It's been going on for two weeks now actually, but it was never this noisy. I called my super and they sent someone out Friday to lay traps in my attic. I guess they are finally getting caught.
They said it's raccoons but I'm pretty sure it's an opossum. Imagine waking up at 3am to this sound:
http://www.youtube.com/watch?v=GkncjNn-ygE
....yeah ... not sleeping.
They know you have the Ring. You must leave the Shire.