Selection of effective stone tools by wild bearded capuchin monkeys (Articolo in rivista)

Type
Label
  • Selection of effective stone tools by wild bearded capuchin monkeys (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.cub.2008.11.064 (literal)
Alternative label
  • Visalberghi E.; Addessi, E.; Truppa, V.; Spagnoletti, N.; Ottoni, E.; Izar P.; Fragaszy D. (2009)
    Selection of effective stone tools by wild bearded capuchin monkeys
    in Current biology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Visalberghi E.; Addessi, E.; Truppa, V.; Spagnoletti, N.; Ottoni, E.; Izar P.; Fragaszy D. (literal)
Pagina inizio
  • 213 (literal)
Pagina fine
  • 217 (literal)
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  • http://www.sciencedirect.com/science/article/pii/s0960-9822(08)01624-2 (literal)
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  • 19 (literal)
Rivista
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  • doi:10.1016/j.cub.2008.11.064 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Visalberghi E. Unit of Cognitive Primatology and Primate Center Institute of Cognitive Sciences and Technologies CNR Addessi, E. Unit of Cognitive Primatology and Primate Center Institute of Cognitive Sciences and Technologies CNR Truppa, V. Unit of Cognitive Primatology and Primate Center Institute of Cognitive Sciences and Technologies CNR Department of General Psychology University of Padua Spagnoletti, N. Unit of Cognitive Primatology and Primate Center Institute of Cognitive Sciences and Technologies CNR Department of Animal and Human Biology Sapienza Universita` di Roma Ottoni, E. Department of Experimental Psychology University of Sao Paulo (Brazil) Izar P. Department of Experimental Psychology University of Sao Paulo (Brazil) Fragaszy D. Psychology Department University of Georgia Athens (USA) (literal)
Titolo
  • Selection of effective stone tools by wild bearded capuchin monkeys (literal)
Abstract
  • Appreciation of objects’ affordances and planning is a hallmark of human technology. Archeological evidence suggests that Pliocene hominins selected raw material for tool making [1, 2]. Stone pounding has been considered a precursor to tool making [3, 4], and tool use by living primates provides insight into the origins of material selection by human ancestors. No study has experimentally investigated selectivity of stone tools in wild animals, although chimpanzees appear to select stones according to properties of different nut species [5, 6]. We recently discovered that wild capuchins with terrestrial habits [7] use hammers to crack open nuts on anvils [8–10]. As for chimpanzees, examination of anvil sites suggests stone selectivity [11], but indirect evidence cannot prove it. Here, we demonstrate that capuchins, which last shared a common ancestor with humans 35 million years ago, faced with stones differing in functional features (friability and weight) choose, transport, and use the effective stone to crack nuts. Moreover, when weight cannot be judged by visual attributes, capuchins act to gain information to guide their selection. Thus, planning actions and intentional selection of tools is within the ken of monkeys and similar to the tool activities of hominins and apes. (literal)
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