Like all corvids, these guys are avian geniuses, making and using tools and such, so you have got to remember to be careful of what you say out loud in their presence. They might be writing it down and informing the little people.
On an unrelated note, I have been singing, humming, and whistling Christmas in Killarney non-stop since we arrived, much to my sister's mighty chagrin. I know. I'm sorry. I just can't help it. The door is always open. That is one catchy jig.