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Hanya, G. (2004) Seasonal variations in the activity budget of Japanese macaques in the coniferous forest of Yakushima: effects of food and temperature. American Journal of Primatology 63(3): 165-177.
Hanya, G., Matsubara, M., Sugiura, H., Hayakawa, S., Goto, S., Tanaka, T., Soltis, J., Noma, N. (2004) Mass mortality of Japanese macaques in a western coastal forest of Yakushima. Ecological Research 19: 179-188.
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Huffman, M.A, 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(2): 113-118.
Kaur, T., Huffman, M.A. (2004) Descriptive urological record of chimpanzees (Pan troglodytes schweinfurthii) in the wild and limitations associated with using multi-reagent dipstick test strips. . Journal of Medical Primatology 33(4): 187-196.
Krief, S., Huffman, M., Sevenet, T., Guillot, J., Bories, C., Hladik, C., Wrangham. R.W. (2005) Non-invasive monitoring of the health condition of wild chimpanzees (Pan troglodytes schweinfurthii) in the Kibale National Park, Uganda. International Journal of Primatology 26(2): 467-490.
Nakamura, M., Uehara, S. (2004) Proximate factors of different types of grooming hand-clasp in Mahale Mountains chimpanzees: implications for chimpanzee social customs. Current Anthropolgy 45(1): 108-114.
Nakai, M., Zamma, K. (2004) Position and movement of the testes of wild chimpanzees at Mahale. Pan Africa News 11(1): 4-6.
Zamma, K., Inoue, E., Mwami, M., Haluna, B., Athumani, S., Huseni, S. (2004) On the chimpanzees of Kakungu, Karobwa and Ntakata. Pan Africa News 11(1): 8-10.
Zamma, K., Fujita, S. (2004) Genito-genital rubbing among the chimpanzees of Mahale and Bossou. Pan africa News 11(2): 5-8.
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Huffman, M.A. (2004) The chimpanzees of Rubondo Island: repatriation to African and the adaptation of West African chimpanzees to an East African Environment. African Great Apes: evolution, diversity and conservation 21 COE Biodiversity Program (A14) (Mar. 2004, Kyoto, Japan).
Kaur, T., Singh, J., Huffman, M.A., Moscovice, L., Nelson, P. (2004) CyberCHIMPP:A mobile field data collection system to facilitate chimpanzee research and conservation. The 20th International Primatological Society Congress (Aug. 2004, Torino, Italy) Folia Primatologica 75(Suppl 1): 288.
Mikami, A., Nishimura, T., Miwa, T., Matsui, M., Tanaka, M., Tomonaga, T., Matsuzawa, T., Suzuki, J., Kato, A., Matsubayashi, K., Goto, S., Hashimoto, C. (2004) Development of the Brain Structures in Chimpanzee infants. The 20th International Primatological Society Congress (Aug. 2004, Turino, Italy) Folia Primatologica 74(Sup.1): 303.
Moscovice, L.R., Petrzelkova, K., Issa, M., Huffman, M., Snowdon, C., Mbago, F., Kaur, T., Singh, J., Graziani, G. (2004) Role of lianas for introduced chimpanzees (Pan troglodytes) on Rubondo Island, Tanzania. The 20th International Primatological Society Congress (2004年8月, Torino) Folia Primatologica 75(Suppl. 1): 308.
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