Primates

, Volume 29, Issue 4, pp 465–475 | Cite as

An ecological comparison of two sympatric primates:Saguinus fuscicollis andCallicebus moloch of Amazonian Peru

  • Janis Crandlemire-Sacco
Article

Abstract

The ecologies of two sympatric primates,Saguinus fuscicollis andCallicebus moloch, were compared during a four-month field study in southeastern Peru in order to examine the mechanisms by which these primate frugivores minimize competition for food and space.Saguinus fuscicollis andCallicebus moloch were found to differ dramatically both in diet and in use of the shared habitat. Specifically, tamarins and titis showed very little overlap in their choices of food plants or animal foods and they used distinctive foraging styles, exploiting very different parts of the habitat for animal prey. Significant interspecific differences were found in the use of particular support structures and strata within the forest, and in the density of vegetation preferred. These results suggest that resource competition between saddle-backed tamarins and dusky titis is minimal, a fact that could account for the high frequency of free association between the two species and the benign nature of these interspecific contacts.

Key Words

Ecology Diet Sympatry Competition Polyspecific groups 

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Copyright information

© Japan Monkey Centre 1988

Authors and Affiliations

  • Janis Crandlemire-Sacco
    • 1
  1. 1.Department of AnthropologyUniversity of PittsburghPittsburghU.S.A.

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