Gorillas beat their chests to size each other up, researchers say | Animal behaviour | The Guardian
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Brian Lilly on Twitter: "Western Lowland Gorilla 'Kiondo' chest beating with four carrots in his mouth @PaigntonZoo #gorilla https://t.co/6rrK759pm7" / Twitter
Gorillas beat their chest to prove who is the bigger foe - BBC Science Focus Magazine
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Gorillas beat their chests to size each other up, researchers say | Animal behaviour | The Guardian
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Why do male gorillas beat their chests? New study offers intriguing evidence | National Geographic
That Famous Gorilla Chest Thump: What They're Trying To Say
Male Gorillas Beat Their Chests to Advertise Body Size, Study Shows | Sci-News.com
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Big beats: Gorilla chest thumps 'signal' body size | CTV News
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Why do Gorillas Beat Their Chest? 4 Reasons • Storyteller Travel
This Is Why You Don't Beat Your Chest in Front of Gorillas
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Gorillas beat their chest to prove who is the bigger foe - BBC Science Focus Magazine
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