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