I agree. In our State, we have a Right to Farm bill, that's actually causing problems in our town because someone in the middle of town has like a hundred goats, and nobody can do anything about it. Our town is trying to find things they could do because they're on town water and such, and for...
Those are adorable! I'm so happy for you! Hopefully nothing bad will happen do to you having them. Even if you are allowed to keep them, I would never free-range them. Some Muscovies can be very aggressive, and if they go after a neighbor (or their pets), you could have bigger problems than you...
This is good advice on removing possible hiding spots and food sources. I do suggest a metal bin would be better than a plastic, because if rats can chew through 2x4s and even concrete, I think they can chew through plastic.
What I suggest, while the flock is away, get some one-bite rat poison...
I would start poisoning the rats right away. In my neighborhood, I have a neighbor who is getting similar complaints. Everyone, including myself, has seen rats in her woods and around her barn, and last year, our neighborhood got overtaken by rats. Our neighbors had a legit reason to complain...