Aiello, L. C. and Wheeler, P. (1995). The expensive tissue hypothesis. Current Anthropology, 36, 199–221.CrossRefGoogle Scholar

Bloomsmith, M. A., Kuhar, C., Baker, K., et al. (2003). Primiparous chimpanzee mothers: behavior and success in a short-term assessment of infant rearing. Applied Animal Behaviour Science, 84, 235–50.CrossRefGoogle Scholar

Boesch, C. (1997). Evidence for dominant wild female chimpanzees investing more in sons. Animal Behaviour, 54, 811–15.CrossRefGoogle ScholarPubMed

Boesch, C. and Boesch-Achermann, H. (2000). The Chimpanzees of the Taï Forest: Behavioural Ecology and Evolution. Oxford: Oxford University Press.CrossRefGoogle Scholar

Bogin, B. (1997). Evolutionary hypotheses for human childhood. Yearbook of Physical Anthropology, 40, 63–89.3.0.CO;2-8>CrossRefGoogle Scholar

Bogin, B. and Smith, B. H. (1996). Evolution of the human life cycle. American Journal of Human Biology, 8, 703–16.3.0.CO;2-U>CrossRefGoogle ScholarPubMed

Gavan, J. A. (1953). Growth and development of the chimpanzee: a longitudinal and comparative study. Human Biology, 25, 93–143.Google ScholarPubMed

Goodall, J. (1983). Population dynamics during a 15 year period in one community of free-living chimpanzees in the Gombe National Park, Tanzania. Zeitschrift für Tierpsychologie, 61, 1–60.CrossRefGoogle Scholar

Goodall, J. (1986). The Chimpanzees of Gombe: Patterns of Behavior. Cambridge, MA: Belknap.Google Scholar

Goodall, J. and Athumani, J. (1980). An observed birth in a free-living chimpanzee (Pan troglodytes schweinfurthii) in Gombe National Park, Tanzania. Primates, 21, 545–9.CrossRefGoogle Scholar

Hamada, Y., Udono, T., Teramoto, M., and Sugawara, T. (1996). The growth pattern of chimpanzees: somatic growth and reproductive maturation in Pan troglodytes. Primates, 37, 279–95.CrossRefGoogle Scholar

Hasegawa, T. (1987). [Sexual Behavior of Wild Chimpanzees: A Comparative Psychological Study.] Doctoral Dissertation. Tokyo: The University of Tokyo. In Japanese.Google Scholar

Hasegawa, T. (1991). [Sexual behavior of wild chimpanzees.] In [The Cultural History of Primates], ed. Nishida, T., Izawa, K., and Kano, T.. Tokyo: Heibon-sha, pp. 371–80. In Japanese.Google Scholar

Hasegawa, T. and Hiraiwa-Hasegawa, M. (1983). Opportunistic and restrictive matings among wild chimpanzees in the Mahale Mountains, Tanzania. Journal of Ethology, 1, 75–85.CrossRefGoogle Scholar

Hayaki, H. (1985). Copulation of adolescent male chimpanzees, with special reference to the influence of adult males, in the Mahale National Park, Tanzania. Folia Primatologica, 44, 148–60.CrossRefGoogle Scholar

Hayaki, H. (1988). Association partners of young chimpanzees in the Mahale Mountains National Park, Tanzania. Primates, 29, 147–61.CrossRefGoogle Scholar

Hayaki, H. (1992). [Grooming partners of young males in a chimpanzee unit-group at the Mahale Mountains National Park, Tanzania.] Bulletin of the Faculty of Humanities and Sciences, Kobe Gakuin University, 4, 83–105. In Japanese.Google Scholar

Hayaki, H., Huffman, M. A., and Nishida, T. (1989). Dominance among male chimpanzees in the Mahale Mountains National Park, Tanzania: a preliminary study. Primates, 30, 187–97.CrossRefGoogle Scholar

Hiraiwa-Hasegawa, M. (1986). [Development and Mother–Infant Relationship of Wild Chimpanzees in Mahale National Park.] Doctoral Dissertation. Tokyo: The University of Tokyo. In Japanese.Google Scholar

Hiraiwa-Hasegawa, M. (1987). Infanticide in primates and a possible case of male-biased infanticide in chimpanzees. In Animal Societies: Theories and Facts, ed. Ito, Y., Brown, J. L., and Kikkawa, J.. Tokyo: Japan Scientific Societies Press, pp.125–39.Google Scholar

Hiraiwa-Hasegawa, M. (1989). Sex differences in the behavioral development of chimpanzees at Mahale. In Understanding Chimpanzees, ed. Heltne, P. G. and Marquardt, L. A.. Cambridge, MA: Harvard University Press, pp. 104–15.Google Scholar

Hiraiwa-Hasegawa, M. (1990a). Maternal investment before weaning. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 257–66.Google Scholar

Hiraiwa-Hasegawa, M. (1990b). A note on the ontogeny of feeding. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 277–83.Google Scholar

Hiraiwa-Hasegawa, M. (1990c). The role of food sharing between mother and infant in the ontogeny of feeding behavior. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 267–75.Google Scholar

Hiraiwa-Hasegawa, M., Hasegawa, T., and Nishida, T. (1984). Demographic study of a large-sized unit-group of chimpanzees in the Mahale Mountains, Tanzania: a preliminary report. Primates, 25, 401–13.CrossRefGoogle Scholar

Kawanaka, K. (1993). Age differences in spatial positioning of males in a chimpanzee unit-group at the Mahale Mountains National Park, Tanzania. Primates, 34, 255–70.CrossRefGoogle Scholar

van Lawick-Goodall, J. (1967). Mother–offspring relationships in free-ranging chimpanzees. In Primate Ethology, ed. Morris, D.. London: Weidenfeld & Nicolson, pp. 287–346.Google Scholar

Lee, P. C. (1996). The meanings of weaning: growth, lactation, and life history. Evolutionary Anthropology, 5, 87–98.3.0.CO;2-T>CrossRefGoogle Scholar

Mason, W. A. (1965). The social development of monkeys and apes. In Primate Behavior: Field Studies of Monkeys and Apes, ed. DeVore, I.. New York: Holt, Rinehart and Winston, pp. 514–43.Google Scholar

Matsumoto-Oda, A. (1995). First record of a twin birth in chimpanzees of the Mahale Mountains National Park, Tanzania. African Study Monographs, 16, 159–64.Google Scholar

Matsumoto-Oda, A. (1997). Self-suckling behaviour by a wild chimpanzee. Folia Primatologica, 68, 342–3.CrossRefGoogle ScholarPubMed

Matsusaka, T. (2003). [Where is my mother? A story of a chimpanzee who got lost.] Mahale Chimpun, 2, 5–6. In Japanese.Google Scholar

Matsusaka, T., Nishie, H., Shimada, M., et al. (2006). Tool-use for drinking water by immature chimpanzees of Mahale: prevalence of an unessential behavior. Primates, 47, 113–22.CrossRefGoogle ScholarPubMed

Nakamura, M. and Nishida, T. (2013). Ontogeny of a social custom in wild chimpanzees: age changes in grooming hand-clasp at Mahale. American Journal of Primatology, 75, 186–96.CrossRefGoogle ScholarPubMed

Nakamura, M. and Nishie, H. (2012). Death of the oldest female at Mahale and some notes about longevity of wild chimpanzees. Pan Africa News, 19, 19–21.CrossRefGoogle Scholar

Nakamura, M., Hayaki, H., Hosaka, K., Itoh, N., and Zamma, K. (2014). Orphaned male chimpanzees die young even after weaning. American Journal of Physical Anthropology, 153, 139–43.CrossRefGoogle ScholarPubMed

Nicolson, N. A. (1977). A comparison of early behavioral development in wild and captive chimpanzees. In Primate Bio-Social Development, ed. Chevalier-Skolnikoff, S. and Poirier, F. E.. New York: Garland, pp. 529–60.Google Scholar

Nishida, T. (1980). The leaf-clipping display: a newly-discovered expressive gesture in wild chimpanzees. Journal of Human Evolution, 9, 117–28.CrossRefGoogle Scholar

Nishida, T. (1983). Alloparental behavior in wild chimpanzees of the Mahale Mountains, Tanzania. Folia Primatologica, 41, 1–33.CrossRefGoogle Scholar

Nishida, T. (1988). Development of social grooming between mother and offspring in wild chimpanzees. Folia Primatologica, 50, 109–23.CrossRefGoogle ScholarPubMed

Nishida, T. (1990). Deceptive behavior in young chimpanzees: An essay. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 285–90.Google Scholar

Nishida, T. (1993). Left nipple suckling preference in wild chimpanzees. Ethology and Sociobiology, 14, 45–51.CrossRefGoogle Scholar

Nishida, T. (1994a). Review of recent findings on Mahale chimpanzees: implications and future research directions. In Chimpanzee Cultures, ed. Wrangham, R. W., McGrew, W. C., de Waal, F. B. M. and Heltne, P. G.. Cambridge MA: Harvard University Press, pp. 373–96.Google Scholar

Nishida, T. (1994b). [Thirty-six Stories of Wild Chimpanzees.] Tokyo: Kinokuniya. In Japanese.Google Scholar

Nishida, T. (2002). [Demography.] In [The Mahale Chimpanzees: 37 Years of <Panthropology>], ed. Nishida, T., Uehara, S., and Kawanaka, K.. Kyoto: Kyoto University Press, pp. 171–202. In Japanese.Google Scholar

Nishida, T. (2003a). Harassment of mature female chimpanzees by young males in the Mahale Mountains. International Journal of Primatology, 24, 503–14.CrossRefGoogle Scholar

Nishida, T. (2003b). Individuality and flexibility of cultural behavior patterns in chimpanzees. In Animal Social Complexity and Intelligence, ed. de Waal, F. B. M. and Tyack, P.. Cambridge MA: Harvard University Press, pp. 392–413.CrossRefGoogle Scholar

Nishida, T. (2012). Chimpanzees of the Lakeshore: Natural History and Culture at Mahale. Cambridge: Cambridge University Press.Google Scholar

Nishida, T. and Hiraiwa, M. (1982). Natural history of a tool-using behavior by wild chimpanzees in feeding upon wood-boring ants. Journal of Human Evolution, 11, 73–99.CrossRefGoogle Scholar

Nishida, T. and Turner, L.A. (1996). Food transfer between mother and infant chimpanzees of the Mahale Mountains National Park, Tanzania. International Journal of Primatology, 17, 947–68.CrossRefGoogle Scholar

Nishida, T. and Wallauer, W. (2003). Leaf-pile pulling: an unusual play pattern in wild chimpanzees. American Journal of Primatology, 60, 167–73.CrossRefGoogle ScholarPubMed

Nishida, T., Takasaki, H., and Takahata, Y. (1990). Demography and reproductive profiles. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 63–97.Google Scholar

Nishida, T., Corp, N., Hamai, M., et al. (2003). Demography, female life history, and reproductive profiles among the chimpanzees of Mahale. American Journal of Primatology, 59, 99–121.CrossRefGoogle ScholarPubMed

Nishida, T., Zamma, K., Matsusaka, T., Inaba, A., and McGrew, W. C. (2010). Chimpanzee Behavior in the Wild: An Audio-Visual Encyclopedia. Tokyo: Springer.CrossRefGoogle Scholar

Nishie, H. (2011). Natural history of Camponotus ant fishing by the M group chimpanzees at the Mahale Mountains National Park, Tanzania. Primates, 52, 329–42.CrossRefGoogle Scholar

Pusey, A. E. (1978). The Physical and Social Development of Wild Adolescent Chimpanzees (Pan troglodytes schweinfurthii). Ph.D. thesis. Stanford, CA: Stanford University.Google Scholar

Pusey, A. E. (1990). Behavioural changes at adolescence in chimpanzees. Behaviour, 115, 203–46.CrossRefGoogle Scholar

van de Rijt-Plooij, H. H. C. and Plooij, F. X. (1987). Growing independence, conflict and learning in mother–infant relations in free-ranging chimpanzees. Behaviour, 101, 1–86.CrossRefGoogle Scholar

van de Rijt-Plooij, H. H. C. and Plooij, F. X. (1988). Mother–infant relations, conflict, stress and illness among free-ranging chimpanzees. Developmental Medicine and Child Neurology, 30, 306–15.Google ScholarPubMed

Ross, C. (1998). Primate life histories. Evolutionary Anthropology, 6, 54–63.3.0.CO;2-W>CrossRefGoogle Scholar

Silk, J. B. (1978). Patterns of food sharing among mother and infant chimpanzees at Gombe National Park, Tanzania. Folia Primatologica, 29, 129–41.CrossRefGoogle ScholarPubMed

Sugiyama, Y. (1981). Observations on the population dynamics and behavior of wild chimpanzees at Bossou, Guinea, in 1979–1980. Primates, 22, 435–44.CrossRefGoogle Scholar

Sugiyama, Y. (1984). Population dynamics of wild chimpanzees at Bossou, Guinea, between 1976 and 1983. Primates, 25, 391–400.CrossRefGoogle Scholar

Takasaki, H. (1985). Female life history and mating patterns among the M group chimpanzees of the Mahale National Park, Tanzania. Primates, 26, 121–9.CrossRefGoogle Scholar

Thompson, J. L. and Nelson, A. J. (2011). Middle childhood and modern human origins. Human Nature, 22, 249–80.CrossRefGoogle ScholarPubMed

Trivers, R. (1972). Parental investment and sexual selection. In Sexual Selection and the Descent of Man 1871–1971, ed. Campbell, B.. Chicago, IL: Aldine, pp. 136–79.Google Scholar

Uehara, S. and Nishida, T. (1987). Body weights of wild chimpanzees (Pan troglodytes schweinfurthii) of the Mahale Mountains National Park, Tanzania. American Journal of Physical Anthropology, 72, 315–21.CrossRefGoogle ScholarPubMed

Uehara, S. and Nyundo, R. (1983). One observed case of temporary adoption of an infant by unrelated nulliparous females among wild chimpanzees in the Mahale Mountains, Tanzania. Primates, 24, 456–66.CrossRefGoogle Scholar

Yerkes, R. M. and Tomilin, M. I. (1935). Mother–infant relations in chimpanzee. Journal of Comparative Psychology, 20, 321–59.CrossRefGoogle Scholar

Zamma, K., Sakamaki, T., and Kitopeni, R. S. (2012). A wild chimpanzee birth at Mahale. Pan Africa News, 19, 3–5.CrossRefGoogle Scholar

Emery Thompson, M., Jones, J. H., Pusey, A. E., et al. (2007). Aging and fertility patterns in wild chimpanzees provide insights into the evolution of menopause. Current Biology, 17, 2150–6.CrossRefGoogle ScholarPubMed

Erwin, J. M. and Hof, P. R., ed. (2002). Aging in Nonhuman Primates. New York: Karger.CrossRefGoogle Scholar

Fraser, H. B., Khaitovich, P., Plotkin, J. B., et al. (2005). Aging and gene expression in the primate brain. PLoS Biology, 3, 1653–61.CrossRefGoogle ScholarPubMed

Goodall, J. (1986). The Chimpanzees of Gombe: Patterns of Behavior. Cambridge, MA: Belknap.Google Scholar

Gould, K. G., Flint, M., and Graham, C. E. (1981). Chimpanzee reproductive senescence: a possible model for evolution of the menopause. Maturitas, 3, 157–66.CrossRefGoogle ScholarPubMed

Gunji, H., Hosaka, K., Huffman, M. A., et al. (2003). Extraordinarily low bone mineral density in an old female chimpanzee (Pan troglodytes schweinfurthii) from the Mahale Mountains National Park. Primates, 44, 145–9.CrossRefGoogle Scholar

Hakeem, A., Sandoval, G. R., Jones, M., et al. (1996). Brain and life span in primates. In Handbook of the Psychology of Aging, 4e, ed. Birren, J. E. and Schaie, K. W.. San Diego, CA: Academic Press, pp. 78–104.Google Scholar

Hamilton, W. D. (1966). The moulding of senescence by natural selection. Journal of Theoretical Biology, 12, 12–45.CrossRefGoogle ScholarPubMed

Hasegawa, T. (1989). Sexual behavior of immigrant and resident female chimpanzees at Mahale. In Understanding Chimpanzees, ed. Heltne, P. G. and Marquardt, L. A.. Cambridge, MA: Harvard University Press, pp. 90–103.Google Scholar

Hauser, M. D. and Tyrrell, G. (1984). Old age and its behavioral manifestations: A study on two species of macaque. Folia Primatologica, 43, 24–35.CrossRefGoogle Scholar

Hawkes, K., O’Connell, J. F., and Blurton Jones, N. G. (1997). Hadza women’s time allocation, offspring provisioning, and the evolution of long postmenopausal life spans. Current Anthropology, 38, 551–77.CrossRefGoogle Scholar

Hayaki, H. (1985). Social play of juvenile and adolescent chimpanzees in the Mahale Mountains National Park, Tanzania. Primates, 26, 343–60.CrossRefGoogle Scholar

Hayaki, H. (1988). Association partners of young chimpanzees in the Mahale Mountains National Park, Tanzania. Primates, 29, 147–61.CrossRefGoogle Scholar

Hayaki, H., Huffman, M. A., and Nishida, T. (1989). Dominance among male chimpanzees in the Mahale Mountains National Park, Tanzania: a preliminary study. Primates, 30, 187–97.CrossRefGoogle Scholar

Herndon, J. G., Tigges, J., Anderson, D. C., et al. (1999). Brain weight throughout the life span of the chimpanzee. The Journal of Comparative Neurology, 409, 567–72.3.0.CO;2-J>CrossRefGoogle ScholarPubMed

Hosaka, K., Matsumoto-Oda, A., Huffman, M. A., et al. (2000). [Reactions to dead bodies of conspecifics by wild chimpanzees in the Mahale Mountains, Tanzania.] Primate Research, 16, 1–15. In Japanese with English summary.CrossRefGoogle Scholar

Huffman, M. A. (1990). Some socio-behavioral manifestations of old age. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 237–55.Google Scholar

Kawanaka, K. (1989). Age differences in social interactions of young males in a chimpanzee unit-group at the Mahale Mountains National Park, Tanzania. Primates, 30, 285–305.CrossRefGoogle Scholar

Kummer, H. (1995). In Quest of the Sacred Baboons: A Scientist’s Journey. Princeton, NJ: Princeton University Press.Google Scholar

Lacreuse, A. and Herndon, J. G. (2009). Nonhuman primate models of cognitive aging. In Animal Models of Human Cognitive Aging, ed. Bizon, J. L. and Woods, A.. Totowa, NJ: Humana Press, pp. 29–59.Google Scholar

Lacreuse, A., Chennareddi, L., Gould, K. G., et al. (2008). Menstrual cycles continue into advanced old age in the common chimpanzee (Pan troglodytes). Biology of Reproduction, 79, 407–12.CrossRefGoogle ScholarPubMed

McDonald Pavelka, M. S. (1990). Do old female monkeys have a specific social role? Primates, 31, 363–73.Google Scholar

Muller, M. N., Emery Thompson, M., and Wrangham, R. W. (2006). Male chimpanzees prefer mating with old females. Current Biology, 16, 2234–8.CrossRefGoogle ScholarPubMed

Nakamichi, M. (1984). Behavioral characteristics of old female Japanese monkeys in a free-ranging group. Primates, 25, 192–203.CrossRefGoogle Scholar

Nakamura, M. and Nishie, H. (2012). Death of the oldest female at Mahale and some notes about longevity of wild chimpanzees. Pan Africa News, 19, 19–21.CrossRefGoogle Scholar

Nishida, T. (1994). Review of recent findings on Mahale chimpanzees implications. In Chimpanzee Cultures, ed. Wrangham, R. W., McGrew, W. C., de Waal, F. B. M., and Heltne, P.. Cambridge, MA: Harvard University Press, pp. 373–96.Google Scholar

Nishida, T. (1997). Sexual behavior of adult male chimpanzees of the Mahale Mountains National Park, Tanzania. Primates, 38, 379–98.CrossRefGoogle Scholar

Nishida, T. (2012). Chimpanzees of the Lakeshore: Natural History and Culture at Mahale. Cambridge: Cambridge University Press.Google Scholar

Nishida, T. and Hosaka, K. (1996). Coalition strategies among adult male chimpanzees of the Mahale Mountains, Tanzania. In Great Ape Societies, ed. McGrew, W. C., Marchant, L. F., and Nishida, T.. Cambridge: Cambridge University Press, pp. 114–34.Google Scholar

Nishida, T., Takasaki, H., and Takahata, Y. (1990). Demography and reproductive profiles. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 63–97.Google Scholar

Nishida, T., Corp, N., Hamai, M., et al. (2003). Demography, female life history, and reproductive profiles among the chimpanzees of Mahale. American Journal of Primatology, 59, 99–121.CrossRefGoogle ScholarPubMed

Pusey, A. E. (1980). Inbreeding avoidance in chimpanzees. Animal Behaviour, 28, 543–52.CrossRefGoogle Scholar

Sherwood, C. C., Gordon, A. D., Allen, J. S., et al. (2011). Aging of the cerebral cortex differs between humans and chimpanzees. Proceedings of the National Academy of Sciences of the USA, 108, 13029–34.CrossRefGoogle ScholarPubMed

Shimizu, D., Gunji, H., Hashimoto, H., et al. (2002). The four chimpanzee skulls collected in the Mahale Mountains, Tanzania. Anthropological Science, 110, 251–66.CrossRefGoogle Scholar

Takahata, Y. (1990). Social relationships among adult males. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 149–70.Google Scholar

Takahata, Y., Koyama, N., and Suzuki, S. (1995). Do the old aged females experience a long post-reproductive life span? The cases of Japanese macaques and chimpanzees. Primates, 36, 169–80.CrossRefGoogle Scholar

Teleki, G., Hunt, E. E., and Pfifferling, J. H. (1976). Demographic observations (1963–1973) on the chimpanzees of Gombe National Park, Tanzania. Journal of Human Evolution, 5, 559–98.CrossRefGoogle Scholar

Videan, E. N., Fritz, J., Heward, C. B., et al. (2006). The effects of aging on hormone and reproductive cycles in female chimpanzees (Pan troglodytes). Comparative Medicine, 56, 291–9.Google ScholarPubMed

Williams, J. M., Lonsdorf, E. V., Wilson, M. L., et al. (2008). Causes of death in the Kasekela chimpanzees of Gombe National Park, Tanzania. American Journal of Primatology, 70, 766–77.CrossRefGoogle ScholarPubMed

Abbiw, D. K. (1990). Useful Plants of Ghana. Kew, UK: Intermediate Technology Publications and Royal Botanic Gardens.CrossRefGoogle Scholar

Brack, M. (1987). Agents Transmissible from Simians to Man. Berlin: Springer-Verlag.CrossRefGoogle Scholar

Constable, C. P. and Towers, G. H. N. (1989). The complex nature of the mechanism of toxicity and antibiotic dithiacylohexadiene polylines (thiarubrines) from the Asteraceae. Planta Medica, 55, 35–7.Google Scholar

Cousins, D. and Huffman, M. A. (2002). Medicinal properties in the diet of gorillas – An ethnopharmacological evaluation. African Studies Monographs, 23, 65–89.Google Scholar

Engel, C. (2002). Wild Health. Boston: Houghton Mifflin.Google Scholar

Fruth, B., Ikombe, N. B., Matshimba, G. K., et al. (2014). New evidence for self-medication in bonobos: Maniophyton fulvum leaf- and stemstrip-swallowing from LuiKotale, Salonga National Park, DR Congo. American Journal of Primatology, 76, 146–58.CrossRefGoogle ScholarPubMed

Githen, T. S. (1949). Drug Plants of Africa. Pittsburg, PN: University of Pennsylvania Press.CrossRefGoogle Scholar

Goodall, J. (2013). Seeds of Hope: Wisdom and Wonder from the World of Plants. New York: Grand Central Publishing.Google Scholar

Howe, H. F. and Westley, L. C. (1988). Ecological Relationships of Plants and Animals. New York: Oxford University Press.Google Scholar

Huffman, M. A. (1993). [An investigation of the use of medicinal plants by wild chimpanzees. Current status and future prospects.] Primate Research, 9, 179–87. In Japanese with English summary.CrossRefGoogle Scholar

Huffman, M. A. (1994). The CHIMPP Group: A multi-disciplinary investigation into the use of medicinal plants by chimpanzees. Pan Africa News, 1(1), 3–5.CrossRefGoogle Scholar

Huffman, M. A. (1997). Current evidence for self-medication in primates: A multidisciplinary perspective. Yearbook of Physical Anthropology, 40, 171–200.3.0.CO;2-7>CrossRefGoogle Scholar

Huffman, M. A. (2001). Self-medicative behavior in the African great apes: An evolutionary perspective into the origins of human traditional medicine. BioScience, 51, 651–61.CrossRefGoogle Scholar

Huffman, M. A. (2002). Animal origins of herbal medicine. In From the Sources of Knowledge to the Medicines of the Future, ed. Fleurentin, J., Pelt, J-M., and Mazars, G.. Paris: IRD Editions, pp. 31–42.Google Scholar

Huffman, M. A. (2007). Primate self-medication. In Primates in Perspective, ed. Campbell, C., Fuentes, A., MacKinnon, K., Panger, M., and Bearder, S.. Oxford: University of Oxford Press, pp. 677–90.Google Scholar

Huffman, M. A. (2010). Self-medication: passive prevention and active treatment. In Encyclopedia of Animal Behavior, ed. Breed, M. D. and Moore, J.. Oxford: Academic Press, pp. 125–31.Google Scholar

Huffman, M. A. and Caton, J. M. (2001). Self-induced increase of gut motility and the control of parasitic infections in wild chimpanzees. International Journal of Primatology, 22, 329–46.CrossRefGoogle Scholar

Huffman, M. A and Hirata, S. (2004). An experimental study of leaf swallowing in captive chimpanzees: insights into the origin of a self-medicative behavior and the role of social learning. Primates, 45, 113–18.CrossRefGoogle ScholarPubMed

Huffman, M. A. and MacIntosh, A. J. J. (2012). Plant food diet of the Arashiyama-Kyoto Japanese macaques and its potential medicinal value. In The Monkeys of Stormy Mountain: 60 Years of Primatological Research on the Japanese Macaques of Arashiyama, ed. Leca, J-B, Huffman, M. A., and Vasey, P. L.. Cambridge: Cambridge University Press, pp. 356–431.CrossRefGoogle Scholar

Huffman, M. A. and Seifu, M. (1989). Observations on the illness and consumption of a possibly medicinal plant Vernonia amygdalina (Del.), by a wild chimpanzee in the Mahale Mountains National Park, Tanzania. Primates, 30, 51–63.CrossRefGoogle Scholar

Huffman, M. A. and Wrangham, R. W. (1994). The diversity of medicinal plant use by chimpanzees in the wild. In Chimpanzee Cultures, ed. Wrangham, R. W., McGrew, W. C., deWaal, F. B. and Heltne, P. G.. Cambridge MA: Harvard University Press, pp. 129–48.Google Scholar

Huffman, M. A., Nishida, T., and Uehara, S. (1990). Intestinal parasites and medicinal plant use in wild chimpanzees: possible behavioral adaptation for the control of parasites. Mahale Mountains Chimpanzees Research Project. Ecological Report, 72.Google Scholar

Huffman, M. A., Gotoh, S., Izutsu, D., Koshimizu, K., and Kalunde, M. S. (1993). Further observations on the use of Vernonia amygdalina by a wild chimpanzee, its possible effect on parasite load, and its phytochemistry. African Study Monographs, 14, 227–40.Google Scholar

Huffman, M. A., Koshimizu, K., and Ohigashi, H. (1996a). Ethnobotany and zoopharmacognosy of Vernonia amygdalina, a medicinal plant used by humans and chimpanzees. In Compositae: Biology & Utilization Vol. 2, ed. Caligari, P. D. S. and Hind, D. J. N.. Kew: The Royal Botanical Gardens, pp. 351–60.Google Scholar

Huffman, M. A., Page, J. E., Sukhdeo, M. V. K., et al. (1996b). Leaf-swallowing by chimpanzees, a behavioral adaptation for the control of strongyle nematode infections. International Journal of Primatology, 72, 475–503.CrossRefGoogle Scholar

Huffman, M. A., Gotoh, S., Turner, L. A., Hamai, M., and Yoshida, K. (1997). Seasonal trends in intestinal nematode infection and medicinal plant use among chimpanzees in the Mahale Mountains, Tanzania. Primates, 38, 111–25.CrossRefGoogle Scholar

Huffman, M. A., Pebsworth, P., Bakuneeta, C., Gotoh, S., and Bardi, M. (2009). Macro-habitat comparison of host–parasite ecology in two populations of chimpanzees in the Budongo Forest, Uganda and the Mahale Mountains, Tanzania. In Primate Parasite Ecology: The Dynamics of Host-parasite Relationships, ed. Huffman, M. A. and Chapman, C.. Cambridge: Cambridge University Press, pp. 311–30.Google Scholar

Huffman, M. A., Spiezio, C., Sgaravatti, A., and Leca, J-B. (2010). Option biased learning involved in the acquisition and transmission of leaf swallowing behavior in chimpanzees (Pan troglodytes)? Animal Cognition, 13, 871–80.CrossRefGoogle Scholar

Izevbigie, E. B. (2005). Phytochemotherapy for cancer. US Patent application 756241. January 13, 2004Google Scholar

Janzen, D. H. (1978). Complications in interpreting the chemical defenses of trees against tropical arboreal plant-eating vertebrates. In The Ecology of Arboreal Folivores, ed. Montgomery, G. G.. Washington DC: Smithsonian Institute Press, pp. 73–84.Google Scholar

Jisaka, M., Kawanaka, M., Sugiyama, H., et al. (1992a). Antischistosomal activities of sesquiterpene lactones and steroid glucosides from V. amygdalina, possibly used by wild chimpanzees against parasite-related disease. Bioscience, Biotechnology and Biochemistry, 56, 845–6.CrossRefGoogle Scholar

Jisaka, M., Ohigashi, H., Takagaki, T., et al. (1992b). Bitter steroid glucosides, Vernoniosides A1, A2 and A3 and related B1 from a possible medicinal plant Vernonia amygdalina, used by wild chimpanzees. Tetrahedron, 48, 625–32.CrossRefGoogle Scholar

Jisaka, M., Ohigashi, H., Takegawa, K., Huffman, M. A., and Koshimizu, K. (1993a). Antitumoral and antimicrobial activities of bitter sesquiterpene lactones of Vernonia amygdalina, a possible medicinal plant used by wild chimpanzee. Bioscience, Biotechnology and Biochemistry, 57, 833–4.CrossRefGoogle Scholar

Jisaka, M., Ohigashi, H., Takegawa, K., et al. (1993b). Steroid glucosides from Vernonia amygdalina, a possible chimpanzee medicinal plant. Phytochemistry, 34, 409–13.CrossRefGoogle Scholar

Johns, T. (1990). With Bitter Herbs They Shall Eat It. Tucson, AZ: The University of Arizona Press.Google Scholar

Kawabata, M. and Nishida, T. (1991). A preliminary note on the intestinal parasites of wild chimpanzees of the Mahale Mountains, Tanzania. Primates, 32, 275–8.CrossRefGoogle Scholar

Kokwaro, J. (1976). Medicinal Plants of East Africa. Nairobi: East African Literature Bureau.Google Scholar

Koshimizu, K., Ohigashi, H., Huffman, M. A., Nishida, T., and Takasaki, H. (1993). Physiological activities and the active constituents of potentially medicinal plants used by wild chimpanzees of the Mahale Mountains, Tanzania. International Journal of Primatology, 14(2), 345–56.CrossRefGoogle Scholar

Krief, S., Hladik, C. M., and Haxaire, C. (2005). Ethnomedicinal and bioactive properties of plants ingested by wild chimpanzees in Uganda. Journal of Ethnopharmacology, 101, 1–15.CrossRefGoogle ScholarPubMed

Krief, S., Huffman, M. A., Sevenet, T., et al. (2006). Bioactive properties of plant species ingested by chimpanzees (Pan troglodytes schweinfurthii) in the Kibale National Park, Uganda. American Journal of Primatology, 68, 51–71.CrossRefGoogle ScholarPubMed

Kupchan, S. M., Hemingway, R. J., Karim, A., and Werner, D. (1969). Tumor Inhibitors XLVII. Vernodalin and vernomygdin, two new cytotoxic sesquiterpene lactones from Vernonia amygdalina Del. Journal of Organic Chemistry, 34, 3908–11.CrossRefGoogle ScholarPubMed

Looi, C. C., Arya, A., Chea, F. K., et al. (2013). Induction of apoptosis in human breast cancer cells via caspase pathway by vernodalin isolated from Centratherum anthelminticum (L.) seeds. PLoS ONE, 8, e56643.CrossRefGoogle ScholarPubMed

MacIntosh, A. J. J. and Huffman, M. A. (2010). Towards understanding the role of diet in host-parasite interactions: the case for Japanese macaques. In The Japanese Macaques, ed. Nakagawa, N., Nakamichi, M., and Sugiura, H.. Tokyo: Springer, pp. 323–44.Google ScholarPubMed

Masi, S., Gustafsson, E., Saint Jalme, M., et al. (2012). Unusual feeding behavior in wild great apes, a window to understand origins of self-medication in humans: Role of sociality and physiology on learning process. Physiology & Behavior, 105, 337–49.CrossRefGoogle ScholarPubMed

McLennan, M. R. and Huffman, M. A. (2012). High frequency of leaf swallowing and its relationship to parasite expulsion in “village” chimpanzees at Bulindi, Uganda. American Journal of Primatology, 74, 642–50.CrossRefGoogle ScholarPubMed

Messer, E. J. and Wrangham, R. W. (1996). In vitro testing of the biological activity of Rubia cordifolia leaves on primate Strongyloides species. Primates, 37, 105–8.Google Scholar

Neuwinger, H. D. (1996). African Ethnobotany: Chemistry, Pharmacology, Toxicology. London: Chapman & Hill.Google Scholar

Newton, P. N. and Nishida, T. (1990). Possible buccal administration of herbal drugs by wild chimpanzees, Pan troglodytes. Animal Behaviour, 39, 798–801.CrossRefGoogle Scholar

Nishida, T. (2012). Chimpanzees of the Lakeshore: Natural History and Culture at Mahale. Cambridge: Cambridge University Press.Google Scholar

Ohigashi, H. (1995). Plants used medicinally by primates in the wild and their physiologically active constituents. Report to the Ministry of Science, Education and Culture for 1994 Grant-in-Aid for Scientific Research (No. 06303012).Google Scholar

Ohigashi, H., Jisaka, M., Takagaki, T., et al. (1991). Bitter principle and a related steroid glucoside from Vernonia amygdalina, a possible medicinal plant for wild chimpanzees. Agricultural and Biological Chemistry, 55, 1201–3.Google Scholar

Ohigashi, H., Huffman, M. A., Izutsu, D., et al. (1994). Toward the chemical ecology of medicinal plant-use in chimpanzees: the case of Vernonia amygdalina Del., a plant used by wild chimpanzees possibly for parasite-related diseases. Journal of Chemical Ecology, 20, 541–53.CrossRefGoogle Scholar

Page, J. E., Balza, F. F., Nishida, T., and Towers, G. H. N. (1992). Biologically active diterpenes from Aspilia mossambicensis, a chimpanzee medicinal plant. Phytochemistry, 31, 3437–9.CrossRefGoogle ScholarPubMed

Page, J. E., Huffman, M. A., Smith, V., and Towers, G. H. N. (1997). Chemical basis for medicinal consumption of Aspilia leaves by chimpanzees: a re-analysis. Journal of Chemical Ecology, 23, 2211–25.CrossRefGoogle Scholar

Pebsworth, P., Krief, S., and Huffman, M. A. (2006). The role of diet in self-medication among chimpanzees in the Sonso and Kanyawara communities, Uganda. In Primates of Western Uganda, ed. Newton-Fisher, N. E., Notman, H., Reynolds, V., and Paterson, J. D.. New York: Springer, pp. 105–33.Google Scholar

Rodriguez, E. and Wrangham, R. W. (1993). Zoopharmacognosy: the use of medicinal plants by animals. In Recent Advances in Phytochemistry: Vol. 27. Phytochemical Potential of Tropic Plants. ed. Downum, K. R., Romeo, J. T., and Stafford, H.. New York: Plenum Press, pp. 89–105.CrossRefGoogle Scholar

Rodriguez, E., Aregullin, M., Nishida, T., et al. (1985). Thiarubrine A, a bioactive constituent of Aspilia (Asteraceae) consumed by wild chimpanzees. Experientia, 41, 419–20.CrossRefGoogle ScholarPubMed

Sapolsky, R. M. (1998). The Trouble with Testosterone: And Other Essays on The Biology of the Human Predicament. New York: Simon & Schuster.Google Scholar

Su, H., Su, Y., and Huffman, M. A. (2013). Leaf-swallowing and parasite infection in the Chinese lesser civet (Viverricula indica) in northern Taiwan. Zoological Studies, 52, 22.CrossRefGoogle Scholar

Suárez-Rodríguez, M., López-Rull, I., and Macías Garcia, C. (2013). Incorporation of cigarette butts into nests reduces nest ectoparasite load in urban birds: new ingredients for an old recipe? Biology Letters, 9, 20120931.CrossRefGoogle ScholarPubMed

Takasaki, H. and Hunt, K. (1987). Further medicinal plant consumption in wild chimpanzees? African Studies Monographs, 8, 125–8.Google Scholar

Toubiana, R. and Gaudemer, A. (1967). Structure du vernolide, nouvel ester sesquiterpique isole de Vernonia colorata. Tetrahedron Letters, 14, 1333–6. In French.Google Scholar

Towers, G. H. N., Abramowski, Z., Finlayson, A. J., and Zucconi, A. (1985). Antibiotic properties of thiarubrine-A, a naturally occurring dithiacyclohedadiene polyine. Planta Medica, 3, 225–9.Google Scholar

Villalba, J. J. and Landau, S. Y. (2012). Host behavior, environment and the ability to self-medicate. Small Ruminant Research, 103, 50–9.CrossRefGoogle Scholar

Watt, J. M. and Breyer-Brandwinjk, M. G. (1962). The Medicinal and Poisonous Plants of Southern and East Africa. Edinburgh: E. and S. Livingstone.Google Scholar

Wink, M., Hofer, A., Bilfinger, M., et al. (1993). Geese and dietary allelochemicals: food palatability and geophagy. Chemoecology, 4, 93–107.CrossRefGoogle Scholar

Wrangham, R. W. (1975). The Behavioural Ecology of Chimpanzees in Gombe National Park, Tanzania. Ph.D. thesis. Cambridge: University of Cambridge.Google Scholar

Wrangham, R. W. (1995). Relationship of chimpanzee leaf-swallowing to a tapeworm infection. American Journal of Primatology, 37, 297–303.CrossRefGoogle ScholarPubMed

Wrangham, R. W. and Nishida, T. (1983). Aspilia spp. leaves: a puzzle in the feeding behavior of wild chimpanzees. Primates, 24, 276–82.CrossRefGoogle Scholar

Altizer, S., Dobson, A., Hosseini, P., et al. (2006). Seasonality and the dynamics of infectious diseases. Ecological Letters, 9, 467–84.CrossRefGoogle ScholarPubMed

Anderson, J. R. (2011). A primatological perspective on death. American Journal of Primatology, 73, 410–14.CrossRefGoogle ScholarPubMed

Biro, D. (2011). Chimpanzee mothers carry the mummified remains of their dead infants: three case reports from Bossou. In The Chimpanzees of Bossou and Nimba, ed. Matsuzawa, T., Humle, T., and Sugiyama, Y.. Tokyo: Springer, pp. 241–50.Google Scholar

Boesch, C. (2008). Why do chimpanzees die in the forest? The challenges of understanding and controlling for wild ape health. American Journal of Primatology, 70, 722–6.CrossRefGoogle ScholarPubMed

Boesch, C. and Boesch-Achermann, H. (2000). The Chimpanzees of Taï Forest: Behavioral Ecology and Evolution. Oxford: Oxford University Press.CrossRefGoogle Scholar

Chang, A. and Dutch, R. E. (2012). Paramyxovirus fusion and entry: multiple paths to a common end. Viruses, 4, 613–36.CrossRefGoogle ScholarPubMed

Fashing, P. J., Nguyen, N., Barry, T. S., et al. (2011). Death among geladas (Theropithecus gelada): a broader perspective on mummified infants and primate thanatology. American Journal of Primatology, 73, 405–9.CrossRefGoogle ScholarPubMed

Formenty, P., Boesch, C., Wyers, M., et al. (1999). Ebola virus outbreak among wild chimpanzees living in a rain forest of Côte d’Ivoire. Journal of Infectious Disease, 179 (supplement 1), S120–6.CrossRefGoogle Scholar

Fujita, S., Zamma, K., Hanamura, S., et al. (2009). [Influence of ecotourism on health status of wild chimpanzees in the Mahale Mountains National Park.] Primate Research, 25 (supplement), S-11. In Japanese.Google Scholar

Gao, F., Bailes, E., Robertson, D. L., et al. (1999). Origin of HIV-1 in the chimpanzee Pan troglodytes troglodytes. Nature, 397, 436–41.CrossRefGoogle ScholarPubMed

Goodall, J. (1986a). The Chimpanzees of Gombe: Patterns of Behavior. Cambridge, MA: Bellknap.Google Scholar

Goodall, J. (1986b). Social rejection, exclusion, and shunning among the Gombe chimpanzees. Ethology and Sociobiology, 7, 227–36.CrossRefGoogle Scholar

Hanamura, S., Kiyono, M., Nakamura, M., et al. (2006). A new code of observation employed at Mahale: prevention against a flu-like disease. Pan Africa News, 13, 13–16.CrossRefGoogle Scholar

Hanamura, S., Kiyono, M., Lukasik-Braum, M., et al. (2008). Chimpanzee deaths at Mahale caused by a flu-like disease. Primates, 49, 77–80.CrossRefGoogle ScholarPubMed

Hosaka, K. (1995). Mahale: a single flu-like epidemics killed at least 11 chimps. Pan Africa News, 2(2), 3–4.Google Scholar

Hosaka, K., Matsumoto-Oda, A., Huffman, M. A., and Kawanaka, K. (2000). [Reactions to dead bodies of conspecifics by wild chimpanzees in the Mahale Mountains, Tanzania.] Primate Research, 16, 1–15. In Japanese with English summary.CrossRefGoogle Scholar

Humle, T. (2011). The 2003 epidemic of a flu-like respiratory disease at Boosou. In The Chimpanzees of Bossou and Nimba, ed. Matsuzawa, T., Humle, T., and Sugiyama, Y.. Tokyo: Springer, pp. 325–33.Google Scholar

Kaur, T., Singh, J., Tong, S., et al. (2008). Descriptive epidemiology of fatal respiratory outbreaks and detection of a human-related metapneumovirus in wild chimpanzees (Pan troglodytes) at Mahale Mountains National Park, Western Tanzania. American Journal of Primatology, 70, 755–65.CrossRefGoogle ScholarPubMed

Keele, B. F., Jones, J. H., Terio, K. A., et al. (2009). Increased mortality and AIDS-like immunopathology in wild chimpanzees infected with SIVcpz. Nature, 460, 515–19.CrossRefGoogle ScholarPubMed

Köndgen, S., Kühl, H., N’Goran, P. K., et al. (2008). Pandemic human viruses cause decline of endangered great apes. Current Biology, 18, 260–4.CrossRefGoogle ScholarPubMed

Kooriyama, T. (2009). The death of a newborn chimpanzee at Mahale: reactions of its mother and other individuals to the body. Pan Africa News, 16, 19–21.CrossRefGoogle Scholar

Kooriyama, T., Okamoto, M., Yoshida, T., et al. (2013). Epidemiological study of zoonoses derived from humans in captive chimpanzees. Primates, 54, 89–98.CrossRefGoogle ScholarPubMed

Kuehl, H. S., Elzner, C., Moebius, Y., Boesch, C., and Walsh, P. D. (2008). The price of play: self-organized infant mortality cycles in chimpanzees. PLoS ONE, 3, e2440.CrossRefGoogle Scholar

Leendertz, F. H., Ellerbrok, H., Boesch, C., et al. (2004). Anthrax kills wild chimpanzees in a tropical rainforest. Nature, 430, 451–2.CrossRefGoogle Scholar

Lonsdorf, E. V., Travis, D., Pusey, A. E., and Goodall, J. (2006). Using retrospective health data from the Gombe chimpanzee study to inform future monitoring efforts. American Journal of Primatology, 68, 897–908.CrossRefGoogle ScholarPubMed

Lonsdorf, E. V., Murray, C. M., Lonsdorf, E. V., et al. (2011). A retrospective analysis of factors correlated to chimpanzee (Pan troglodytes schweinfurthii) respiratory health at Gombe National Park, Tanzania. EcoHealth, 8, 26–35.CrossRefGoogle ScholarPubMed

Lukasik-Braum, M. and Spelman, L. (2008). Chimpanzee respiratory disease and visitation rules at Mahale and Gombe National Parks in Tanzania. American Journal of Primatology, 70, 734–7.CrossRefGoogle ScholarPubMed

Nakai, M., Itoh, N., Nakamura, M., Huffman, M. A., and Nishida, T. (2004). [Individual identification from skeletal remains: cases of wild chimpanzees of the Mahale Mountains National Park, Tanzania.] Primate Research, 20, 1–9. In Japanese with English summary.CrossRefGoogle Scholar

Nakamura, M. (2004). [In memoriam of Dogura.] Mahale Chimpun, 3, 1–2. In Japanese.Google Scholar

Nakazawa, N., Hanamura, S., Inoue, E., Nakatsukasa, M., and Nakamura, M. (2013). A leopard ate a chimpanzee: first evidence from East Africa. Journal of Human Evolution, 65, 334–7.CrossRefGoogle Scholar

Nishida, T. (1973). [The Children of the Mountain Spirits: Search for the Social Structure of Chimpanzees.] Tokyo: Chikuma-shobō. In Japanese.Google Scholar

Nishida, T. (1981). [The World of Wild Chimpanzees.] Tokyo: Chūkō-shinsho. In Japanese.Google Scholar

Nishida, T. (1998). Deceptive tactic by an adult male chimpanzee to snatch a dead infant from its mother. Pan Africa News, 5, 13–5.CrossRefGoogle Scholar

Nishida, T. (2012). Chimpanzees of the Lakeshore: Natural History and Culture at Mahale. Cambridge: Cambridge University Press.Google Scholar

Nishida, T. and Nakamura, M. (1993). Chimpanzee tool use to clear a blocked nasal passage. Folia Primatologica, 61, 218–20.CrossRefGoogle Scholar

Nishida, T., Hiraiwa-Hasegawa, M., Hasegawa, T., and Takahata, Y. (1985). Group extinction and female transfer in wild chimpanzees in the Mahale National Park, Tanzania. Zeitschrift für Tierpsychologie, 67, 284–301.CrossRefGoogle Scholar

Nishida, T., Takasaki, H., and Takahata, Y. (1990). Demography and reproductive profiles. In The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies, ed. Nishida, T.. Tokyo: University of Tokyo Press, pp. 63–97.Google Scholar

Nishida, T., Corp, N., Hamai, M., et al. (2003). Demography, female life history, and reproductive profiles among the chimpanzees of Mahale. American Journal of Primatology, 59, 99–121.CrossRefGoogle ScholarPubMed

Nishida, T., Fujimoto, M., Fujita, S., et al. (2007a). [Prevalence of infectious disease among the chimpanzees of Mahale.] Primate Research, 23 (supplement), S-6. In Japanese.Google Scholar

Nishida, T., Fujita, S., Inaba, A., and Kooriyama, T. (2007b). Note on a subcutaneous tumor found among wild chimpanzees. Pan Africa News, 14, 31–2.CrossRefGoogle Scholar

Nishida, T., Fujita, S., Matsusaka, T., Shimada, M., and Kitopeni, R. (2007c). Dermatophytosis of M group chimpanzees, Mahale Mountains, Tanzania. Pan Africa News, 14, 5–6.CrossRefGoogle Scholar

Notman, H. and Munn, J. (2003). A case of infant carrying by an adult male chimpanzee in the Budongo Forest. Pan Africa News, 10, 7–9.CrossRefGoogle Scholar

Reynolds, V. (2005). The Chimpanzees of the Budongo Forest: Ecology, Behaviour, and Conservation. Oxford: Oxford University Press.CrossRefGoogle Scholar

Sakamaki, T., Mulavwa, M., and Furuichi, T. (2009). Flu-like epidemics in wild bonobos (Pan paniscus) at Wamba, the Luo Scientific Reserve, Democratic Republic of Congo. Pan Africa News, 16, 1–4.CrossRefGoogle Scholar

Shaman, J., Pitzer, V. E., Viboud, C., Grenfell, B. T., and Lipstich, M. (2010). Absolute humidity and the seasonal onset of influenza in the continental United States. PLoS Biology, 8, e1000316.CrossRefGoogle ScholarPubMed

Sharp, P. M., Shaw, G. M., and Hahn, B. H. (2005). Simian immunodeficiency virus infection of chimpanzees. Journal of Virology, 79, 3891–902.CrossRefGoogle ScholarPubMed

Shimada, M. and Matumula, M. (2004). Chimpanzees attitude toward a seriously weakened adolescent female at Mahale. Pan Africa News, 11(1), 6–8.CrossRefGoogle Scholar

Shimizu, D., Gunji, H., Hashimoto, H., et al. (2002). The four chimpanzee skulls collected in the Mahale Mountains, Tanzania. Anthropological Science, 110, 251–66.CrossRefGoogle Scholar

Stewart, F. A., Piel, A. K., and O’Malley, R. C. (2012). Responses of chimpanzees to a recently dead community member at Gombe National Park, Tanzania. American Journal of Primatology, 74, 1–7.CrossRefGoogle ScholarPubMed

Teleki, G. (1973). Group response to accidental death of a chimpanzee in Gombe National Park, Tanzania. Folia Primatologica, 20, 81–94.CrossRefGoogle ScholarPubMed

Uehara, S. and Nyundo, R. (1983). One observed case of temporary adoption of an infant by unrelated nulliparous females among wild chimpanzees in the Mahale Mountains, Tanzania. Primates, 24, 456–66.CrossRefGoogle Scholar

Wallis, J. and Lee, D. R. (1999). Primate conservation: the prevention of disease transmission. International Journal of Primatology, 20, 803–26.CrossRefGoogle Scholar

Williams, J. M., Lonsdorf, E. V., Wilson, M. L., et al. (2008). Causes of death in the Kasekela chimpanzees of Gombe National Park, Tanzania. American Journal of Primatology, 70, 766–77.CrossRefGoogle ScholarPubMed

Wolfe, N. D., Escalante, A. A., Karesh, W. B., et al. (1998). Wild primate populations in emerging infectious disease research: the missing link? Emerging Infectious Disease, 4, 149–58.CrossRefGoogle ScholarPubMed

Zamma, K. (2005). [Reconsidering the relationships between humans and chimpanzees: a case of Mahale.] Abstract of Presentation for SAGA8 Symposium, p. 8. In Japanese.Google Scholar

Boehm, C. (1999). Hierarchy in the Forest. Cambridge MA: Harvard University Press.CrossRefGoogle Scholar

Bygott, J. D. (1972). Cannibalism among wild chimpanzees. Nature, 238, 410–11.CrossRefGoogle Scholar

Furuichi, T. (1999). [Evolution of Sex and Evolution of Man: From Observation of Bonobos.] Tokyo: Asahi-sensho. In Japanese.Google Scholar

Goodall, J. (1977). Infant killing and cannibalism in free-living chimpanzees. Folia Primatologica, 28, 259–82.CrossRefGoogle ScholarPubMed

Goodall, J. (1986). The Chimpanzees of Gombe: Patterns of Behavior. Cambridge MA: Belknap.Google Scholar

Hamai, M., Nishida, T., Takasaki, T., and Turner, L. A. (1992). New records of within-group infanticide and cannibalisms in wild chimpanzees. Primates, 33, 151–62.CrossRefGoogle Scholar

Hiraiwa-Hasegawa, M., Hasegawa, T., and Nishida, T. (1984). Demographic study of a large-sized unit-group of chimpanzees in the Mahale Mountains, Tanzania: a preliminary report. Primates, 25, 401–13.CrossRefGoogle Scholar

Hofer, A., Huffman, M. A., and Ziesler, G. (2000). Mahale: A Photographic Encounter with Chimpanzees. New York: Sterling Publishing Co.Google Scholar

Hosaka, K., Matsumoto-Oda, A., Huffman, M. A., and Kawanaka, K. (2000). [Reactions to dead bodies of conspecifics by wild chimpanzees in the Mahale Mountains, Tanzania.] Primate Research, 16, 1–15. In Japanese with English summary.CrossRefGoogle Scholar

Hrdy, S. B. (1977). Infanticide as a primate reproductive strategy. American Scientists, 65, 40–9.Google ScholarPubMed

Kaburu, S. S. K., Inoue, S., and Newton-Fisher, N. E. (2013). Death of the alpha: within-community lethal violence among chimpanzees of the Mahale Mountains National Park. American Journal of Primatology, 75, 789–97.CrossRefGoogle ScholarPubMed

Kawanaka, K. (1981). Infanticide and cannibalism in chimpanzees, with special reference to the newly observed case in the Mahale Mountains. African Study Monographs, 1, 69–99.Google Scholar

Kooriyama, T. (2009). The death of a newborn chimpanzee at Mahale: Reactions of its mother and other individuals to the body. Pan Africa News, 16, 19–21.CrossRefGoogle Scholar

Kutsukake, N. and Matsusaka, T. (2002). Incident of intense aggression by chimpanzees against an infant from another group in Mahale Mountains National Park, Tanzania. American Journal of Primatology, 58, 175–80.CrossRefGoogle ScholarPubMed

Lorenz, K. (1963[1985]). On Aggression, trans. Hidaka, T. and Kubo, K.. Tokyo: Misuzu-shobō. Japanese translation.Google Scholar

Manson, J. H. and Wrangham, R. W. (1991). Intergroup aggression in chimpanzees and humans. Current Anthropology, 32, 369–90.CrossRefGoogle Scholar

Mitani, J. C., Watts, D. P., and Amsler, S. J. (2010). Lethal intergroup aggression leads to territorial expansion in wild chimpanzees. Current Biology, 20, R507–8.CrossRefGoogle ScholarPubMed

Nishida, T. (1996). The death of Ntologi, the unparalleled leader of M group. Pan Africa News, 3(1), 3–4.CrossRefGoogle Scholar

Nishida, T. (1998). Deceptive tactic by an adult male chimpanzee to snatch a dead infant from its mother. Pan Africa News, 5, 13–15.CrossRefGoogle Scholar

Nishida, T. and Kawanaka, K. (1985). Within-group cannibalism by adult male chimpanzees. Primates, 26, 274–84.CrossRefGoogle Scholar

Nishida, T., Uehara, S., and Nyundo, R. (1979). Predatory behavior among wild chimpanzees of the Mahale Mountains. Primates, 20, 1–20.CrossRefGoogle Scholar

Nishida, T., Hiraiwa-Hasegawa, M., Hasegawa, T., and Takahata, Y. (1985). Group extinction and female transfer in wild chimpanzees in the Mahale National Park, Tanzania. Zeitschrift für Tierpsychologie, 67, 284–301.CrossRefGoogle Scholar

Nishida, T., Nakamura, M., and Hamai, M. (1995). A within-group gang attack on young adult male chimpanzee: ostracism of an ill-mannered member? Primates, 36, 207–11.CrossRefGoogle Scholar

Norikoshi, K. (1982). One observed case of cannibalism among wild chimpanzees of the Mahale Mountains. Primates, 23, 66–74.CrossRefGoogle Scholar

Palombit, R. A. (2012). Infanticide: male strategies and female counterstrategies. In The Evolution of Primate Societies, ed. Mitani, J. C., Call, J., Kappeler, P. M., Palombit, R. A., and Silk, J. B.. Chicago, IL: University of Chicago Press, pp. 432–68.Google Scholar

Power, M. (1991). The Egalitarians: Humans and Chimpanzee. Cambridge: Cambridge University Press.CrossRefGoogle Scholar

Sakamaki, T., Itoh, N., and Nishida, T. (2001). An attempted within-group infanticide in wild chimpanzees. Primates, 42, 359–66.CrossRefGoogle Scholar

van Schaik, C. P. (2000). Infanticide by male primates: the sexual selection hypothesis revisited. In Infanticide by Males and its Implications, ed. van Schaik, C. P. and Janson, C. H.. Cambridge: Cambridge University Press, pp. 27–60.CrossRefGoogle Scholar

Sugiyama, Y. (1965). On the social change of hanuman langurs (Presbytis entellus) in their natural condition. Primates, 6, 381–418.CrossRefGoogle Scholar

Suzuki, A. (1971). Carnivority and cannibalism observed among forest-living chimpanzees. Journal of Anthropological Society of Nippon, 79, 30–48.CrossRefGoogle Scholar

Takahata, Y. (1985). Adult male chimpanzees kill and eat a male newborn infant: newly observed intragroup infanticide and cannibalism in Mahale National Park, Tanzania. Folia Primatologica, 44, 161–70.CrossRefGoogle Scholar

Townsend, S. W., Slocombe, K. E., Emery Thompson, M., and Zuberbuehler, K. (2007). Female-led infanticide in wild chimpanzees. Current Biology, 17, R355–6.CrossRefGoogle ScholarPubMed

de Waal, F. (2005). Our Inner Ape. New York: Riverhead Books.Google Scholar

Wilson, M. L. and Wrangham, R. W. (2003). Intergroup relations in chimpanzees. Annual Review of Anthropology, 32, 363–92.CrossRefGoogle Scholar

Wrangham, R. W. (1999). Evolution of coalitionary killing. Yearbook of Physical Anthropology, 42, 1–30.3.0.CO;2-E>CrossRefGoogle Scholar

Wrangham, R. and Peterson, D. (1996). Demonic Males. Boston, MA: Houghton Mifflin.Google Scholar