Silverback Gorilla Beating Chest Drawing 2D Animation by Retro Vectors Limited on Dribbble
Gorillas Beat Their Chests to Communicate With Each Other | Smart News| Smithsonian Magazine
Brian Lilly on Twitter: "Western Lowland Gorilla 'Kiondo' chest beating with four carrots in his mouth @PaigntonZoo #gorilla https://t.co/6rrK759pm7" / Twitter
The shocking, real reason why gorillas pound their chests