Competent chimpanzee nutcrackers

Humans consider themselves as the tool user par excellence. Previous work comparing human tool use skills to that of other species tended to place the animals in artificial conditions far removed from their natural environments. Such comparisons disadvantage the animals and lead to underestimating the tool use demonstrated by wild populations. In a first comparison between individuals of two groups of humans and chimpanzees cracking nuts in their natural environment, researchers recently tested how quickly and how completely a technique was acquired by the offspring of the two species.

Competent chimpanzee nutcrackers

Humans consider themselves as the tool user par excellence. Previous work comparing human tool use skills to that of other species tended to place the animals in artificial conditions far removed ...

Thu 7 Feb 19 from Phys.org

Competent chimpanzee nutcrackers, Wed 6 Feb 19 from Eurekalert

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