I wounder if this would work for other corvids as well, like say, ravens or magpies. As I understand, magpies are also rather intelligent. I can imagine crows a

I wounder if this would work for other corvids as well, like say, ravens or magpies. As I understand, magpies are also rather intelligent. I can imagine crows and magpies getting into fights over who gets to take the cigarette butt to the food dispensing machine.