Group-specific expressions of co-feeding tolerance in bonobos and chimpanzees preclude dichotomous species generalizations Universiteit Antwerpen Koninklijke Maatschappij voor Dierkunde van Antwerpen
Bonobos are typically portrayed as more socially tolerant than chimpanzees, yet the current evidence supporting such a species-level categorization is equivocal. Here, we used validated group-level co-feeding assays to systematically test expressions of social tolerance in sixteen groups of zoo-and sanctuary housed bonobos and chimpanzees. We found that co-feeding tolerance substantially overlaps between the species, thus precluding categorical ...