patrol, respond to neighboring unit group and transfer. intervene Exert influence on agonistic interaction such as quarrel between two or more others by approach, threat or aggression. Goodalls Interference: Intervention in which a third individual prevents or tries to prevent an interaction between two others. Intervener may be partial or impartial. Also in bonobos. Includes interfere and support. See video. intervene to separate 103 intervene to separate Alpha male charges at rival male and third male who are grooming each other or sitting together, apparently to prevent formation or development of coalition between them. de Waals Separating intervention. See also Nishida and Hosaka. Absent in bonobos, but dominant individual thrust torso, or arm between grooming pair to take over grooming. See video. intimidate See threaten. intrude Wrangham Deep