Journal
INTERNATIONAL JOURNAL OF PRIMATOLOGY
Volume 23, Issue 1, Pages 105-122Publisher
SPRINGER
DOI: 10.1023/A:1013201924975
Keywords
social learning; tradition; kinship; manipulation; Macaca tonkeana
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We studied the influence of social partners, on food processing and drinking techniques in a semifree-ranging group of Tonkean macaques. In a first study, immature subjects observed their mothers repeateadly eating unfamiliar fruits. They were subsequently allowed to consume the same fruits. We found no evidence for social learning when comparing the technical variants used by the mother and her offspring. In a second study, we recorded the techniques displayed by the monkeys while drinking and eating familiar food. We compared the technical variants used by the members of two different maternal lineages. Whereas a majority of techniques did not differ between lineages, some variants were peculiar to each of them, this effect was independent from age. The results indicate that the possibility of technique transmission should not be excluded among macaques.
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