Not only rats but mice too!
I have had a really bad rat and mouse problem all this year. Started in the late spring. Rats and mice all summer and really bad come fall. Even so far thru the winter. Mostly I see them in my detached garage, once they got into my basement. And last fall I would be sitting out on my back patio and along would run mice from the garden at the side of the patio to the one nearer the house.
This is not what I had in mind when I planted my garden to attract wildlife.
So I kept putting out the bait. I would often find dead rats and mice both in my garage, I even saw live rats in there. And once I found a dead rat in my basement because I had put the bait there after I realised something had gotten into my basement. I could hear it at night.
Well at last the bait I put out early last week is untouched. Maybe I have finially gotten rid of them.