, Volume 54, Issue 4, pp 315–317 | Cite as

Wild chimpanzees can perform social grooming and social play behaviors simultaneously

  • Masaki ShimadaEmail author
News and Perspectives


Reliable evidence was obtained of the simultaneous performance of social grooming and social play behaviors by individuals among wild chimpanzees of the M group in Mahale Mountains National Park. I observed three cases of this performance: in an old female, a young female, and an adult male. While the agent was grooming the back of an adult bimanually, an infant or a juvenile approached the agent. The agent then started playing with the infant/juvenile using only the right hand, while simultaneously grooming the back of the adult with the left hand. In one case, an old female continued the simultaneous performance for about 1 min. Such performances probably occur at low frequency because they are not often required. The similarity in the neurobiological bases and the functions of social grooming and social play behaviors, both of which include repetitive contact with the body of another individual, may facilitate their simultaneous performance.


Social grooming Social play Multitasking Chimpanzee Mahale Mountains National Park 



I thank the Tanzania Commission for Science and Technology (COSTECH), Tanzania National Parks (TANAPA), Tanzania Wildlife Research Institute (TAWIRI), Mahale Mountains National Park (MMNP), and Mahale Mountains Wildlife Research Centre (MMWRC) for permission to do research in Mahale. This study was funded by a MEXT Grant-in-Aid (KAKENHI) (21820064, 24720399 to Shimada M, and 19255008 to the late Nishida T).

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  1. Altmann J (1974) Observational study of behavior: sampling methods. Behaviour 49:227–267PubMedCrossRefGoogle Scholar
  2. Boccia ML, Reite M, Laudenslager M (1989) On the physiology of grooming in a pigtail macaque. Physiol Behav 45(3):667–670PubMedCrossRefGoogle Scholar
  3. Burghardt GM (2005) The genesis of animal play: testing the limits. MIT Press, CambridgeGoogle Scholar
  4. Corp N, Byrne RW (2002) The ontogeny of manual skill in wild chimpanzees: evidence from feeding on the fruit of Saba florida. Behaviour 139:137–168CrossRefGoogle Scholar
  5. Dunbar RIM (1991) Functional significance of social grooming in primates. Folia Primatol 57:121–131CrossRefGoogle Scholar
  6. Dunbar RIM (2010) The social role of touch in humans and primates: behavioural function and neurobiological mechanisms. Neurosci Biobehav Rev 34:260–268PubMedCrossRefGoogle Scholar
  7. Goodall J (1986) The Chimpanzees of Gombe. Harvard University Press, CambridgeGoogle Scholar
  8. Graves FC, Wallen K, Mestripieri D (2002) Opioids and attachment in rhesus macaque abusive mothers. Behav Neurosci 116:489–493PubMedCrossRefGoogle Scholar
  9. Hopkins WD, Russell JL, Remkus M, Freeman H, Schapiro SJ (2007) Handedness and grooming in Pan troglodytes: comparative analysis between findings in captive and wild individuals. Int J Primatol 28:1315–1326CrossRefGoogle Scholar
  10. Marchant LF, McGrew WC (1996) Laterality of limb function in wild chimpanzees of Gombe National Park: comprehensive study of spontaneous activities. J Hum Evol 30:427–443CrossRefGoogle Scholar
  11. Merrick NJ (1977) Social grooming and play behavior of a captive group of chimpanzees. Primates 18:215–224CrossRefGoogle Scholar
  12. Nishida T (1990) The chimpanzees of the Mahale Mountains: sexual and life history strategies. University of Tokyo Press, TokyoGoogle Scholar
  13. Nishida T (2012) Chimpanzees of the lakeshore. Cambridge University Press, CambridgeGoogle Scholar
  14. Nishida T, Zamma K, Matsusaka T, Inaba A, McGrew WC (2010) Chimpanzee behavior in the wild: an audio-visual encyclopedia. Springer, TokyoCrossRefGoogle Scholar
  15. Palagi E, Cordoni G, Borgognini Tarli SM (2004) Immediate and delayed benefits of play behaviour: new evidence from chimpanzees (Pan troglodytes). Ethology 110(12):949–962CrossRefGoogle Scholar
  16. Savage-Rumbaugh S (1991) Multi-tasking: the Pan-human rubicon. Semin Neurosci 3(5):417–422CrossRefGoogle Scholar
  17. Schino G, Scucchi S, Maestripieri D, Turillazzi PG (1988) Allogrooming as a tension-reduction mechanism: a behavioral approach. Am J Primatol 16(1):43–50CrossRefGoogle Scholar
  18. Shimada M (2013) Dynamics of the temporal structures of playing clusters and cliques among wild chimpanzees in Mahale Mountains National Park. Primates 54 (3): online firstGoogle Scholar
  19. Terry RL (1970) Primate grooming as a tension reduction mechanism. J Psychol Interdiscip Appl 76(1):129–136CrossRefGoogle Scholar
  20. Trezza V, Baarendse PJJ, Vanderschuren LJMJ (2010) The pleasures of play: pharmacological insights into social reward mechanisms. Trends Pharmacol Sci 31(10):463–469PubMedCrossRefGoogle Scholar
  21. Vanderschuren LJMJ (2010) How the brain makes play fun. Am J Play 2(3):315–337Google Scholar
  22. Zamma K (2011) Frequency of removal movements during social versus self-grooming among wild chimpanzees. Primates 52(4):323–328Google Scholar

Copyright information

© Japan Monkey Centre and Springer Japan 2013

Authors and Affiliations

  1. 1.Department of Animal SciencesTeikyo University of ScienceUenoharaJapan

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