Challenge of the night-time observation on diurnal primates: Investigation on the first observed rumination behaviour and anti-predator strategy in proboscis monkeys
| Project/Area Number |
24657170
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Physical anthropology
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| Research Institution | Kyoto University |
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Principal Investigator |
MATSUDA Ikki 京都大学, 霊長類研究所, 助教 (90533480)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Keywords | 夜間観察 / 霊長類 / テングザル / 捕食者 / 糞粒度 / 反芻行動 / コロブス亜科 / 睡眠 |
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| Research Abstract |
Colobine monkeys including proboscis monkeys tended to prefer leaves containing higher protein levels, although more abundant plant species were chosen within the preferred species, suggesting that there is no specific food preferences between the primates with rumination (i.e. proboscis monkey) and non-rumination (other primates) behaviours. Based on the comparisons of the discrete mean faecal particle size among non-human primates, we represented circumstantial evidence for regular use of rumination in proboscis monkeys probably during the night-time. Indeed, their rumination behaviours were more frequently recorded during the night-time than during the day-time.
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Report
(3 results)
Research Products
(34 results)
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[Journal Article] Faecal particle size in free-ranging primates supports'rumination'strategy in the proboscis monkey (Nasalis larvatus)2014
Author(s)
Matsuda I, Tuuga A, Hashimoto C, Bernard H, Yamagiwa J, Fritz J, Tsubokawa K, Yayota M, Murai T, Iwata Y, Clauss M.
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Journal Title
Oecologia
Volume: 174
Pages: 1127-1137
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[Journal Article] Coming down from the trees : Is terrestrial activity in Bornean orangutans natural or disturbance driven?
Author(s)
Ancrenaz M, Sollmann R, Meijaard E, Hearn AJ, Ross J, Samejima H, Loken B, Cheyne SM, Stark DJ, Gardner PC, Goossens B, Mohamed A, Bohm T, Matsuda I, Nakabayasi M, Lee SK, Bernard H, Brodie I, Wich S, Fredriksson G, Hanya G, Harrison ME, Kanamori T, Kretzschmar P, Macdonald DW, Riger P, Spehar S, Ambu LN, Wilting A.
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Journal Title
Scientific Reports
Volume: 4
Pages: 4024-4024
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