Rats and mice will usually hang out and feed at night, and we can seldom see them until there are too many of them. They must be eliminated if you find preliminary traces of them before it’s too late.
Droppings (12 mm to 18 mm long)
Added debris such as snail shells or fruits with the sides eaten out
Bones left in the corners of sheds, under homes and other secluded spots
Greasy trails or rub marks along paths they travel, especially supports or beams
Burrow holes around buildings
Signs of gnawing damage
Pet dogs, cats and birds being more excitable than usual
Squeaking, gnawing or scratching noises in walls, cupboards, ceilings and under floors.