Gorilla chest beating sounds different based on size

Gorilla chest beating sounds different based on size

Silverback mountain gorilla chest beating. Credit: Dian Fossey Gorilla Fund

The sight of a mountain gorilla rapidly beating its chest is a captivating feature of its communication repertoire, but its purpose hasn’t been entirely clear.

Scientists have now discovered that the drumming sounds change according to the gorillas’ body size – larger males emit lower audio frequencies than smaller males, which they say could be attributed to larger air sacs near the larynx.

READ MORE…

Published by Cosmos.

Show Buttons
Hide Buttons