Gorillas do not bluff when they beat their chests: Honest signaling indicates body size

PHYSorg
Apr 8, 2021, 11:00 am402 pts
The gorilla chest beat is one of the most emblematic sounds in the animal kingdom. However, until recently, it was unclear what information gorillas were conveying when they gave these impressive displays. A team of international researchers show that chest beats reliably indicate the body size of the chest…

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