Here is that paper. It's amazing. https://www.aaas.org/membership/member-spotlight/scientist-john-marzluff-knows-fears-crow https://www.aaas.org/membership/mem

Here is that paper. It's amazing. https://www.aaas.org/membership/member-spotlight/scientist-john-marzluff-knows-fears-crow https://www.aaas.org/membership/member-spotlight/scientist-j...