The hitting sounds of the gorillas were recorded and their body sizes were analyzed. As a result of the studies carried out, it was discovered that the bigger the animal, the lower the frequency of the sound produced.
Although the habit of bust tattooing in gorillas is common for male gorillas, the root cause of this behavior is not fully understood. Now, scientists have looked closely at the drives that underlie this behavior of gorillas.
In the study conducted by German and American researchers, 25 male gorillas were closely examined and the mentioned gorillas were followed between 2014 and 2016.
Scientists both recorded the sounds of gorillas hitting them, and the body sizes of the animals in question were analyzed using a method called photogrammetry. As a result of the studies carried out, it was discovered that the bigger the animal, the lower the frequency of the sound produced.
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Scientists think that this situation is a kind of intimidation among gorillas, and that this way they can decide whether to compete with the other partner.
Finally, let’s add that the number of strokes in the chest-tapping periods and the duration of the periods also differ greatly between gorillas. These periods can be the signature of gorillas and help gorillas get to know each other from a distance.