Gorilla chest beating sounds different based on size
![](https://natalieparletta.com.au/wp-content/uploads/2021/04/1200-Gorilla-chest-thumps_Sci-Reports_image-21-1024x576.jpg)
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.
Published by Cosmos.