Bearded capuchin monkeys' and a human's efficiency at cracking palm nuts with stone tools: field experiments

Fragaszy, D. ; Pickering, T. ; Liu, Q. ; Izar, P. ; Ottoni, E. ; Visalberghi, E.

Animal behaviour, 2010-02, Vol.79 (2), p.321-332 [Periódico revisado por pares]

Amsterdam: Elsevier Ltd

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