I have a 28ft semi trailer for storage. I have a nice black snake living above the 5th wheel plate. Been there for 5 years now( or could be offsprings) Mouse problem is at a minimal level. He doesn't bother any plants, smell like ammonia, or otherwise interfere around my place. Better than any dang cat.
I have a good cat story, but to be effective I'd have to use a word or two not permitted here, so it will have to lay on the back burner
I gotta go agitate the techies!