Scientists believe gorillas use these chest beats as a nonvocal communication to both attract females and intimidate potential rivals. With both acoustic and visual elements, this long-distance signal is most commonly performed by adult males (silverbacks) and can be heard more than 0.62 miles (1 kilometer) away.

What does gorilla beating chest mean?

Mountain gorillas often pound their chests whenever they perceive a threat/ danger or when they are communicating. When the beating occurs, it may indicate that the gorilla is charging at a human or any rival. ... Gorillas also beat their chest as a sign of victory or because they have won a fight.

What does it mean when a silverback beat their chest?

When the chest beatings occur, it indicates that the Gorilla is charging at a human or any rival. This is one of the warning signs that a Gorilla is definitely going to attack if you don't stay away from its territory. Mountain Gorillas also beat their chests as a sign of victory.