“Stone‐grooming” in Macaca fuscata

  title={“Stone‐grooming” in Macaca fuscata},
  author={Sue M. Weinberg and Douglas K. Candland},
  journal={American Journal of Primatology},
During study of mother‐infant interactions of Macaca fuscata, a low‐ranking female was observed to use a stone to groom her infant. At times a twig or piece of chow was used in the same fashion. The grooming involved a circular movement of the object around the infant's eye. The use of the stone appears to fit recent definitions of tool‐use. Suggestions are offered regarding the functions of this occasional behavior; however, because of the rarity of its occurrence no conclusion is offered. 
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  • Biology, Medicine
  • American journal of primatology
  • 1988
Stone‐grooming appears to be a distinct type of grooming although the function(s) of this behavior remains unclear, and the use of a stone in grooming may represent a case of tool use. Expand
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  • K. Hall
  • Psychology
  • Current Anthropology
  • 1963
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