How Intelligent Are Gorillas?, How smart is a mountain gorilla?

Gorillas are highly intelligent. They don’t use tools as much as chimpanzees do, but gorillas have been seen using sticks to gauge the depth of water, bamboo as ladders to help infants climb, and recently gorillas have been seen for the first time using sticks to eat ants without being stung.

Another sign of intelligence is the gorilla’s impressive communication abilities, and they’ve been recorded making some twenty five distinct vocalizations