Chimpanzees found to combine calls to form numerous vocal sequences
Humans are the only species on earth known to use language. We do this by combining sounds to form words and words to form hierarchically-structured sentences. The question of where this extraordinary capacity originates from remains to be answered. In order to retrace the evolutionary origins of human language, researchers often use a comparative approach—they compare the vocal production of other animals, in particular of primates, to those of humans. In contrast to humans, non-human primates often... Читать дальше...