Here at FTB , we talked about some of the reports this documentary cites as they came out. PBS Nature series has put together this remarkable film on crows. Check out their site PBS - A Murder of Crows for a preview. Click schedule to find out when it is on in your area.
I feed unsalted whole peanuts to crows and blue jays. The crows have figured out what time I usually get home from work and they wait for me in the apple tree. Sometimes I run out of peanuts or the weather is too windy to put out the peanuts and there is one crow who will follow me around the yard screaming at me until I put them out. If I am indoors he will just stare in the window while I am on the computer. kinda creepy at times.