Publications

bergPatterson, S., A. Sandel, J. Miller, and J.C. Mitani. in press. Data quality and the comparative method: the case of primate group size. International Journal of Primatology

Wilson, M., C. Boesch, T. Furuichi, I. Gilby, C. Hashimoto, C. Hobaiter, G. Hohmann, N. Itoh, K. Koops, J. Lloyd, T. Matsuzawa, J. C. Mitani, D. Mjungu, D. Morgan, R. Mundry, M. Muller, M. Nakamura, J. Pruetz, A. Pusey, J. Riedel, C. Sanz, A. Schel, N. Simmons, M. Waller, D. Watts, F. White,R. Wittig, K. Zuberbühler, and R. Wrangham. in press.Lethal aggression in Pan is better explained by adaptive strategies than human impacts. in press. Nature

Sarringhaus, L., L. MacLatchy, and J.C. Mitani. 2014.Locomotor and postural development of wild chimpanzees. Journal of Human Evolution 66: 29-38.

Langergraber, K., J.C. Mitani, D. Watts, and L. Vigilant. 2013. Male-female socio-spatial relationships and reproduction in wild chimpanzees. Behavioral Ecology and Sociobiology 67: 861-873.

Nakamura, M., N. Corp, M. Fujimoto, S. Fujita, S. Hanamura, H. Hayak, K. Hosaka, M. Huffman, A. Inaba, E. Inoue, N. Itoh, N. Kutsukake, M. Kiyono-Fuse, T. Kooriyama, L. Marchant, A. Matsumoto-Oda, T. Matsusaka, W. McGrew, J.C. Mitani, H. Nishie, K. Norikoshi, T. Sakamaki, M. Shimada, L. Turner, J. Wakibara, and K. Zamma. in press. Ranging behavior of the Mahale chimpanzees: a 16 year study. 2013. Primates 54: 117-182.

Carlson, B., J. Rothman, and J.C. Mitani. 2013. Diurnal variation in nutrients and chimpanzee foraging behavior.  American Journal of Primatology. 75:342-349.

Sobolewski, M., J. Brown, and J.C. Mitani. 2013. Female parity, male aggression, and the challenge hypothesis in wild chimpanzees. Primates 54: 81-88.

Langergraber, K., K. Prüfer, C. Rowney, C. Boesch, C. Crockford, K. Fawcett, E. Inoue, M. Inoue-Muruyama, J.C. Mitani, M. Muller, M. Robbins, G. Schubert, T. Stoinski, D. Watts, R. Wittig, R. Wrangham, K. Zuberbühler, S. Pääbo, and L. Vigilant. 2012. Generation times in wild chimpanzees and gorillas suggest earlier divergence times in great ape and human evolution. Proceedings of the National Academy of Sciences 109: 15716-15721.

Mitani, J.C., J. Call, P. Kappeler, R. Palombit, and J. Silk. 2012. The Evolution of Primate Societies. Chicago: University of Chicago Press.

Sobolewski, M., J. Brown, and J.C. Mitani. 2012.Territoriality, tolerance, and testosterone in wild chimpanzees. Animal Behaviour 84: 1469-1474.

Watts, D., K. Potts, J. Lwanga, and J.C. Mitani. 2012. Diet of chimpanzees (Pan troglodytes schweinfürthii) at Ngogo, Kibale National Park, Uganda. I. Diet composition and diversity. American Journal of Primatology 74: 114-129.

Watts, D., K. Potts, J. Lwanga, and J.C. Mitani. 2012. Diet of chimpanzees (Pan troglodytes schweinfürthii) at Ngogo, Kibale National Park, Uganda. II. Temporal variation and fallback foods. American Journal of Primatology 74: 130-144.

Langergraber, K., C. Boesch, E. Inoue, M. Inoue-Muruyama, J.C. Mitani, T. Nishida, A. Pusey, V. Reynolds, G. Schubert, R. Wrangham, E. Wroblewski, and L. Vigilant. 2011. Genetic and ‘cultural’ similarity in wild chimpanzees. Proceedings of the Royal Society, B Biological Sciences. 278: 408-416.

Lwanga, J., T. Struhsaker, P. Struhsaker, T. Butynski, and J.C. Mitani. 2011. Primate population dynamics over 32.9 years at Ngogo, Kibale National Park, Uganda. American Journal of Primatology 73: 997 – 1011.

Trautmann, T., G. Feeley-Harnik, and J.C. Mitani. 2011. Deep kinship. In Deep History: The Architecture of Past and Present.edited by A. Shryock and D. Smail. pp. 160-188. Berkeley: University of California Press.

Mitani, J.C. 2010. Chimpanzees. In Encyclopedia of Animal Behavior. Volume 1. Edited by M. Breed and J. Moore. pp. 267-273. Oxford: Academic Press.

Mitani, J.C., S. Amsler, and M. Sobolewski. 2010. Chimpanzee minds in nature. In The Chimpanzee Mind. edited by E. Lonsdorf, S. Ross and T. Matsuzawa. Chicago: University of Chicago Press.

Mitani, J.C. , D. Watts, S. Amsler. 2010. Lethal intergroup aggression leads to territorial expansion in wild chimpanzees.Current Biology 20: R507-R508.

Mitani, J.C. 2009. Cooperation and competition in chimpanzees: Current understanding and future challenges. 2009. Evolutionary Anthropology 18: 215-227.

Langergraber, K., J.C. Mitani, L. Vigilant. 2009. Kinship and social bonds in female chimpanzees (Pan troglodytes). American Journal of Primatology 71: 840-851.

Pika, S. and J.C. Mitani. 2009. The directed scratch: evidence for a referential gesture in chimpanzees? In The Prehistory of Language.edited by R. Botha and C. Knight. pp. 166-180. Oxford: Oxford University Press.

Mitani, J.C. 2009. Male chimpanzees form enduring and equitable social bonds. Animal Behaviour 77: 633-640.

Mitani, J.C. 2008. Chimpanzee behavior: There’s no place like home.Current Biology, 18: R166-R167.

Liu, W., M. Worobey, B. Keele, F. Bibollet-Ruche, P. Goepfert, M. Santiago, J. Ndjango, C. Neel, S. Clifford, C. Sanz, S. Kamenya, M. Wilson, A. Pusey, N. Gross-Camp, C. Boesch, V. Smith, K. Zamma, M. Huffman, J. C. Mitani, D. Watts, M. Peeters, G. Shaw, W. Switzer, P. Sharp and B. Hahn. 2008. Molecular Ecology and Natural History of Simian Foamy Virus Infection in Wild-living Chimpanzees. PLoS Pathogens 4: e1000097.

Langergraber, K., H. Siedel, J.C. Mitani, R. Wrangham, V. Reynolds, K. Hunt, and L. Vigilant. 2007. The genetic signature of sex-biased migration in chimpanzees and humans. PLoS ONE 2: e973.

Langergraber, K., J.C. Mitani, and L. Vigilant. 2007. The limited impact of kinship on cooperation in wild chimpanzees. Proceedings of the National Academy of Sciences, 104: 7786-7790.

Matsumoto-Oda, A., M. Hamai, H. Hayaki, K. Hosaka, K. Hunt, E. Kasuya, K. Kawanaka, J.C. Mitani, H. Takasaki, and Y. Takahata. 2007. Estrous cycle asynchrony in wild female chimpanzees, Pan troglodytes schweinfurthiiBehavioral Ecology and Sociobiology 61: 661-668.

Pobiner, B., J. deSilva, W. Sanders, and J.C. Mitani. 2007. Taphonomic analyses of a bone assemblage from chimpanzee hunting at Ngogo, Kibale National Park, Uganda. Journal of Human Evolution52:614-636.

Mitani, J.C. 2006. Demographic influences on the behavior of chimpanzees. Primates 47:6-13. PDF

Mitani, J.C. 2006. Reciprocal exchange in chimpanzees and other primates. In Cooperation in Primates: Mechanisms and Evolution. Edited by P. Kappeler and C. van Schaik. Heidelberg: Springer-Verlag. pp. 101-113

Mitani, J.C., W. McGrew, and R. Wrangham. 2006. Toshisada Nishida’s contributions to primatology. Primates 47: 2-5. PDF

Pika, S. and J.C. Mitani. 2006. Referential gestural communication in wild chimpanzees (Pan troglodytes)Current Biology 16: R191-R192. PDF

Trapani, J., W. Sanders, J.C. Mitani, and A. Heard. 2006. Precision and consistency of the taphonomic signature of predation by crowned hawk eagles (Stephanoaetus coronatus) in Kibale National Park, Uganda. Palaios 21: 114-131. PDF

Watts, D., M. Muller, S. Amsler, G. Mbabazi, J.C. Mitani. 2006. Lethal intergroup aggression by chimpanzees in the Kibale National Park, Uganda. American Journal of Primatology 68: 161-180. PDF

Yamagiwa, J., J.C. Mitani, and T. Nishida. 2006. Introduction to the International Symposium on African Great Apes. Primates 47: 1.

Mitani, J.C. 2005. Chimpanzee behavior. In McGraw-Hill 2005 Yearbook of Science and Technology. pp. 46-48. New York: McGraw-Hill.

Mitani, J.C. and D. Watts. 2005. Correlates of territorial boundary patrol behavior in wild chimpanzees. Animal Behaviour 70: 1079-1086. PDF

Mitani, J.C. and D. Watts. 2005. Seasonality in Hunting by Nonhuman Primates. In Primate Seasonality: Implications for Human Evolution. edited by D. Brockman & C. van Schaik. pp. 215-242. Cambridge: Cambridge University Press.

Muller, M. and J.C. Mitani. 2005. Conflict and cooperation in wild chimpanzees. In Advances in the Study of Behavior. Edited by P.J.B. Slater, J. Rosenblatt, C. Snowdon, T. Roper, M. Naguib. pp. 275-331. New York: Elsevier. PDF

Nishida, T., J.C. Mitani, and D. Watts. 2004. Variable grooming behaviors in wild chimpanzees. Folia Primatologica 75: 31-36. PDF

Mitani, J.C. and S. Amsler. 2003. Social and spatial aspects of male subgrouping in a community of wild chimpanzees. Behaviour140:869-884. PDF

Nishida, T., N. Corp, M. Hamai, T. Hasegawa, M. Hiraiwa-Hasegawa, K. Hosaka, K. Hunt, N. Itoh, K. Kawanaka, A. Matsumoto-Oda, J. C.Mitani, M. Nakamura, K. Norikoshi, T. Sakamaki, L. Turner, S. Uehara, and K. Zamma. 2003. Demography, female life history and reproductive profiles among the chimpanzees of Mahale. American Journal of Primatology 59:99 ? 121. PDF

Sanders, W., J. Trapani and J.C. Mitani. 2003. Taphonomic aspects of crowned-hawk eagle predation on monkeys. Journal of Human Evolution 44:87-105. PDF

Mitani, J.C., D. Watts, J. Pepper and D.A. Merriwether. 2002. Demographic and social constraints on male chimpanzee behaviour.Animal Behaviour 63: 727-737. PDF

Mitani, J.C., D. Watts, and J. Lwanga. 2002. Ecological and social correlates of chimpanzee party size and composition. Behavioral Diversity in Chimpanzees and Bonobos. edited by C. Boesch, G. Hohmann and L. Marchant. pp. 102-111. Cambridge: Cambridge University Press.

Mitani, J.C., D. Watts, and M. Muller. 2002. Recent developments in the study of wild chimpanzee behavior. Evolutionary Anthropology11: 9-25. PDF

Watts, D. and J.C. Mitani. 2002. Hunting behavior of chimpanzees at Ngogo, Kibale National Park, Uganda. International Journal of Primatology 23: 1-28. PDF

Watts, D., J.C. Mitani, and H. Sherrow. 2002. New cases of inter-community infanticide by male chimpanzees at Ngogo, Kibale National Park, Uganda. Primates 43: 263-270.

Watts, D. and J.C. Mitani. 2002. Hunting and meat sharing by chimpanzees at Ngogo, Kibale National Park, Uganda. Behavioral Diversity in Chimpanzees and Bonobos. edited by C. Boesch, G. Hohmann and L. Marchant. pp. 244-255. Cambridge: Cambridge University Press.

Mitani, J.C. and D. Watts. 2001. Why do chimpanzees hunt and share meat? Animal Behaviour 61: 915-924. PDF

Mitani, J.C., W. Sanders, J. Lwanga, T. Windfelder. 2001. Predatory behavior of crowned-hawk eagles in the in Kibale National Park, Uganda. Behavioral Ecology and Sociobiology 49: 187-195. PDF

Watts, D. and J.C. Mitani. 2001. Boundary patrols and intergroup encounters in wild chimpanzees. Behaviour 138: 299-327. PDF

Mitani, J.C., D. A. Merriwether, and C. Zhang. 2000. Male affiliation, cooperation, and kinship in wild chimpanzees. Animal Behaviour59:885-893. PDF

Mitani, J.C., T. Struhsaker, and J. Lwanga. 2000. Primate community dynamics in old growth forest over 23.5 years at Ngogo, Kibale National Park, Uganda: implications for conservation and census methods. International Journal of Primatology 21:269-286. PDF

Watts, D. and J.C. Mitani. 2000. Infanticide and cannibalism by male chimpanzees at Ngogo, Kibale National Park, Uganda. Primates 41: 357-365.

Mitani, J.C. and D. Watts. 1999. Demographic influences on the hunting behavior of chimpanzees. American Journal of Physical Anthropology 109: 439-454. PDF

Mitani, J.C., K. L. Hunley, and M.E. Murdoch. 1999. Geographic variation in the calls of wild chimpanzees: A re-assessment.American Journal of Primatology 47: 133-152. PDF

Pepper, J., J.C. Mitani, and D. Watts. 1999. General gregariousness and specific social preferences among wild chimpanzees.International Journal of Primatology 20: 613-632.

Mitani, J.C. and J. Gros-Louis. 1998. Chorusing and call convergence in chimpanzees: Tests of three hypotheses. Behaviour 135: 1041-1064.

Mitani, J.C. and J. Stuht. 1998. The evolution of nonhuman primate loud calls: acoustic adaptation for long-distance propagation.Primates 39:171-182.

Mitani, J.C. and D. Watts. 1997. The evolution of non-maternal caretaking in anthropoid primates: Do helpers help? Behavioral Ecology and Sociobiology 40:213-220. PDF

Mitani, J.C. 1996. Comparative field studies of African ape vocal behavior. In Great Ape Societies. edited by W. McGrew, L. Marchant, and T. Nishida. pp. 241-254. Cambridge: Cambridge University Press.

Mitani, J.C., J. Gros-Louis, and J. Macedonia. 1996. Selection for acoustic individuality within the vocal repertoire of wild chimpanzees.International Journal of Primatology 17: 569-583.

Mitani, J.C., J. Gros-Louis, and J. Manson. 1996. The number of males in primate groups: Comparative tests of competing hypotheses. American Journal of Primatology 38: 315-332.

Mitani, J.C., J. Gros-Louis, A. Richards. 1996. Sexual dimorphism, the operational sex ratio, and the intensity of male competition among polygynous primates. American Naturalist 147: 966-980.

Mitani, J.C. and J. Gros-Louis. 1995. Species and sex differences in the screams of chimpanzees and bonobos. International Journal of Primatology. 16: 393-411.

Mitani, J.C. 1994. Ethological studies of chimpanzee vocal behavior. In Chimpanzee Cultures. edited by R. Wrangham, W. McGrew, F. DeWaal and P. Heltne. pp. 195 – 210. Cambridge: Harvard University Press.

Mitani, J.C. and K. Brandt. 1994. Social factors influence the acoustic variability in the long-distance calls of male chimpanzees. Ethology96:233-252.

Mitani, J.C. and T. Nishida. 1993. Contexts and social correlates of long distance calling by male chimpanzees. Animal Behaviour 45: 735-746. PDF

Mitani, J.C. 1992. Singing behavior of male gibbons: field observations and experiments. In Topics in Primatology. Volume 1. Human Origins edited by T. Nishida, W. McGrew, P. Marler, M. Pickford and F. DeWaal. pp. 199-210. Tokyo: University of Tokyo Press.

Mitani, J.C., T. Hasegawa, J. Gros-Louis, P. Marler, and R. Byrne. 1992. Dialects in wild chimpanzees? American Journal of Primatology27: 233-243.

Uehara, S., T. Nishida, M. Hamai, T. Hasegawa, H. Hayaki, M. Huffman, K. Kawanaka, S. Kobayashi, J. Mitani, Y. Takahata, H. Takasaki, T. Tsukahara, 1992. Characteristics of predation by the chimpanzees in the Mahale Mountains National Park, Tanzania. InTopics in Primatology. Volume 1. Human Origins edited by T. Nishida, W. McGrew, P. Marler, M. Pickford and F. DeWaal. pp. 143-158. Tokyo: University of Tokyo Press.

Mitani, J.C., G.F. Grether, P.S. Rodman, and D. Priatna. 1991. Associations among wild orangutans: sociality, passive aggregations or chance? Animal Behaviour 42:33-46.

Mitani, J.C. 1990. Demography of agile gibbons (Hylobates agilis).International Journal of Primatology 11:409-422.

Mitani, J.C. 1990. Experimental field studies of Asian ape social systems. International Journal of Primatology 11:103-126.

Mitani, J.C. 1989. Orangutan activity budgets: monthly variations and the effects of bodysize, parturition and sociality. American Journal of Primatology 18: 87-100.

Nowicki, S., J. C. Mitani, D. A. Nelson and P. Marler. 1989. The communicative significance of tonality in birdsong: responses to songs produced in helium. Bioacoustics 2:35-46.

Mitani, J. C. and P. Marler. 1989. A phonological analysis of male gibbon singing behavior. Behaviour 109.5: 20-45.

Mitani, J. C. 1988. Male gibbon singing behavior (Hylobates agilis): Natural history, song variations and function. Ethology 79:177-194.

Marler, P. and J.C. Mitani. 1988. Vocal communication in primates and birds: parallels and contrasts. In Primate Vocal Communication.

Eudey, A, D. Lindburg, C. Groves, V. Weitzel, E. Bennett, M. Kavanagh, T. Maruhashi, P. Rodman and J.C. Mitani. 1987. Asian primates ? An examination of major problem areas. International Journal of Primatology 8: 410.

Mitani, J.C. 1987. Territoriality and monogamy among agile gibbons (Hylobates agilis). Behavioral Ecology and Sociobiology 20: 265-269.

Mitani, J.C. 1987. Species discrimination of male song in gibbons.American Journal of Primatology 13: 413-423.

Rodman, P.S. and J.C. Mitani. 1987. Orangutans: sexual dimorphism in a solitary species. In Primate Societies. edited by B. Smuts, D. Cheney, R. Seyfarth, R. Wrangham and T. Struhsaker. pp. 145-154. Chicago: University of Chicago Press.

Berenstain, L., J.C. Mitani, and R. Tenaza. 1986. Effects of El Nino on habitat and primates in East Kalimantan. Primate Conservation 7:54-55.

Mitani, J.C. 1985. Sexual selection and adult male orangutan long calls. Animal Behaviour 33: 272-283.

Mitani, J.C. 1985. Mating behavior of male orangutans in the Kutai Game Reserve, Indonesia. Animal Behaviour 33: 392-402.

Mitani, J.C. 1985. Gibbon song duets and intergroup spacing.Behaviour 92:59-96.

Mitani, J.C. 1985. Responses of gibbons (Hylobates muelleri) to self, neighbor and stranger song duets. International Journal of Primatology 6: 193-200.

Mitani, J.C. 1985. Location-specific responses of gibbons (Hylobates muelleri) to male songs. Zeitschrift f¸r Tierpsychologie 70: 219-224.

Mitani, J.C. 1984. The behavioral regulation of monogamy in gibbons (Hylobates muelleri). Behavioral Ecology and Sociobiology 15: 225-229.

Mitani, J.C. and P.S. Rodman. 1979. Territoriality: The relationship of ranging pattern and home range size to defendability, with an analysis of territoriality in primates. Behavioral Ecology and Sociobiology 5: 241-251.