two young adult males of Mahale in 1992, but done also by three adult or adolescent females in 1995. See video. groom, polyadic Simultaneously, three or more individuals groom in tandem or mutually. See Nakamura. See video. groom reciprocally Goodall Reciprocal grooming. Two chimpanzees alternately groom each other. Most common type of social grooming among adults. Common in chimpanzees and bonobos. See video. G groom self Goodall Self groom, Plooijs Self-groom, van Hooffs Autogroom. Kanos Self-groom for bonobos. See video. groom unilaterally Goodall Unilateral grooming. Groom another without reciprocation. Kanos Unilateral grooming for bonobos. See video. groom with mouth Use lips and teeth to remove items when grooming, especially from face. Also in bonobos. See video. groom wound Groom wound of another individual. Cf. inspect wound. 3. See