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256 pages, Paperback
First published January 1, 1982
there can be little doubt that chimpanzess engage in it.Subsequent chapters describe a chimpanzee colony in the Arnhem Zoo, the Netherlands, and its relation to social interactions, such as reciprocity and strategic intelligence.
the chimpanzee island at the Arnhem Zoo housed a limited number of chimpanzees [just like a real island], under simplified conditions,the principles he presents in his case-study apply to apes on an island and apes in the zoo.
In Arnhem the problem of competition for food has beem effectively solved by two measures. First, the public are kept away from the animals so that they cannot feed them. Second, the apes are split up every evening into small groups and fed in the cen cages where they sleep [in order to alleviate the aggression among the chimpanzees].If anything, the Arnhem zoo is more like a haven than a recreation of natural enviornment.