What Are Signs of a Rodent Infestation?

Rats and mice cause millions of rands of property damage each year, as well as pose health risks to your customers and employees. Here’s how you can determine if you have an infestation.

Chew Marks

It is not unusual to find chew marks on cardboard, wood, and other materials. Rodents of all sizes gnaw on a wide variety of materials, including wires, baseboards, and even walls.

Musky Smell

Usually, rodent infestations are associated with a musky odour. The odour tends to increase in intensity as the infestation worsens.


The most common and easily seen signs of rodent infestations are rodent droppings. Mice droppings are usually small, dark brown, and pointed in shape. Depending on the type of rat, rodent droppings can vary in shape and length. When cleaning up rodent droppings, please wear gloves and a mask.


Rodent footprints are another obvious sign of an infestation. These can be easily spotted in high places where dust collects easily and potential tracks are visible.


The fur and droppings of rodents can trigger allergic reactions in some people. Nearly 100% of allergists believe that keeping your home pest free will help to prevent allergy symptoms.

Grease Marks

As rodents run across surfaces, their oils can leave grease marks, or streaks, on surfaces. Look for unexplained marks like these when inspecting your home.


The presence of scampering, gnawing, scratching, and other noises may indicate the presence of a rodent (or rodents). You may hear these noises in your attic, ceiling, and inside walls.

If your home is infested with rats, or you suspect it might be, don’t hesitate to contact Pest Control Pros. We offer free inspections to help identify and offer the right solution for you. Get in touch with us today!

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