Assessing the effects of cognitive experiments on the welfare of captive chimpanzees (Pan troglodytes) by direct comparison of activity budget between wild and … Y Yamanashi, M Hayashi American journal of primatology 73 (12), 1231-1238, 2011 | 95 | 2011 |
Cortisol analysis of hair of captive chimpanzees (Pan troglodytes) Y Yamanashi, N Morimura, Y Mori, M Hayashi, J Suzuki General and comparative endocrinology 194, 55-63, 2013 | 81 | 2013 |
Tools to tipple: ethanol ingestion by wild chimpanzees using leaf-sponges KJ Hockings, N Bryson-Morrison, S Carvalho, M Fujisawa, T Humle, ... Royal Society open science 2 (6), 150150, 2015 | 67 | 2015 |
Emotional consequences when chimpanzees (Pan troglodytes) face challenges: individual differences in self-directed behaviours during cognitive tasks Y Yamanashi, T Matsuzawa Animal Welfare 19 (1), 25-30, 2010 | 63 | 2010 |
Common marmoset (Callithrix jacchus) personality, subjective well-being, hair cortisol level and AVPR1a, OPRM1, and DAT genotypes M Inoue-Murayama, C Yokoyama, Y Yamanashi, A Weiss Scientific Reports 8 (1), 10255, 2018 | 54 | 2018 |
Effects of Relocation and Individual and Environmental Factors on the Long-Term Stress Levels in Captive Chimpanzees (Pan troglodytes): Monitoring Hair Cortisol … Y Yamanashi, M Teramoto, N Morimura, S Hirata, M Inoue-Murayama, ... PLoS One 11 (7), e0160029, 2016 | 51 | 2016 |
Analysis of hair cortisol levels in captive chimpanzees: effect of various methods on cortisol stability and variability Y Yamanashi, M Teramoto, N Morimura, S Hirata, J Suzuki, M Hayashi, ... MethodsX 3, 110-117, 2016 | 50* | 2016 |
Adult-adult social play in captive chimpanzees: Is it indicative of positive animal welfare? Y Yamanashi, E Nogami, M Teramoto, N Morimura, S Hirata Applied Animal Behaviour Science 199, 75-83, 2018 | 43 | 2018 |
Introducing tool-based feeders to zoo-housed chimpanzees as a cognitive challenge: spontaneous acquisition of new types of tool use and effects on behaviours and use of space Y Yamanashi, M Matsunaga, K Shimada, R Kado, M Tanaka Journal of Zoo and Aquarium Research 4 (3), 147-155, 2016 | 28 | 2016 |
< Note> Bird in the hand: Bossou chimpanzees (Pan troglodytes) capture West African wood-owls (Ciccaba woodfordi) but not to eat S Carvalho, Y Yamanashi, G Yamakoshi, T Matsuzawa Pan Africa News 17 (1), 6-9, 2010 | 26 | 2010 |
Social relationship and hair cortisol level in captive male chimpanzees (Pan troglodytes) Y Yamanashi, M Teramoto, N Morimura, E Nogami, S Hirata Primates, 1-8, 2017 | 20 | 2017 |
Sleep‐related behaviors in zoo‐housed giraffes (Giraffa camelopardalis reticulata): Basic characteristics and effects of season and parturition N Takagi, M Saito, H Ito, M Tanaka, Y Yamanashi Zoo biology 38 (6), 490-497, 2019 | 11 | 2019 |
Do chimpanzees enjoy a virtual forest? A pilot investigation of the use of interactive art as a form of environmental enrichment for zoo‐housed chimpanzees Y Yamanashi, K Hitoosa, N Yoshida, F Kano, Y Ikkatai, H Sakamoto American Journal of Primatology 84 (10), e23343, 2022 | 10 | 2022 |
Is Hair Cortisol Useful for Animal Welfare Assessment? Review of Studies in Captive Chimpanzees Y Yamanashi Aquatic Mammals 44 (2), 201-210, 2018 | 10 | 2018 |
Quantifying the 60-year contribution of Japanese zoos and aquariums to peer-reviewed scientific research W Anzai, K Ban, S Hagiwara, T Kako, N Kashiwagi, K Kawase, ... Animals 12 (5), 598, 2022 | 8 | 2022 |
Development of bed-building behaviors in captive chimpanzees (Pan troglodytes): Implication for critical period hypothesis and captive management Y Yamanashi, H Bando, M Matsunaga, M Tanaka, E Nogami, S Hirata Primates 61, 639-646, 2020 | 7 | 2020 |
チンパンジーの人工保育とエンターテイメント: 動物福祉・保全と将来展望 山梨裕美, 小倉匡俊, 森村成樹, 林美里, 友永雅己 日本家畜管理学会誌・応用動物行動学会誌 52 (2), 73-84, 2016 | 6 | 2016 |
Social relationships among captive male pygmy slow lorises (Nycticebus pygmaeus): Is forming male same‐sex pairs a feasible management strategy? JA Yumi Yamanashi, Kei Nemoto American Journal of Primatology 83 (2), e23233, 2021 | 5 | 2021 |
How chimpanzees look at movies: The" Art and Science" project in Kyoto City Zoo F Kano, Y Sato, Y Yamanashi Japanese Journal of Animal Psychology 71 (1), 13-26, 2021 | 5 | 2021 |
Nighttime suckling behavior in captive giraffe (Giraffa camelopardalis reticulata) M Saito, N Takagi, M Tanaka, Y Yamanashi Zoological science 37 (1), 1-6, 2020 | 5 | 2020 |