Mouse Wars: a new front

Yesterday, a mouse bit me.
I had already dispatched one large rodent (presumed mouse) from the dog food feed bin at dog feeding time. I captured that mouse and my youngest did the honours. As I let the dogs out for their night time ablutions, rustling resounded from the feed shed. Sure enough, another rodent (presumed mouse) was in the dog food bin -- looking for its mate or merely seeking to steal food? Who knows? Who cares? But I disliked the thought of my dogs eating mouse droppings.
I put ...