title: Variable grooming behaviours in wild chimpanzees.
authors.affiliation: Department of Zoology, Graduate School of Science, Kyoto University, Sakyo, Kyoto, Japan. nishida@jinrui.zool.kyoto-u.ac.jp
authors.forename: Toshisada
authors.initials: T
authors.lastname: Nishida
authors.forename: John C
authors.initials: JC
authors.lastname: Mitani
authors.forename: D P
authors.initials: DP
authors.lastname: Watts
mesh_terms: D000819:Animal Communication; D000818:Animals; D006120:Grooming / Q000502:physiology*; D002679:Pan troglodytes / Q000502:physiology*; D013018:Sound Spectrography; D013636:Tanzania; D014454:Uganda; D014741:Video Recording