Oh, Maggies.
I love them, always have.
I know that if they move in all the other birds tend to move out but I can't help it, I love Magpies anyway.
When I was a kid we had them move in to the backyard. The neighborhood of the yard went to heck as far as the other birds were concerned, and they all left. We didn't care, Maggies are interesting and we weren't going to chase them off.
One day we found a baby on the ground. Couldn't get it all the way back up there into the nest so we dug out the old bird cage and started feeding the baby. Put the cage in the window so the mother magpie could see it. Pretty soon we found another one, brought that in too. And the mother kept flying by the window, looking in. I guess she decided we were taking fine care of them and would relieve her of the burden of motherhood because next thing, we found she'd pushed all the rest of them out of the nest and we ended up raising the whole litter of them for her! Gad, what a racket those baby birds made. They all thrived and we turned them all loose when they could fly. No good deed goes unpunished, as they say.