Journal Article <論文・報告>ニホンザル(Macaca fuscata)餌付け群における水場利用

吉田, 慧司

1pp.20 - 22 , 2016-03 , 京都大学学際融合教育研究推進センター高大接続科学教育ユニット
理学 人類進化論
Humans swim voluntarily. For example, many of us go to the sea when we feel hot. What about the Japanese macaque (Macaca fuscata)? In addition, we drink water when we eat food, but is there a similar connection between eating and drinking for the Japanese macaques? To address these questions, I performed fixed-point observations of Japanese macaques around the pond of Arashiyama Monkey Park for three days. I observed their water play, such as paddling through water, swimming, and preventing other macaques from coming out of the water, and the most of these behavior occurred on hot days. These behavior apparently occur to cool their body temperature. In addition, the number of macaques that drank water peaked between 10 to 30 minutes after being fed. This delay in drinking may be because macaques first store their food in their cheek pouches before consumption.

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