I fought with the little pests all autumn long to keep them out of the chicken coop (rats were even worse). They'll chew through EVERYTHING to get to the food! Then two weeks ago I found droppings in our bathroom cabinets and drawers, they had eaten our toothpaste and chewed through boxes of band-aids and crapped everywhere. THEN!! Our car fan/heater stopped working in this siberian cold, it made a terrible racket and vibration so today DH brought the car to the dealership, it's under warranty EXCEPT for when there is a MOUSE NEST in the engine's fan!!