| Project/Area Number |
10044009
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| Research Category |
Grant-in-Aid for Scientific Research (B).
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
実験系心理学
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| Research Institution | Osaka University |
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Principal Investigator |
NAKAMICHI Masayuki Fac. Of Human Sciences, Osaka Univ., Associate Prof., 人間科学部, 助教授 (60183886)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIDA Hiroko Fac. Of Medical Welfare, Kawasaki Univ. of Medical Welfare, Associate Prof., 医療福祉学部, 助教授 (90266081)
LINDBURG Don 野生動物繁殖センター, 行動部門, 部門長
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| Project Period (FY) |
1998 – 1999
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| Project Status |
Completed (Fiscal Year 1999)
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| Budget Amount *help |
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 1999: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1998: ¥2,200,000 (Direct Cost: ¥2,200,000)
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| Keywords | Gorilla / Panda / Endangered species / Reproduction / Captivity / Maternal separation / 飼育 / 繁殖行動 / 子育て行動 / 社会行動 |
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| Research Abstract |
The present study was conducted to describe reproductive and other behaviors of two endangered species, Gorilla and Panda, in captivity. Gorillas were observed in two facilities, the San Diego Wild Animal Park and Colonbus Zoo, Ohio. Adult females maintained affiliative interactions with the leading male but social relationships among adult females were infrequent. This tendency was very similar to that in the wild. Some adult females failed in taking care of their own infants, but hand-reared infants were successfully introduced to breeding groups. Therefore, most gorillas in the two facilities were able to maintain the ability to perform appropriate reproductive behaviors. Environmental enrichment is also very important for captive gorillas to display behaviors appropriate for not only reproduction but also maintenance of stable social groups. Moreover, behavioral responses of an infant gorilla to maternal separation were very similar to those of human children. Three giant pandas of two facilities in Japan were observed. They had problems to display stereotyped behaviors. Occurrences of some types of such behaviors were related with behaviors of visitors.
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