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12 - Gorilla social relationships: A comparative overview

Published online by Cambridge University Press:  11 August 2009

By
David P. Watts
Edited by
Andrea B. Taylor  and
Michele L. Goldsmith
David P. Watts
Affiliation:
Department of Anthropology, Yale University, New Haven, CT 06520, U.S.A.
Andrea B. Taylor
Affiliation:
Duke University, North Carolina
Michele L. Goldsmith
Affiliation:
Tufts University, Massachusetts
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Summary

Introduction

Research on mountain gorillas (Gorilla gorilla beringei) in the Virunga Volcanoes region of Rwanda, Uganda, and the Democratic Republic of Congo provides one of the best case studies of nonhuman primate behavior in the wild. Data on mountain gorilla ecology, life-history tactics, and social relationships, collected mainly at the Karisoke Research Center in Rwanda's Parc National des Volcans, have contributed prominently to the development of theory in primate socioecology (e.g., van Schaik, 1989; Sterck et al., 1997). For example, the association of female transfer with low levels of contest competition for food in mountain gorillas (Stewart and Harcourt, 1987; Watts, 1990a, 1994a, 1996, 1997) supports ideas on the ecology of female social relationships (van Schaik, 1989). Also, the influence of infanticide on transfer decisions (Watts, 1989, 1996) supports current ideas on male–female association and social relationships (Sterck et al., 1997). Important generalizations from the Virunga population seem to apply to other gorilla populations and subspecies, but we know that feeding ecology varies considerably across habitats and subspecies and face intriguing questions about variation in social organization and social relationships. However, while good comparative data on feeding ecology exist for eastern lowland gorillas (G. g. graueri; reviewed in Yamagiwa et al., 1996) and western lowland gorillas (G. g. gorilla; reviewed in Doran and McNeilage, 1998), we lack comparably detailed data on social behavior, demography, and life-history tactics.

Type
Chapter
Information
Gorilla Biology
A Multidisciplinary Perspective
 , pp. 302 - 327
Publisher: Cambridge University Press
Print publication year: 2002

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