Reminds me of the time I shot the sparrow off our brand new wedding present refrigerator (22 rifle) in our kitchen.
It had been my first wife's parent's wedding present a month earlier, and the wife yelling...
If you shoot my refrigerator, I am never going to forgive you. Just quiet down, you're spoiling my aim. The damn thing flew in an open door, and after two hours of trying to shoo it out all the open windows and doors in the house, I blew it's brains out..... and not the refrigerator's. Small hole in the wall was the only damage, and a little cleanup.

Don't shoot your mirror.

BTW, all bird poop is not equal, the ones around here that eat some toxic magenta berries in springtime will mess up your paint if you're not johnny-on-the-spot with it.