There already exists an automated exploit for this behavior:
Joshua Klein's Crow Machine: https://www.josh.is/crow-machine/
Joshua Klein's Crow Machine: https://www.josh.is/crow-machine/
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...
Your article is on skinnerian conditioning to train crows to pay for peanuts.
In this article the crows got peanuts whether they gave gifts or not. They just decided to give gifts. No training occured.