Chest beating conveys important details about mountain gorillas

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Chest beating conveys important details about mountain gorillas

Experts at the Max Planck Institute for Evolutionary Anthropology have determined that chest beating conveys information about the identity and body size of mountain gorillas.Chest beating is unique because it is not a vocalization, but a gesture that can be both seen and heard. According to the researchers, the beating sounds can be heard over one kilometer away.The findings demonstrate how non-verbal behaviors may contribute to communication a…