Planck Institute for Evolutionary Anthropology (MPI-EVA) and a team of international researchers, collected over 5000 fecal samples from 55 sites in 18 countries across the chimpanzee range over 8 years. This is by far the most complete sampling of the species to date, with a known location of origin for every sample, thus addressing the sampling limitations of previous studies. Collecting these samples was often a daunting task for our amazing field teams. The chimpanzees were almost all unhabituated to human presence, so it took a lot of patience, skill and luck to find chimpanzee dung at each of the sites, explains Mimi Arandjelovic, co-director of the PanAf and senior author of the study.

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