NDLI: Male Migration in Barbary Macaques (Macaca sylvanus) at Affenberg Salem

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Natural Disasters and Primate Populations: The Effects of a 2-Year Drought on a Naturally Occurring Population of Ring-Tailed Lemurs (Lemur catta) in Southwestern Madagascar

Male Migration in Barbary Macaques (Macaca sylvanus) at Affenberg Salem

Paternity Determination in Two Groups of Eulemur fulvus mayottensis: Implications for Understanding Mating Strategies

Ontogenetic Patterning of Skeletal Fluctuating Asymmetry in Rhesus Macaques and Humans: Evolutionary and Developmental Implications

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International Journal of Primatology : Volume 19

International Journal of Primatology : Volume 18

Male Migration in Barbary Macaques (Macaca sylvanus) at Affenberg Salem

Content Provider	Springer Nature Link
Author	Kuester, Jutta Paul, Andreas
Copyright Year	1999
Abstract	We analyzed male migration during a 20-year period in the free-ranging Barbary macaque population of Affenberg Salem. Most natal migrations occurred around puberty, but only one third of all males left the natal group. Secondary group transfers were rare. All males immediately transferred to other bisexual groups. Migration rates were highest during periods with high adult female/male ratios within social groups. Immigrants highly preferred groups with fewer males of their own age than in the natal group, and many males immigrated into groups that had no male their own age. These groups originated from a skewed distribution of resident males during group fissions. A comparison of emigrants with their natal peers supports the inbreeding avoidance hypothesis as cause of emigration rather than the male competition avoidance hypothesis. Emigrants had no lower individual rank position and did not come from lower-ranking matrilines. Emigrants had more female maternal relatives, especially sisters. Males without female relatives almost never emigrated. Conversely, there is virtually no indication that emigrants were evicted from the natal group. Emigrants had no increased mortality. Paternity data revealed that the reproductive success of emigrants and natal males is similar, indicating that emigration had no reproductive cost. Many similarities between emigrants and natal males that separated from female maternal kin during group fissions suggest that inner migration during fissions is an alternative way to avoid maternal inbreeding. The mating system resulted in a genetic structure within social groups that largely diminished the chances for paternal inbreeding even without recognizing paternal kin.
Starting Page	85
Ending Page	106
Page Count	22
File Format	PDF
ISSN	01640291
Journal	International Journal of Primatology
Volume Number	20
Issue Number	1
e-ISSN	15738604
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	1999-01-01
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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