Mouse Versus Rat Infestation

How to Tell the Difference

Mouse Versus Rat Infestation

You see droppings or you hear little pitter-pattering inside the wall. You don’t know what has invaded your space, but you know something is there. Today, we’re taking a look at a mouse versus a rat infestation to help you figure out the rodent invading your space.

Mouse versus Rat Infestation


  • Appearance: Only a few inches long with light brown to black in color.
  • Nest: Found in warm areas like burrowed into wall insulation, often near a food source
  • Droppings: Small, about 1/4″, with pointed ends and left in huge numbers
  • Movements: Small and fast, and generally fearful of humans so you’re not likely to see them
  • Other signs: You might find small holes in your belongs, including human or pet food
  • Concerns: Mice are very dangerous pests to have invade your home. They are notorious for chewing through wires, putting your home at risk for a fire. They can also spread disease to you, your kids, and your pets.


  • Appearance: About one foot long with grey, brown, or black fur. They have long tails.
  • Nest: Commonly found in the lower parts of buildings, and they usually stay within about 100′ radius of their nest.
  • Droppings: Larger than those of a mouse, ½” to ¾” with blunted rather than pointed ends
  • Movements: Clever and brave because they’ll steer clear of traps and have no problem being seen by you.
  • Other signs: They’ll leave greasy trails where they walk and have remarkably unpleasant, musty odor when they travel in packs
  • Concerns: They are dirty, smelly pests. Plus, they can spread disease to your family.

Mouse or Rat Infestation? No Matter Your Rodent, ExtermPRO Can Help.

At ExtermPRO, we believe the best pest care is preventative. With our maintenance program, we’ll come to your home and check for rodents on a regular basis. If we find any signs of critters, we will take care of them immediately, starting with every non-chemical option. Call us today for rodent control at 571-620-1168 to protect your family and home from the potential dangers of a rodent infestation.

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