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Bearded capuchin monkeys' and a human's efficiency at cracking palm nuts with stone tools: field experiments
Authors:D. Fragaszy  T. Pickering  P. Izar  E. Ottoni  E. Visalberghi
Affiliation:a Department of Psychology, University of Georgia, U.S.A.
b Department of Experimental Psychology, Institute of Psychology, University of São Paulo, Brazil
c Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche, Rome, Italy
Abstract:
Keywords:anvil   body weight   capuchin   Cebus libidinosus   efficiency   hammer stone   human   nut cracking   palm nut   tool use
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