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Chimpanzee and human skulls

Chimp voice

Chimpanzees use simple vocal calls to communicate - press the button above to hear a 'pant-hoot' call, made when members of a group are reunited.

Humans use language to communicate, mainly through speech and hearing. This probably depended on the evolution of a larger brain, and on changes in the shape and mobility of the tongue and the jaw.

University College London AHRC European Commission AHRC CECD