Chimps that mash potatoes challenge our understanding of tool use

Parandis Majlesi (Center for Ecological and Evolutionary Synthesis, University of Oslo, Norway)

By Michael Marshall

Chimps have spontaneously realized the instruct contrivance to exercise a persist with mash a potato. The finding would per chance well presumably advised a rethink of how tool exercise develops in primate societies.

Wild chimpanzees in Guinea climb palm trees to use the trees’ “hearts”, which leer treasure white asparagus. They exercise sticks to mash the hearts earlier than ingesting them, treasure cooks the exercise of pestles and mortars. Chimps in other locations don’t attain this, suggesting that the behaviour is cultural and that Guinea chimps take it up by copying one yet every other. …