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Chimpanzees seeing clasping and shaking each other's hands during grooming

⏱ 0:53 🌐 dailymail.com

Chimpanzees seeing clasping and shaking each other's hands during grooming that suggests they may have 'unique' greetings.

↗https://www.dailymail.com/video/sciencetech/video-2427093/Video-Chimpanzees-seeing-clasping-shaking-hands.html
Chimpanzees University of Antwerp Handshakes Grooming.
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