Do chimpanzees use weight to select hammer tools?

The extent to which tool-using animals take into account relevant task parameters is poorly understood. Nut cracking is one of the most complex forms of tool use, the choice of an adequate hammer being a critical aspect in success. Several properties make a hammer suitable for nut cracking, with wei...

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Veröffentlicht in:	PloS one 2012-07, Vol.7 (7), p.e41044
Hauptverfasser:	Schrauf, Cornelia, Call, Josep, Fuwa, Koki, Hirata, Satoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal behavior Animal cognition Animals Biology Cebinae Cebus Cebus apella Chi-square test Chimpanzees Choice Behavior Equipment Design Female Hammers Laboratories Learning Male Monkeys & apes Nuts Pan troglodytes - physiology Problem Solving Social and Behavioral Sciences Time Factors Tool use Tool Use Behavior Veterinary Science
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