This video is a startling verification.of the crows mental capabilities. “Causal understanding of water displacement by a crow” https://m.youtube.com/watch?v=

This video is a startling verification.of the crows mental capabilities. “Causal understanding of water displacement by a crow” https://m.youtube.com/watch?v=ZerUbHmuY04 https://m.youtube.com/watch?v=ZerUbHmuY04