Male Tibetan macaques＇ （Macaca thibetana） choice of infant bridging partners

Adult male Tibetan （Macaca thibetana）, Barbary （M. sylvanus）, and stump-tailed macaques （M. arctoides） engage in bridging, a ritualized infant-handling behavior. Previous researchers found a bias toward the use of male infants for this behavior, but its function is debated. Explanations include thre...

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Bibliographic Details
Published in:动物学研究 2014, Vol.35 (3), p.222-230
Main Author: Briana BAUER Lori K. SHEERAN Megan D. MATHESON Jin-Hua LI R. Steven WAGNER
Format: Article
Language:Chinese
Subjects:
亲和关系
合作伙伴
婴儿
桥接
短尾猴
研究人员
藏猕猴
雄性
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Summary:Adult male Tibetan （Macaca thibetana）, Barbary （M. sylvanus）, and stump-tailed macaques （M. arctoides） engage in bridging, a ritualized infant-handling behavior. Previous researchers found a bias toward the use of male infants for this behavior, but its function is debated. Explanations include three hypotheses： paternal care, mating effort, and agonistic buffering. We studied a group of habituated, provisioned Tibetan macaques to test whether adult males＇ affiliative relationships with females predicted their use of an infant for bridging. We also examined biases for sex, age, and individual in males＇ choice of bridging infant. We collected data via all occurrences, focal animal, and scan methods, from August to September 2011 at the Valley of the Wild Monkeys, China. We found that male infants were significantly preferred over females for bridging, but of three male infants in the group, only one was used by all males, while one male infant was used less often than expected. Adult males had females they wer
ISSN:0254-5853