Primates

, Volume 30, Issue 3, pp 307–323 | Cite as

Cercocebus torquatus: Adaptive feeding and ranging behaviors related to seasonal fluctuations of food resources in the tropical rain forest of south-western Cameroon

  • Masazumi Mitani
Article

Abstract

The feeding and ranging behaviors of mangabeys,Cercocebus torquatus torquatusKerr (1792), were studied over two periods for a total of 15 months in south-western Cameroon between 1983 and 1986. The mangabeys showed stable food acquisition, mainly of fruits produced by canopy trees. Their ranging area, especially the core area, shifted seasonally. The fruiting trees revealed a clumped distribution in space, and provided a fluctuating food resource for frugivores, including the mangabeys. The core area of the mangabeys possibly shifted due to the spatial distribution of fruiting trees, their highest ranking food items. Mangabeys are well adapted to such a fluctuating food distribution, regulating their ranging behaviors to ensure stable food acquisition.

Key Words

Cercocebus torquatus Feeding Ranging Frugivore Fission-fusion 

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Copyright information

© Japan Monkey Centre 1989

Authors and Affiliations

  • Masazumi Mitani
    • 1
  1. 1.Primate Research InstituteKyoto UniversityInuyama, AichiJapan

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