Costa RFP, Romano V, Pereira AS, Jordan Hart JDA, MacIntosh A, Hayashi M (2023) Mountain gorillas benefit from social distancing too: Close proximity from tourists affects gorillas' sociality. Conservation Science and Practice, e12859, DOI: 10.1111/csp2.12859

Costa R, Takeshita RSC, Tomonaga M, Huffman MA, Kalema-Zikusoka G, Bercovitch F, Hayashi M (2023) The impact of tourist visits on mountain gorilla behavior in Uganda. Journal of Ecotourism, DOI: 10.1080/14724049.2023.2176507

Hayashi M (2022)  Introduction to "Evolutionary origins of human language: Hierarchical complexity and communicative signals. (特集企画「ヒトの言語の進化的起源：階層的複雑さとコミュニケーションシグナル」序論) Primates, 63, 397-401.

Hayashi M, Takeshita H (2022)  Hierarchical object combination and tool use in the great apes and human children. (ヒトと大型類人猿における階層的な物の組み合わせと道具使用) Primates, 63, 429-441.

Rodrigues ED, António J. Santos AJ, Hayashi M, Matsuzawa T, Hobaiter C (2022) Exploring greetings and leave‑takings: communication during arrivals and departures by chimpanzees of the Bossou community, Guinea. Primates, 63, 443-461.

Bain M, Nagrani A, Schofield D, Berdugo S, Bessa J, Owen J, Hockings KJ, Matsuzawa T, Hayashi M, Biro D, Carvalho S, Zisserman A (2021) Automated audiovisual behavior recognition in wild primates. Science Advances, 7, eabi4883

Costa R, Tomonaga M, Otsuka R, Huffman MA, Bercovitch F, Kalema‐Zikusoka G, Hayashi M (2021) The dispersal dilemma among female mountain gorillas: Risk infanticide and gain protection. African Journal of Ecology, 59, 273-276.

Hayashi M, Takeshita H (2020)  Object sorting into a two-dimensional array in humans and chimpanzees. (ヒトとチンパンジーにおける二次元平面上への物の配置) Primates, 62, 29-39.

Allanic M, Hayashi M, Matsuzawa T (2020)  Investigating the function of mutual grooming in captive bonobos (Pan paniscus) and chimpanzees (Pan troglodytes). Folia Primatologica, 91, 481-494.

Allanic M, Hayashi M, Furuichi T, Matsuzawa T (2020)  Social influences on grooming site p62, references in wild bonobos (Pan paniscus) at Wamba, DRC. Primates, 61, 213-223.

Schofield D, Nagrani A, Zisserman A, Hayashi M, Matsuzawa T, Biro D, Carvalho S (2019)  Chimpanzee face recognition from videos in the wild using deep learning. (深層学習による野生のビデオ記録からのチンパンジーの顔の認識) Science Advances, 5, eaaw0736.

Costa R, Hayashi M, Huffman MA , Kalema-Zikusoka G, Tomonaga M (2019)  Water games by mountain gorillas: implications for behavioral development and flexibility—a case report. Primates, 60, 493-498.

Hayashi M, Kawakami F, Roslan R, Hapiszudin NM , Dharmalingam S (2018)  Behavioral studies and veterinary management of orangutans at Bukit Merah Orang Utan Island, Perak, Malaysia. (マレーシア・ペラ州・ブキッメラ・オランウータン島におけるオランウータンの行動研究と獣医学的飼育管理) Primates, 59, 135-144.

Tsutaya T, Fujimori Y, Hayashi M, Yoneda M, Miyabe‐Nishiwaki T (2017)  Carbon and nitrogen stable isotopic offsets between diet and hair/feces in captive chimpanzees. Rapid Communications in Mass Spectrometry, 31, 59-67.

Mendonça RS. , Kanamori T, Kuze N, Hayashi M, Bernard H, Matsuzawa T (2017)  Development and behavior of wild infant-juvenile East Bornean orangutans (Pongo pygmaeus morio) in Danum Valley. Primates, 58, 211-224.

Hayashi M, Matsuzawa T (2017)  Mother-infant interactions in captive and wild chimpanzees. (飼育下と野生のチンパンジーにおける母子関係) Infant Behavior and Development, 48, 20-29.

Yamanashi Y, Teramoto M, Morimura N, Hirata S, Suzuki J, Hayashi M, Kinoshita K, Murayama M, Idani G (2016)  Analysis of hair cortisol levels in captive chimpanzees: Effect of various methods on cortisol stability and variability. (チンパンジーの体毛中コルチゾル測定に影響を与える要因について) MethodsX, 3, 110-117.

Toda K, Ryu H, Hayashi M, Furuichi T (2016)  An infant bonobo mimicked a handicapped motor action of a disabled individual at Wamba in the Luo Scientific Reserve, Democratic Republic of Congo. Pan Africa News, 23, 3-5.

Sakuraba Y, Tomonaga M, Hayashi M (2016)  A new method of walking rehabilitation using cognitive tasks in an adult chimpanzee (Pan troglodytes) with a disability: a case study. Primates, 57, 403-412.

Nishimura T, Mori F, Hanida S, Kumahata K, Ishikawa S, Samarat K, Miyabe-Nishiwaki T, Hayashi M, Tomonaga M, Suzuki J, Matsuzawa T, Matsuzawa T (2016)  Impaired Air Conditioning within the Nasal Cavity in Flat-Faced Homo. PLoS Computational Biology, 12(3), e1004807.

Mendonça RS. , Takeshita RSC. , Kanamori T, Kuze N, Hayashi M, Kinoshita K, Bernard H, Matsuzawa T (2016)  Behavioral and physiological changes in a juvenile Bornean orangutan after a wildlife rescue. Global Ecology and Conservation, 8, 116-122.

Okamoto M, Imai S, Miyanohara M, Saito W, Momoi Y, Nomura Y, Ikawa T, Ogawa T, Miyabe-Nishiwaki T, Kaneko A, Watanabe A, Watanabe S, Hayashi M, Tomonaga M, Hanada N (2015)  Streptococcus panodentis sp. nov., from the oral cavities of chimpanzees. Microbiology and Immunology, 59, 526–532.

Hayashi M (2015)  Perspectives on object manipulation and action grammar for percussive actions in primates. Philosophical Transactions of the Royal Society B, 370(1682): 20140350.

Saito A, Hayashi M, Takeshita H, Matsuzawa T (2014)  The origin of representational drawing: A comparison of human children and chimpanzees. (人間の描画の起源をチンパンジーとの比較研究から解明) Child Development, 85, 2232-2246.

Yamanashi Y, Morimura N, Mori Y, Hayashi M, Suzuki J (2013)  Cortisol analysis of hair of captive chimpanzees (Pan troglodytes). (飼育チンパンジーの体毛中コルチゾル測定：長期的なストレスの評価指標として) General and Comparative Endocrinology, 194, 55-63.

Miyabe-Nishiwaki T, Kaneko T, Sakai T, Kaneko A, Watanabe A, Watanabe S, Maeda N, Kumazaki K, Suzuki J, Fujiwara R, Makishima H, Nishimura T, Hayashi M, Tomonaga M, Matsuzawa T, Mikami A (2013)  Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes). (チンパンジーにおけるクモ膜のう胞の一例) Primates, 55, 7-12.

Hayashi M, Sakuraba Y, Watanabe S, Kaneko A, Matsuzawa T (2013)  Behavioral recovery from tetraparesis in a captive chimpanzee. (飼育下チンパンジーの四肢麻痺からの行動回復) Primates, 54, 237-243.

Okamoto M, Imai S, Miyanohara M, Saito W, Momoi Y, Abo T, Nomura Y, Ikawa T, Ogawa T, Miyabe-Nishiwaki T, Kaneko A, Watanabe A, Watanabe S, Hayashi M, Tomonaga M, Hanada N (2012)  Streptococcus troglodytae sp. nov., from the Chimpanzee Oral Cavity. International Journal of Systematic and Evolutionary Microbiology, 63, 418-422.

Hayashi M, Ohashi G, Ryu HJin  (2012)  Responses toward a trapped animal by wild bonobos at Wamba. Animal Cognition, 15, 731–735.

Yamanashi Y, Hayashi M (2011)  Assessing the effects of cognitive experiments on the welfare of captive chimpanzees (Pan troglodytes) by direct comparison of activity budget between wild and captive chimpanzees. American Journal of Primatology, 73, 1231-1238.

Saito A, Hayashi M, Ueno A, Takeshita H (2011)  Orientation-indifferent representation in children's drawings. Japanese Psychological Research, 53, 379-390.

Miyabe-Nishiwaki T, Kaneko A, Nishiwaki K, Watanabe A, Watanabe S, Maeda N, Kumazaki K, Morimoto M, Hirokawa R, Suzuki J, Ito Y, Hayashi M, Tanaka M, Tomonaga M, Matsuzawa T (2010)  Tetraparesis resembling acute transverse myelitis in a captive chimpanzee (Pan troglodytes): long-term care and recovery (飼育下チンパンジーにおける横断性脊髄炎に類似した四肢不全麻痺:長期療養と回復) Journal of Medical Primatology, 39, 336-346.

Biro D, Humle T, Koops K, Sousa C, Hayashi M, Matsuzawa T (2010)  Chimpanzee mothers at Bossou, Guinea carry the mummified remains of their dead infants. (野生チンパンジーとその子どもの死についての事例報告) Current Biology, 20, R351-R352.

Poti P, Hayashi M, Matsuzawa T (2009)  Spatial construction skills of chimpanzees (Pan troglodytes) and young human children (Homo sapiens sapiens). Developmental Science, 12, 536-548.

Hayashi M, Sekine S, Tanaka M, Takeshita H (2009)  Copying a model stack of colored blocks by chimpanzees and humans. Interaction Studies, 10, 130-149.

Hayashi M, Takeshita H (2009)  Stacking of irregularly shaped blocks in chimpanzees (Pan troglodytes) and young humans (Homo sapiens). Animal Cognition, 12, S49-S58.

Crast J, Fragaszy D, Hayashi M, Matsuzawa T (2009)  Dynamic in-hand movements in adult and young juvenile chimpanzees (Pan troglodytes). American Journal of Physical Anthropology, 138, 274-285.

Hayashi M (2007)  A new notation system of object manipulation in the nesting-cup task for chimpanzees and humans. Cortex, 43, 308-318.

Hayashi M (2007)  Stacking blocks by chimpanzees: developmental processes and physical understanding. Animal Cognition, 10, 89-103.

Hayashi M, Mizuno Y, Matsuzawa T (2005)  How does stone-tool use emerge? Introduction of stones and nuts to naive chimpanzees in captivity. Primates, 46(2): 91-102.

Hayashi M, Matsuzawa T (2003)  Cognitive development in object manipulation by infant chimpanzees. Animal Cognition, 6: 225-233

林美里・竹下秀子 (2002) ボノボとゴリラの子どもの「物遊び」. 動物心理学研究 52: 73-80.