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Item #604

Young female chimpanzees use sticks to facilitate play-mothering, which lasts until motherhood; young male chimpanzees do not exhibit such behavior

Topic: Dimorphism

Source

Citation: Sex differences in chimpanzees’ use of sticks as play objects resemble those of children

Author(s): Kahlenberg, Wrangham

Institution(s): Bates College, Harvard University

Link: http://www.cell.com/current-biology/abstract/S0960-9822(10)01449-1?_returnURL=http%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982210014491%3Fshowall%3Dtrue

Nation(s): international

Year(s): 2010

Source: Primary

Type: Behavioral Experiment

Discussion

Objections/Rebuttals:

Pretty small sample size