Male Gorillas Beat Their Chests to Advertise Body Size, Study Shows | Sci.News
Brian Lilly on Twitter: "Western Lowland Gorilla 'Kiondo' chest beating with four carrots in his mouth @PaigntonZoo #gorilla https://t.co/6rrK759pm7" / Twitter
Why do Gorillas Beat Their Chest? 4 Reasons | Storyteller Travel
Silverback Gorilla Beating Chest Drawing 2D Animation by Retro Vectors Limited on Dribbble