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Published online by Cambridge University Press: 30 October 2001
Recent evidence suggests imitation is more developed in somecetaceans than the authors imply. Apart from apes, only dolphinshave so far shown a grasp of what it is to imitate; moreoverdolphins ape humans more clearly than do apes. Why have suchabilities not been associated with the kind of progressive culturalcomplexity characteristic of humans?