I used to know a good one about Nantucket but even if I could remember all of it, I don’t think it would be proper for me to post it here.
As far as the rats are concerned, Nantucket just needs more Jack Russel Terriers! My youngest JRT just over a year old and weighing about 12 pounds caught a rat in our back yard 2 days ago that was almost as big as he was (well not quite) but this rat was about 13” from nose to tail. Hoot got a gold star on his chart for that one!
I know the limerick you’re referring to ... and no ... it’ll get us into trouble...
That occurred to me too, there are several rat terriers that could do a great job, but if it was my pet, I’d be afraid of it catching some dreadful disease or even bringing it into the house.