papers
In press
沓掛展之 「チンパンジーに噛まれる」 企画:Fenics (Fieldworker's Experimental Network for Interdisciplinary CommunicationS)フィールドワーカーシリーズ、第8巻『災難・失敗を越えて』椎野若菜・小西公大編 古今書院
壹岐朔巳・沓掛展之 攻撃、敵対行動 霊長類学の百科事典 丸善出版
高畑優・沓掛展之 哺乳類の社会進化『哺乳類学の百科事典』丸善出版
山川真徳・沓掛展之 繁殖システム 『哺乳類学の百科事典』丸善出版
沓掛展之 動物行動学 「チャレンジ!生物学オリンピック 5 行動学・生態学」(宮下直・編集)朝倉書店
山川真徳・沓掛展之 ミーアキャットやハダカデバネズミの協同繁殖 動物の行動と心の事典 日本動物行動学会 朝倉書店
戸田和弥・沓掛展之 霊長類・哺乳類の社会進化 動物の行動と心の事典 日本動物行動学会 朝倉書
Peer Reviewed International Journal / Book Chapter
Ake K, Hashimoto M, Kutsukake N. In press. Odour discrimination in African painted dogs. Anim Behav
Kudo S, Harano T, Tsai JF, Yoshizawa K, Kutsukake N. Maternal care under large clutches with small eggs: the evolution of life history traits in shield bugs. Am Nat.
Harano T, Kutsukake N. Body size evolution in otters distinguished from terrestrial mustelids. J. Evol. Biol.
Yamakawa M, Miura K, Kutsukake N. In press. Helping syndrome is partially confirmed in the eusocial naked mole-rat. Anim Behav.
Takasugi M, Ohtani N, Takemura K, Emmrich S, Zakusilo F, Yoshida Y, Kutsukake N, Mariani JN, Windrem MS, Chandler-Militello D, Goldman SA, Satoh J, Ito S, Seluanov A, Gorbunova V. In press. CD44 correlates with longevity and enhances basal ATF6 activity and ER stress resistance. Cell Reports
Takahata Y, Uchida K, Shimamoto T, Kutsukake N, Shirai K, Tanaka K, Ito M. In press. Supplemental feedings affect diet seasonality and niche width in urban Eurasian red squirrels. J Mammal.
Mizuno K, Ranjeewa ADG, Kutsukake N, Padmalal KUKG. 2023. Collective movements during visits to water bodies in wild Asian elephants. J Ethol.
Sekizawa M, Kutsukake N. In press. Opportunistic availability of an infant and social relationship to a mother influence grooming before infant handling in Japanese macaques. Am J Primatol.
Ake K, Kutsukake N. in press. Contagious yawning in African painted dogs. Animal Cognition
Kutsukake N, Teramoto M, Honma S, Mori Y, Ishida T, Hasegawa T. 2023. Changes in salivary cortisol and testosterone levels in male chimpanzees during the process of reunion with group members. acta ethologica. 26, 45-58.
Iki S, Kutsukake N 2023. Play face in Japanese macaques reflects the sender’s play motivation. Anim Cognition. 26, 849-859
Oka K, Yamakawa M, Kawamura Y, Kutsukake N, Miura K. 2023. The naked mole-rat as a model for healthy aging. Annual Review of Animal Biosciences, 11, 207-226.
Tahahata Y, Uchida K, Shimamoto T, Kutsukake N, 2023. Keeping treasure safe: Eurasian red squirrels cache valuable food far from the food source with low canopy cover. Behaviour 160, 201-216.
Ohkubo Y, Kutsukake N, Koizumi I. 2023. A novel phylogenetic comparative method for evaluating the strength of branch-specific directional selection. Evolution. 77, 63-82.
Harano T, Kutsukake N. 2023. Way to big cats: directional selection in body size evolution in living felids. Journal of Mammalian Evolution 30, 1-12.
Sugita A, Shigeta M, Hayashi N, Okazaki H, Kutsukake N, Terai Y. 2022. Development of genetic markers for sex and individual identification of the Japanese giant flying squirrel (Petaurista leucogenys) by an efficient method using high-throughput DNA sequencing. Zool Sci. 40, 24-31.
Hase K, Kutsukake N. 2022. Plasticity for the kin and conspecific preferences in the frog tadpoles (Rana ornativentris). Animal Cognition. 25, 1653–1664
Nomano FY, Kutsukake N. 2022. Aggression induced by ornament similarity is limited to females in a mutually ornamented fish, Betta brownorum. Anim Behav 190, 233-240.
Kato T, Matsui S, Mikami OK, Ueda K, Kutsukake N. 2022, Sex difference in natal dispersal in the Eurasian tree sparrow (Passer montanus). Ornithological Science. 21, 235-240.
Miura T, Oguchi K, Yamaguchi H, Nakamura M, Sato D, Kutsukake N, Miura K, Hayashi Y, Hojo M, Maekawa K, Shigenobu S, Kano T, Ishiguro A. 2022. Understanding of superorganisms: collective behavior, differentiation and social organization. Artificial Life and Robotics 27, 204-212.
Sekizawa M, Kutsukake N. (2022) Pattern, function, and constraint of infant handling in wild Japanese macaques. Ethology, 128: 412-423
Iki S, Kutsukake N (2022) Victims of play escalation rank below aggressors in Japanese macaques (Macaca fuscata). International Journal of Primatology. 43, 365-383.
Buffenstein R, Amoroso V, Andziak B, Avdieiev S, Azpurua J, Barker AJ, Bennett NC, Brieño-Enríquez MA, Bronner GN, Coen C, Delaney MA, Dengler-Crish CM, Edrey YH, Faulkes CG, Frankel D, Friedlander G, Gibney PA, Gorbunova V, Hine C, Holmes MM, Jarvis JUM, Kawamura Y, Kutsukake N, Kenyon C, Khaled WT, Kikusui T, Kissil J, Lagestee S, Larson J, Lauer A, Lavrenchenko LA, Lee A, Levitt JB, Lewin GR, Lewis Hardell KN, Lin TD, Mason MJ, McCloskey D, McMahon M, Miura K, Mogi K, Narayan V, O'Connor TP, Okanoya K, O'Riain MJ, Park TJ, Place NJ, Podshivalova K, Pamenter ME, Pyott SJ, Reznick J, Ruby JG, Salmon AB, Santos-Sacchi J, Sarko DK, Seluanov A, Shepard A, Smith M, Storey KB, Tian X, Vice EN, Viltard M, Watarai A, Wywial E, Yamakawa M, Zemlemerova ED, Zions M, Smith ESJ. 2022. The naked truth: a comprehensive clarification and classification of current 'myths' in naked mole-rat biology. Biology Reviews. 97:115-140
Iki S, Kutsukake N (2021) Japanese macaques relax vigilance when surrounded by kin. Animal Behaviour, in press. 179, 173-181.
Iki S, Kutsukake N. 2021. Social bias affects vigilance contagion in Japanese macaques. Animal Behaviour. 178, 67-76.
Haba Y, Kutsukake N. 2019. A multivariate phylogenetic comparative method incorporating a flexible function between discrete and continuous traits. Evolutionary Ecology 33, 751–768
Takeda FK, Kutsukake N. 2019. Body size and first-winter survival of red-crowned crane Grus japonensis chicks. Bird Study 66, 420-422
Hase K, Kutsukake N. Developmental effects on social preferences in frog tadpoles, Rana ornativentris. Anim Behav 154, 7-16
Hasegawa M, Kutsukake N. 2019. Kin selection and reproductive value in social mammals. Journal of Ethology. 37: 139-150.
Sekizawa M, Kutsukake N. 2019. Maternal protectiveness is negatively associated with infant handling in wild Japanese macaques. Behaviour. 156: 155-179.
Kutsukake N, Inada M, Sakamoto SH & Okanoya K. 2019. Behavioural interference in work among eusocial naked mole-rats. J Ethol. 37: 101-109.
Kutsukake N, Teramoto M, Honma S, Mori Y, Ikeda K, Yamamoto R, Ishida T, Hasegawa T. 2019. Behavioural and hormonal changes during group formation by male chimpanzees. Behaviour 156: 109-129.
Takeda FK, Hiraiwa-Hasegawa M, Kutsukake N. 2019. Uncoordinated dances associated with high reproductive success in a crane. Behav. Ecol. 30: 101–106
Irie N, Hiraiwa-Hasegawa M, Kutsukake N. 2019. Unique numerical competence of Asian elephants on the relative numerousness judgment task. Journal of Ethology 37: 111-115. (Journal of Ethology, Editor's Choice Award, 2019)
Hasegawa M, Giraudeau M, Kutsukake N, Watanabe M, McGraw KJ. 2018. Repeatability of combat rate across different group compositions in male house finches. Behaviour, 155: 883-904.
Harano T, Kutsukake N. 2018. Directional selection in the evolution of elongated upper canines in clouded leopards and sabre-toothed cats. Journal of Evolutionary Biology. 31:1268-1283
Kutsukake N, Teramoto M, Honma S, Mori Y, Ikeda K, Yamamoto R, Ishida T, Hasegawa T. 2018. The presence of females induces elevated cortisol levels in an alpha male: experimental evidence in chimpanzees. American Journal of Physical Anthropology 167: 327-336.
Takeda FK, Hiraiwa-Hasegawa M, Kutsukake N. 2018. Duet displays within a flock function as a joint resource defence signal in the red-crowned crane. Behavioral Ecology and Sociobiology. 72:66
Ito MH, Yamaguchi M, Kutsukake N. 2018. Redirected aggression as a conflict management tactic in the social cichlid fish Julidochromis regani. Proceedings of the Royal Society of London. Series B, Biological Sciences, 285: 20172681
Takeda FK, Kutsukake N. 2018. Complexity of mutual communication in animals exemplified by paired dance in the red-crowned crane. Japanese Journal of Animal Psychology. 68: 25-37.
Harano T, Kutsukake N. 2018. The evolution of male infanticide in relation to sexual selection in mammalian carnivores. Evolutionary Ecology. 32: 1-8.
Kato T, Matsui S, Terai Y, Tanabe H, Hashima S, Kasahara S, Morimoto G, Mikami OK, Ueda K, Kutsukake N 2017. Male-specific mortality biases secondary sex ratio in Eurasian tree sparrows Passer montanus. Ecology and Evolution. 7: 10675-10682.
Suzuki TN, Kutsukake N 2017 Foraging intention affects whether willow tits call to attract members of mixed-species flocks. Royal Society Open Science 4: 170222
Ito MH, Yamaguchi M, Kutsukake N. 2017. Sex differences in intrasexual aggression among sex-role-reversed, cooperatively breeding cichlid fish Julidochromis regani. J Ethol. 35: 137-144.
Hasegawa M, Arai E, Kutsukake N. 2016. Evolution of tail fork depth in genus Hirundo. Ecology and Evolution. 6: 851-858
Mizuno K, Irie N, Hiraiwa-Hasegawa M, Kutsukake N. 2016. Asian elephants acquire inaccessible food by blowing. Animal Cognition.19: 215-222.
Hasegawa M, Giraudeau M, Kutsukake N, Watanabe M, McGraw KJ. 2015. Bayesian estimation of competitiveness in male house finches: small-billed males are more competitive. Animal Behaviour 108: 207-214.
Takeda FK, Hiraiwa-Hasegawa M, Kutsukake N. 2015. Arch displays signal threat intentions in a fission-fusion flock of the red-crowned crane. Behaviour, 152: 1779-1799.
Hasegawa M, Kutsukake N. 2015. Bayesian competitiveness estimation predicts dominance turnover among males in wild chimpanzees. Behavioral Ecology and Sociobiology 69: 89-99
Kutsukake N, Hosaka K. 2015. Aggression and conflict management. In: Mahale Chimpanzees: 50 Years of Research, (eds) Nakamura M, Hosaka K, Itoh N, Zamma K. Cambridge University Press. 448-458.
Nunn CL, Scully EJ, Kutsukake N, Ostner J, Schülke O, Thrall PH. 2014. Mating competition, promiscuity and life history traits as predictors of sexually transmitted disease risk in primates. International Journal of Primatology. 35: 764-786.
Kutsukake N, Innan H. 2014. Detecting phenotypic selection by approximate Bayesian computation (ABC) in phylogenetic comparative methods. In: Modern Phylogenetic Comparative Methods and their Application in Evolutionary Biology - Concepts and Practice, ed. Garamszegi LZ (Springer), p 409-424.
Matoba T, Kutsukake N, Hasegawa T. 2013. Head rubbing and licking reinforce social bonds in a group of captive African lions, Panthera leo. PLOS ONE. 8: e73044
Nakamura M, Corp N, Fujimoto M, Fujita S, Hanamura S, Hayaki H, Hosaka K, Huffman MA, Inaba A, Inoue E, Itoh N, Kutsukake N, Kiyono-Fuse M, Kooriyama T, Marchant LF, Matsumoto-Oda A, Matsusaka T, McGrew WC, Mitani JC, Nishie H, Norikoshi K, Sakamaki T, Shimada M, Turner LA, Wakibara JV, Zamma K 2013 Ranging behavior of the Mahale chimpanzees: a 16 year study. Primates 54: 171-182.
Kutsukake N, Innan H. 2013 Simulation-based likelihood approach for evolutionary models of phenotypic traits on phylogeny. Evolution 67: 355-367
Kutsukake N 2013 Complex and heterogeneous ethical structure in field primatology. In: Ethics in the field: contemporary challenges (ed) MacClancy J. & Fuentes A. Oxford & New York, Berghahn. p. 84-97
Kutsukake N, Inada M, Sakamoto SH & Okanoya K. 2012 A distinct role of the queen in coordinated workload and soil distribution in eusocial naked mole-rats. PLOS ONE 7: e44584
Kutsukake N, Teramoto M, Homma S, Mori Y, Matsudaira K, Kobayashi H, Ishida T, Okanoya K, Hasegawa T 2012 Individual variation in behavioural reactions to unfamiliar conspecific vocalisation and hormonal underpinnings in male chimpanzees. Ethology 118: 269-280
Kutsukake, N. 2011. Lost in translation: field primatology, culture, and interdisciplinary approaches. In: Centralizing fieldwork: critical perspectives from primatology, biological anthropology and social anthropology. (ed) MacClancy J. & Fuentes A. Oxford & New York, Berghahn. p. 104-120.
Kutsukake, N. 2010. Japanese macaque society as a complex adaptive system. In: The Japanese Macaques. Nakagawa N, Nakamichi M, Sugiura H. Springer, pp. 387-394
Kutsukake, N. & Clutton-Brock, T. H. 2010. Grooming and the value of social relationships in cooperatively breeding meerkats. Animal Behaviour. 79: 271-279
Garamszegi, L.Z., Calhim, S., Dochtermann, N., Hegyi, G., Hurd, P., Jørgensen, C., Kutsukake, N., Lajeunesse, M. J., Pollard, K. A., Schielzeth, H., Symonds, M. R. E. & Nakagawa, S. 2009. Changing philosophies and tools for statistical inferences in behavioral ecology. Behavioral Ecology 20: 1363-1375
Kutsukake, N. & Nunn, C. L. 2009. The causes and consequences of reproductive skew in male primates. In: Reproductive skew in vertebrates: proximate and ultimate causes. (eds) Hager R & Jones CB. Cambridge University Press, Cambridge. Pp. 165-195
Kutsukake N, Ikeda K, Honma S, Teramoto M, Mori Y, Hayasaka I, Yamamoto R, Ishida T, Yoshikawa Y, Hasegawa T. 2009. Validation of salivary cortisol and testosterone assays in chimpanzees by liquid chromatography-tandem mass spectrometry. American Journal of Primatology 71: 696-706
Kutsukake, N. 2009. Complexity, dynamics and diversity of sociality in group-living mammals. Ecological Research 24: 521-531
Fujisawa, K. K., Kutsukake, N. & Hasegawa, T. 2009. Social network analyses of positive and negative relationships among Japanese preschool classmates. International Journal of Behavioral Development 33:193-201
Corp, N., Hayaki, H., Matsusaka, T., Fujita, S., Hosaka, K., Kutsukake, N., Nakamura, M., Nakamura, M., Nishie, H., Shimada, M., Zamma, K., Wallauer, W. & Nishida, T. 2009. Prevalence of muzzle-rubbing and hand-rubbing behavior in wild chimpanzees in Mahale Mountains National Park, Tanzania. Primates 50: 184-189
Fujisawa, K. K., Kutsukake, N. & Hasegawa, T. 2008. The stabilizing role of aggressive children in affiliative social networks among preschoolers. Behaviour 145: 1577-1600
Kutsukake, N. & Clutton-Brock, T. H. 2008. Do meerkats engage in conflict management following aggression? Reconciliation, submission, and avoidance. Animal Behaviour. 75: 1441-1453
Fujisawa, K. K., Kutsukake, N. & Hasegawa, T. 2008. Reciprocity of prosocial behavior in Japanese preschool children. International Journal of Behavioral Development 32: 89-97
Kutsukake, N. & Clutton-Brock, T. H. 2008. The number of subordinates moderates intra-sexual competition among males in cooperatively breeding meerkats. Proceedings of the Royal Society of London. Series B, Biological Sciences 275: 209-216
Kutsukake, N. 2007. Conspecific influences on vigilance behaviour in wild chimpanzees. International Journal of Primatology28: 907-918
Matsumoto-Oda, A., Kutsukake, N., Hosaka, K. & Matsusaka, T. 2007. Sniffing behaviors in Mahale chimpanzees. Primates. 48: 81-85.
Kutsukake, N., Suetsugu, N. & Hasegawa, T. 2006. Pattern, distribution, and function of greeting behaviour among black-and-white colobus. International Journal of Primatology. 27: 1271-1291.
Kutsukake, N. & Clutton-Brock, T. H. 2006. Social function of allogrooming in cooperatively breeding meerkats. Animal Behaviour. 72: 1059-1068.
Kutsukake, N. & Nunn, C. L. 2006. Comparative tests of reproductive skew in male primates: the roles of demographic factors and incomplete control. Behavioral Ecology and Sociobiology. 60: 695-706.
Kutsukake, N. 2006. The context and quality of social relationships affect vigilance behaviour in wild chimpanzees. Ethology112: 581-591
Fujisawa, K. K., Kutsukake, N. & Hasegawa, T. 2006. Peacemaking and consolation in Japanese preschoolers witnessing peer aggression. Journal of Comparative Psychology. 120: 48-57.
Matsusaka, T., Nishie, H., Shimada, M., Kutsukake, N., Zamma, K., Nakamura, M. & Nishida, T. 2006. Tool-use for drinking water by immature chimpanzees of Mahale: prevalence of an unessential behavior. Primates. 47: 113-122.
Kutsukake, N. & Clutton-Brock, T. H. 2006. Aggression and submission reflect reproductive conflict between females in cooperatively breeding meerkats. Behavioral Ecology and Sociobiology 59: 541-548.
Kutsukake, N. & Hasegawa, T. 2005. Dominance turnover between an alpha and a beta male and dynamics of social relationships in Japanese macaques. International Journal of Primatology.26: 775-800.
Fujisawa, K. K., Kutsukake, N. & Hasegawa, T. 2005. Pattern of reconciliation after aggression among Japanese preschool children. Aggressive Behavior. 31: 138-152.
Kutsukake, N. & Castles, D. L. 2004. Reconciliation and post-conflict third-party affiliation among wild chimpanzees at the Mahale Mountains, Tanzania. Primates. 45: 157-165. [most cited award]
Kutsukake, N. 2003. Assessing relationship quality and social anxiety among wild chimpanzees using self-directed behaviour. Behaviour.140: 1153-1171.
Kutsukake, N. & 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: 175-180.
Kutsukake, N. & Castles, D. L. 2001. Reconciliation and variation in postconflict stress in Japanese macaques (Macaca fuscata fuscata): testing the integrated hypothesis. Animal Cognition. 4: 259-268.
Kutsukake, N. 2000. Matrilineal rank inheritance varies with absolute rank in Japanese macaques. Primates. 41: 321-335.
Book review
Kutsukake N (2011) Peter Kappeler (ed). Animal Behaviour: evolution and mechanism. Springer, 2010, 707pp. Primates 52: 93-95 [pdf]
Peer Reviewed Japanese Journal & Other Publications
山川真徳・沓掛展之・三浦恭子 2021 特異な哺乳類ハダカデバネズミの秘密−真社会性・老化耐性・がん化耐性 医学の歩み 279, 7, 742-748. 医歯薬出版
羽場優紀・沓掛展之 群れと社会性 「動物学の百科事典」丸善 p.556.
関澤麻伊沙・加藤貴大(コメント:沓掛展之) 2017 マクロな視点から表現型進化のプロセスを探る 進化学会ニューズレター 18: 21-23.
武田浩平・沓掛展之 2017 タンチョウのダンス バーダー 31: 32-33
沓掛展之・加藤貴大 2016 動物はなぜ群れを形成するのか 【ホルモンから見た生命現象と進化シリーズ】第7巻 生体防御・社会性ー守ー 裳華房 p. 178-190.
沓掛展之 2015(取材協力) つい誰かに教えたくなる人類学63の大疑問 日本人類学会教育普及委員会 (監修), (編集)中山 一大・市石 博 講談社
沓掛展之 2014 動物の社会 「シリーズ 現代の生態学」第4巻「生態学と社会科学の接点」(編集:佐竹暁子・巌佐庸) 共立出版 45-60
堀裕亮・瀧本彩加・坪山佳織・沓掛展之・井上‐村山美穂・藤田和生(2014)御崎馬におけるドーパミン受容体D4遺伝子の多型解析.DNA多型, 22, 42-44.
沓掛展之 2013 家族関係の行動生態学:協力と対立 「家族関係の行動神経基盤」、黒田公美・編集 分子精神医学 13: 53-58
沓掛展之 2013 教授行動 平凡社「新版 心理学事典」
沓掛展之 2013 17項目{繁殖の偏り、平等主義者、専制主義者、歩哨行動、社会構造、社会行動、集団生活、地位依存淘汰、プライド(ライオンの群れ)、なだめ行動、和解行動、ミーアキャット、共同授乳、なぐさめ行動、葛藤後行動、リクルーター・ジョイナーモデル、ハイエナ} 行動生物学辞典 東京化学同人(上田恵介編)
沓掛展之・古賀庸憲(編集) 2012 「シリーズ 現代の生態学」第5巻「行動生態学」 共立出版
古賀庸憲、沓掛展之、狩野賢司 2012 性・性淘汰(2)「シリーズ 現代の生態学」第5巻「行動生態学」(編集:沓掛展之・古賀庸憲) 共立出版 151-165
沓掛展之 2012 進化・系統 「シリーズ 現代の生態学」第5巻「行動生態学」(編集:沓掛展之・古賀庸憲) 共立出版 228-241
沓掛展之 2012 MIT認知科学事典 共立出版 「動物のコミュニケーション」「動物社会における順位」「動物の社会的認知」「社会的遊び行動」の翻訳
沓掛展之 2011 ミーアキャットは謝っても赦されない?「ネクストコム」
沓掛展之 2012 ミーアキャットの生態と行動 ボツワナを知 るための52章 明石書店 38-41
沓掛展之 2012 社会性の進化 進化学事典 日本進化学会創立10 周年記念出版編集委員会 共立出版株式会社 699-701
沓掛展之 2010 行動学に関する8項目 (求愛給餌、きょうだい殺し、グ ループ効果、婚姻、サテライト、狩猟行動、なわばり、レック) 生物学大辞典 (石川統編 東京化学同人)
沓掛展之 2008 哺乳類の社会進化に関する至近・究極要因の総合的理解 日本進化学会ニューズレター
寺本研、森裕介、長野邦寿、早坂郁夫、沓掛展之、池田功毅、 長谷川寿一 2007 チンパンジーの雄のみのグループ形成とその維持 霊長類研究 23: 33-43. (Teramoto M, Mori Y, Nagano K, Hayasaka I, Kutsukake N, Ikeda K, Hasegawa T. 2007. Successful formation and maintenance of all-male groups in captive chimpanzees. Primate Research 23: 33-43.)
沓掛展之 2004 広きバトルフィールドを求めて:ケンブリッジ抜書 動物行動学会ニューズレター
沓掛展之 2002 動物の葛藤解決行動研究と人間研究への応用可能性 生物科学 54巻1号 31-39
沓掛展之 2004 家族内の葛藤:ミーア キャットにおける協同繁殖 遺伝 58 (5) 19-20
沓掛展之 2003 書評:類人猿に見る人間 霊長類研究 19 P. 271-272
沓掛展之 2003 霊長類における攻撃行動再考:葛藤解決行動をとおしてみえてくるもの エコソフィア 12: 36-40
沓掛展之 2003 チンパンジーだってストレスを感じる マハレ珍聞 P.3 Text
Matsusaka, T. & Kutsukake, N. 2002. Use of Leaf-sponge and Leaf-spoon by Juvenile Chimpanzees at Mahale. Pan Africa News. 9: 6-8 Text
沓掛展之 2000 書評:「知恵」はどう伝わるのか ニホンザルの親から子へ渡るもの 生物科学 52巻2号 127