Video example from “Group and kin recognition via olfactory cues in chimpanzees (Pan troglodytes)”

2018-10-08T14:53:46Z (GMT) by Stefanie Henkel Joanna M. Setchell
This video shows the behavioural responses towards outgroup urine (left), ingroup urine (middle) and an unscented control (right, not visible) of test subject Frederike (Chimpanzee group B) at Leipzig Zoo.