NDLI: Juveniles Outrank Higher-Born Females in Groups of Long-Tailed Macaques with Minimal Kinship

Content Provider	Springer Nature Link
Author	Chapais, Bernard Gauthier, Carole
Copyright Year	2004
Abstract	In a typical matrilineal or nepotistic hierarchy a mother's rank sets both her daughter's lowest rank (above lower-born females), and her daughter's highest rank (below the mother and higher-born females). Long-tailed macaques (Macaca fascicularis) form typical matrilineal dominance orders. We report a variant of this system that we observed in 4 groups of captive long-tailed macaques characterized by an unusual kinship structure. Each group was composed of the smallest possible matrilineages (mother-offspring pairs), the mothers being unrelated to each other. In each group, juveniles ranked above all the females subordinate to their mother, as this is the case in a typical matrilineal hierarchy, but a majority of juveniles of both sexes outranked their own mothers and/or several higher-born females and their offspring. Adult females resisted the juveniles and were ≥2.5 times heavier than the latter. The patterning of interventions in conflicts suggests that this unusual ranking pattern resulted from the existence of bridging alliances between the juveniles and individuals ranking above the juveniles' targets. The results indicate that the sole presence of the mother is sufficient for a daughter to outrank the females subordinate to her mother, but it is not sufficient to prevent the daughter from ascending the rank order. Our data suggest that in the absence of extensive alliances among kin, which normally stabilize the rank order, juveniles were able to benefit from infrequent, opportunistic interventions by high-ranking nonkin individuals.
Starting Page	429
Ending Page	447
Page Count	19
File Format	PDF
ISSN	01640291
Journal	International Journal of Primatology
Volume Number	25
Issue Number	2
e-ISSN	15738604
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2004-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Human Genetics Evolutionary Biology Anthropology/Archaeometry
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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