TIL crows recognize individual human faces and hold grudges.

http://www.livescience.com/23090-crows-grudges-brains.html



Submitted April 12, 2015 at 02:55AM by Porch_Dick http://www.reddit.com/r/todayilearned/comments/329pj6/til_crows_recognize_individual_human_faces_and/