1. Mice travel the same runway time and time again, leaving a smudge mark - a
buildup of dirt and oil from their fur along walls, pipes and holes.
2. Footprints and tail drags can sometimes be seen is dusty locations.
Non-toxic tracking dust such as talc or flour has proven helpful in determining
the presence and location of mice.
3. Mice can chew through anything that is softer than their teeth, so gnaw marks
are a sure sign of mice. On wood, the darker the wood, the older the gnaw marks
4. If your dog or cat unexplainably gets excited, it is more than likely
that mice are moving about.
5. The sound of mice gnawing, squeaking, or running through the walls or
ceiling is occasionally the only sign of their presence.
6. Favorite nesting materials of shredded paper, insulation material and
string are often found in attics and garages.