Document Detail


The number of cultural traits is correlated with female group size but not with male group size in chimpanzee communities.
MedLine Citation:
PMID:  20352086     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
What determines the number of cultural traits present in chimpanzee (Pan troglodytes) communities is poorly understood. In humans, theoretical models suggest that the frequency of cultural traits can be predicted by population size. In chimpanzees, however, females seem to have a particularly important role as cultural carriers. Female chimpanzees use tools more frequently than males. They also spend more time with their young, skewing the infants' potential for social learning towards their mothers. In Gombe, termite fishing has been shown to be transmitted from mother to offspring. Lastly, it is female chimpanzees that transfer between communities and thus have the possibility of bringing in novel cultural traits from other communities. From these observations we predicted that females are more important cultural carriers than males. Here we show that the reported number of cultural traits in chimpanzee communities correlates with the number of females in chimpanzee communities, but not with the number of males. Hence, our results suggest that females are the carriers of chimpanzee culture.
Authors:
Johan Lind; Patrik Lindenfors
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-03-24
Journal Detail:
Title:  PloS one     Volume:  5     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2010  
Date Detail:
Created Date:  2010-03-30     Completed Date:  2011-01-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e9241     Citation Subset:  IM    
Affiliation:
Department of Zoology, Stockholm University, Centre for the Study of Cultural Evolution, Stockholm, Sweden. johan.lind@zoologi.su.se
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MeSH Terms
Descriptor/Qualifier:
Algorithms
Animals
Behavior, Animal
Cultural Characteristics*
Female
Likelihood Functions
Male
Models, Statistical
Pan troglodytes / physiology*
Phylogeny
Sex Factors
Social Behavior
Comments/Corrections

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