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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Bibliographic Details
Main Authors: Cornelia Schrauf, Josep Call, Koki Fuwa, Satoshi Hirata
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2012-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3399814?pdf=render