The video begins with the gorilla, probably the dominant male in his group, posing in front of the mirror. This is likely to establish his dominance. What he doesn’t know is that the rival that he sees is actually his own reflection. The gorilla stands on his hind legs, a common behavior that gorillas do to show their size to other gorillas. He throws his body forward and pounds on the ground before running off. The silverback tries to intimidate his own reflection in the mirror! The video cuts to a different angle that shows similar behavior from the gorilla. Pounding the ground, rising up to the back legs, and making a show of their power and strength are all ways that gorillas maintain their dominance. Silverback gorillas in particular do this often. These gorillas are the males in the troop. Some troops are made of bachelor gorillas while others include females and babies. The gorilla continues to pound on the ground, although he doesn’t actually try to attack what he believes is his rival. He doesn’t go very far, however, and is clearly not going to back down. Dust and leaves fly each time he makes this show. Eventually, the gorilla does bump into the mirror. He seems more confused than intimidated and quickly goes back to his show of force. Most of the time, the gorilla slows down as soon as he aggressively passes the mirror. While we may not know exactly what he is thinking, it is possible that the Silverback believes that he has frightened his rival away.

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