Yes, magpies are very intelligent birds. Also very annoying! I don't like hearing their "cackling", especially if you're in bed trying to sleep. Magpies at mine also figured out how to feed from the wire-cylinder hanging feeder, meant for small birds. They flap their wings like crazy to hover for a few moments at the feeder and knock out the food or get to it. Clever birds. The pigeons just stand around below and scavenge ...