Dispersal,nepotism, and primate social behavior |
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Authors: | Jim Moore |
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Institution: | (1) Anthropology Department, University of California At San Diego, 92093 La Jolla, California |
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Abstract: | High degrees of relatedness within primate social groups are thought to promote the evolution of altruistic behavior via kin
selection. Dispersal, for whatever reason, should limit opportunities for nepotistic behaviors. Conversely, emigration is
usually attributed to the avoidance of inbreeding depression. Actual dispersal patterns may result from a balance of these
forces. Systematic behavioral differences are expected between taxa that differ in such patterns. In fact, comparisons of
(a) colobines vs. cercopithecines, (b) bonnet, stumptailed, and Barbary macaques vs. Japanese and rhesus macaques, and (c)
red vs. mantled howler monkeys yield a perplexing blend of unexplained differences and unmet theoretical expectations. Kin
selection may be less important than generally believed, and/or methodological standardization more so. |
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Keywords: | kin selection macaques colobines howlers alloparenting |
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