@edgarblythe,
edgarblythe wrote:
They are steadily commercializing and suburbanizing everything. I can't go driving off looking, since I don't know what they are going to bulldoze next.
Yes, that seems to be a problem everywhere, doesn't it?
Still there must be some conservation area or public forest you can find. Even if they're in the process of developing it, there is no one living there yet so let the rats have a chance at life there.
Probably they will just get eaten by a predator wherever you put them, but at least you don't have to wake up from nightmares where they come back to haunt you in your dreams like zombies or whatever.