How to Tell if You Have a Mouse in Your House
Here are some signals that may alert you to mice in your house:
Are your pets upset?
They can get stirred up when they hear and smell rodents in the house.
Can you see rodent droppings?
Rat droppings are shiny black, blunt at both ends, and ½ – ¾ of an inch long. Mice droppings are smooth, with pointed ends, usually about 1/8 – ¼ of an inch long. You may find them in a kitchen cabinet or drawer.
Do you see small tracks and tail trails in dusty areas?
Look for them in corners, along baseboards, and near sources of food. Sprinkle some flour along areas that you suspect may be a path for mice and check back for tracks.
Do you see areas where wood has been gnawed?
Tooth marks that are 1/8 of an inch long may indicate rats; small, scratchy ones may indicate mice.
Do you see smears along baseboards and other areas?
Those could be rub marks caused by grease and dirt on rat fur.
Is there a heavy musky odor in the house?
Rats and mice smell bad.
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