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Temporary Splitting or subgrouping in male bands of Hanuman langurs, Presbytis entellus around Jodhpur, western India

✍ Scribed by RAJPUROHIT, L.S.


Book ID
117993257
Publisher
Walter de Gruyter GmbH & Co. KG
Year
1995
Tongue
French
Weight
763 KB
Volume
59
Category
Article
ISSN
0025-1461

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✦ Synopsis


Hanuman langur, Presbytis entellus, social organisation includes bisexual troops and all-male bands. All-made bands tend to split temporarily into two or more subgroups depending upon the number of males in a particular band. The present study reports extensively on subgrouping process in one all-male band and on relevant observations in other all-male bands of the langur population around Jodhpur, Rajasthan (India). Subgrouping is a temporary process. Most of the subgroups included adult males, but none were composed of only juvenile males. Subgrouping or splitting seemed to be due to adult males interest in specific resources such as estrous females and rich feeding sites. The possibility that some kin ties were preserved in subgroups is supported by several observations.

Resume. -^organisation sociale du langur d'Hanuman, Presbytis entellus, comprend des troupes bisexuees et des bandes composees uniquement de males. Ces bandes de males tendent a se scinder temporairement en deux ou plusieurs sous-groupes selon le nombre de males dans les bandes. Le travail presente ici expose essentiellement les donnees d'une bΓ€nde de males et des observations d'autres bandes de la population de langurs autour de Jodhpur, Rajasthan (India). L'eclatement en sous-groupes est un processus temporaire. La plupart des sous-groupes comprennent des males adultes, mais aucun ne comprend que des males juveniles. Le phenomene de scission ou de partition en sous-groupes semble du aux interets des males adultes pour des ressources particulieres telles que les femelles adultes ou des zones particulierement riches en ressources alimentaires. La possibilite que des liens de filiation soient preserves au sein des sousgroupes est confirmee par plusieurs observations.


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