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Labor division and cooperation in problem solving primate groups comparative studies on cercopithecus aethiops and lemur fulvus albifrons



Labor division and cooperation in problem solving primate groups comparative studies on cercopithecus aethiops and lemur fulvus albifrons



Zoologische Beitraege 31(3): 305-340



A scare food supply normally forces a free ranging primate group to learn and apply new strategies of searching for food. Such a situation was simulated in the Lemurs (lemur fulvus albifrons) in the Berlin Zoo. Confronted with the forageing task, the groups showed a divisions of role and a division of labour. The division of roles meant that one or two group members, called "worker", undertook at least 75% of the solutions, whereas the other subjects, called "profiteers", only occassionally opened the box for the group. Such a relation of cost and efficiency was classified as a "worker-profiteer-relationship." The division of role and labour is described for each species and compared. Observed ranking is also reported.

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