title: Sex differences in chimpanzees' use of sticks as play objects resemble those of children.
authors.forename: Sonya M
authors.initials: SM
authors.lastname: Kahlenberg
authors.forename: Richard W
authors.initials: RW
authors.lastname: Wrangham
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D002679:Pan troglodytes / Q000502:physiology*; D010988:Play and Playthings; D012727:Sex Characteristics