期刊
PRIMATES
卷 52, 期 2, 页码 187-198出版社
SPRINGER JAPAN KK
DOI: 10.1007/s10329-011-0239-5
关键词
Barbary macaque; Condensed tannin; Japanese macaque; Leaf chemistry; Temperate forest
类别
资金
- JSPS
- KUPRI
- MEXT [20770195, 22687002]
- COE [A14]
- Grants-in-Aid for Scientific Research [23657018, 22687002, 20770195] Funding Source: KAKEN
Habitat, diet and leaf chemistry are compared between Japanese and Barbary macaques to reveal the similarities and differences in dietary adaptations of temperate primates living at the eastern and western extremes of the genus Macaca. Tree species diversity and proportion of fleshy-fruited species are much higher in Japan than in North Africa. Both species spend considerable annual feeding time on leaves. Japanese macaques prefer fruits and seeds over leaves, and Barbary macaques prefer seeds. These characteristics are adaptive in temperate regions where fruit availability varies considerably with season, since animals can survive during the lean period by relying on leaf and other vegetative foods. The two species are different with respect to the higher consumption of herbs by Barbary macaques, and the leaves consumed contain high condensed and hydrolysable tannin for Barbary but not for Japanese macaques. Barbary macaques supplement less diverse tree foods with herbs. Because of the low species diversity and high tannin content of the dominant tree species, Barbary macaques may have developed the capacity to cope with tannin. This supports the idea that digestion of leaves is indispensable to survive in temperate regions where fruit and seed foods are not available for a prolonged period during each year.
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