Social behavior of the emperor tamarin in captivity: Components of agonistic display and the agonistic network |
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Authors: | Kerry L Knox Donald Stone Sade |
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Institution: | (1) Department of Anthropology, Northwestern University, 60208 Evanston, Illinois;(2) Department of Neurobiology and Physiology, Northwestern University, 60208 Evanston, Illinois;(3) The North Country Institute for Natural Philosophy, Inc., 13114 Mexico, New York State |
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Abstract: | Agonistic behavior was studied longitudinally for 16 months in an intact family groups of captive emperor tamarins (Saguinus
imperator subgrisescens) using methods from quantitative ethology and social network analysis. A motivational analysis of
the components of agonistic display revealed the relative strength of each component along a continuum from strongly dominant
to strongly subordinate. Tabulations of exchanges of strongly dominant and strongly subordinate components in interactions
among the tamarins revealed an agonistic network (“dominance hierarchy”) that approached, but did not quite reach, the ideal
state of a transitive order (“linear dominance hierarchy”). The frequency with which individual tamarins long called and scent
marked was not closely correlated with their position (“dominance rank”) in the agonistic network. Instead, individuals undergoing
change in status long called and scent marked frequently, irrespective of their rank. |
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Keywords: | Saguinus imperator dominance scent marking social networks communication |
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