You can tell if you have a mouse problem at your house if you see: Droppings: Small, dark, rounded droppings that are about the size of a grain of rice. Gnaw marks: Mice have strong teeth and will gnaw on almost anything, including food packaging, wood, and electrical wiring. Scratching noises: You may hear mice scurrying, scratching or gnawing in walls, ceilings or … [Read more...] about Do you have a mouse problem? Here’s how you can tell and get rid of them for good!