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

    13 days ago - By Phys.org

    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 beater. Body size indicates competitive ability in gorillas. Therefore, this information is likely to be crucial for rival males as well as females in influencing mate choice.
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