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rspb20181715_si_007.avi (2.9 MB)
A video record of an experimental trial from Wild chimpanzees select tool material based on efficiency and knowledge
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posted on 2018-09-26, 10:05 authored by Noemie Lamon, Christof Neumann, Jennifer Gier, Klaus Zuberbühler, Thibaud GruberManufacture of a moss-sponge and of a mixed leaf-moss sponge by two individuals during the experiment