Schleich Gorilla male 14770

Male gorillas often beat their fists on their chests.

Male gorillas often beat their fists on their chests. They do so to show who is the strongest in the group. However, it can also be a kind of greeting. Gorillas don’t just walk on the palms of their hands, but also on their knuckles. For this reason, they’re also known as knuckle-walkers.