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Experimentally-induced traditions in wild baboons.
The formation of culture in animal societies, including humans, relies on the social transmission of information among individuals in a group. While the cognitive capacities for social transmission of information appear to be present in a wide range of animal species, culture has only been described for handful of species. Whether or not a novel behaviour becomes adopted by an entire group to form a culture may depend on how individuals acquire and use social information.
In this regard, two points are particularly important: (i) not all individuals will have the same opportunities to acquire social information because of differences in their social connections, and (ii) individuals may differ in their propensities to use such information once they have acquired it. In this study, we tested this hypothesis by introducing two novel tasks to groups of wild baboons.
Alecia's research investigated the effect of social network position, personality, dominance rank, age and sex on baboons’ propensities to initially solve the task; opportunities to acquire social information about the task; and propensities to subsequently solve the task after having had opportunities to acquire social information. Alecia discusses the implications of the results for the formation of culture in baboon groups.