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.
Size: 3.8 x 2.2 x 3.2 inches. Ages 3 years+.