A TED talk about this project helped popularize this particular example of crow intelligence. http://www.ted.com/talks/joshua_klein_on_the_intelligence_of...

Darn it... I just watched that the other day and was truly amazed.

It was all lies, then? Or mostly lies?

I told myself a year or two ago that I was going to stop watching TED talks because of their misinformation problems, and this was the first one I had watched since. Fool me once...