How Smart Is a Crow?
I knew members of the Crow or Corvidae family were smart, but this video blew me away! He tries it, thinks about it, then fixes the problem. Too spooky! [vodpod id=Groupvideo.2562308&w=425&h=350&fv=%26rel%3D0%26border%3D0%26] more about “How Smart Is a Crow?“, posted with vodpod