I'm afraid that you have to eliminate the wallaby. I read about the small colonies of wallabies in the English countryside a few years ago (descendants of escaped zoo animals). I was curious whether there were kangaroos in the wild anywhere besides Australia (apparently not).

But a few wallabies, however, have found a home in Britain. They are elusive, and there are maybe only a few hundred, but they are there. theconversation.com/wallabie…