著者
寺本 研 森 森裕介 長野 邦寿 早坂 郁夫 沓掛 展之 池田 功毅 長谷川 寿一
出版者
日本霊長類学会
雑誌
霊長類研究 (ISSN:09124047)
巻号頁・発行日
vol.23, no.1, pp.33-43, 2007 (Released:2009-01-01)
参考文献数
23
被引用文献数
3 or 0

Chimpanzees are a naturally highly sociable species. Therefore, it is desirable to keep captive individuals in a social group. Although the dyadic introduction method has been commonly used to form social groups, it has not always been successful. In the present study, we tested a new method to create three all-male groups, two of which consisted of .ve individuals, and one of nine individuals. This method requires three stages. First, male dyads were put into neighboring cages in which the individuals could see each other. Tentative social rank was determined by observing the males' behaviors in these dyadic encounters. Next, they were moved to an unfamiliar environment and housed individually. Several days later, they were introduced one by one to an outside enclosure. Three allmale groups have been maintained so far, suggesting that group formation was successful. The occurrence of severe injury was considerably lower than that seen commonly in multi-male multi-female groups. Moreover, signi.cant effects of the group formation on male behavior (e.g., increased number of active social behaviors and decreased abnormal behaviors) were observed. These results demonstrate the effectiveness of our new method of forming all-male chimpanzee groups.

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でも霊長類はしょせん動物なので割と何をしてもよく、一番よかった飼育実験は 「チンパンジーのハーレムからあぶれた雄たちがかわいそうだから、雄だけの群つくったろ」ってやつ https://t.co/n60sVbtWv7
こちらもなかなか。もっと精読してみます。>寺本研ら「チンパンジーの雄のみのグループ形成とその維持」http://www.jstage.jst.go.jp/article/psj/23/1/33/_pdf/-char/ja/

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