Hair-pulling, poking... and laughter: apes like to playfully tease each other : vimarsana.com

Researchers said this study is the first to systematically document and analyse playful teasing in primates

Related Keywords

, Teasing , Apes , Primates , Person Dr Isabelle Laumer , Person Dr Jane Goodall , Person Professor Erica Cartmill , Organisation Max Planck Institute Of Animal Behavior ,