The Amazing Intelligence of Crows

"Hacker and writer Joshua Klein is fascinated by crows. (Notice the gleam of intelligence in their little black eyes?) After a long amateur study of corvid behavior, he's come up with an elegant machine that may form a new bond between animal and human. (Recorded March 2008 in Monterey, California. Duration: 10:16.)"

http://blog.ted.com/2008/05/joshua_klein.php