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Early Warning: The Rodent Infestation Signs You Must Never Ignore

Stay Alert, Stay Protected: Enjoy Your Space, Not Pests

Rodents are not just a nuisance; they pose serious risks to health, hygiene and property safety. The major challenge with rats and mice is that they often go unnoticed until the problem becomes severe. By the time one is seen, there may already be many more hiding in shrubs, ceilings, storerooms or kitchens.

To help homeowners and businesses stay ahead of an infestation, here are the critical early warning signs of rodent activity you should watch for.

A dimly lit attic with disturbed insulation on the floor, suggesting possible rodent activity in a hidden space.
1. Scratching or Scurrying Sounds in Walls & Ceilings

If you hear faint scratching, scampering, or gnawing noises, especially at night, this is a classic sign of rodents moving through ceilings, wall cavities, or roof spaces.

Why it Matters: Rodents are nocturnal and become active when the environment is quiet. These sounds often indicate a travel path or nesting site, confirming they have successfully entered the building structure.

Rodent droppings scattered on a kitchen shelf near food containers, indicating early signs of a rodent infestation.

2. Droppings in Kitchens, Cupboards & Storerooms

Rodent droppings are small, dark pellets…often found near food storage areas, under sinks, behind appliances, or in quiet storerooms.

How to Identify: Fresh droppings are moist and shiny, while older ones appear dry and greyish.

Why it Matters: Rodent urine and faeces can contaminate food and surfaces, spread harmful bacteria, and trigger allergies, especially in children or sensitive individuals. This is a major health hazard.

Close-up of a damaged electrical wire with exposed copper strands caused by rodent gnawing.
3. Gnaw Marks on Wires, Packaging, or Cables

Rodents must constantly gnaw to control the growth of their teeth. This behavior leads them to chew through:

  • Electrical wires and cables

  • Plastic containers and food packaging

  • Wood, cardboard, insulation, and even soft metal (like lead pipes)

Why it Matters: Damaged cables can cause electrical faults, short circuits, or even fires. This makes early detection not only a hygiene issue but a critical safety priority.

Rodent nest made of shredded leaves and fabric hidden in a dark storage corner.
4. Nests Made of Fabric, Paper, or Dry Leaves

Rodents build nests using soft, shredded materials that are easy to chew, carry, and assemble into compact, warm structures.

Common Materials: Paper, cloth, cardboard, insulation, and especially dry leaves.

Hiding Places:

  • Behind cupboards or inside storage boxes

  • Under fridges or ovens

  • Inside ceiling voids, roof spaces, or attics

  • Behind stacked items in storerooms

Why it Matters: A nest is a strong signal that rodents are no longer just visiting your property—they are settling in and may already be breeding. An active nest means the infestation can grow exponentially if not treated immediately.

If you spot any of the above warning signs, immediate action is crucial:

  • Do not ignore it: Infestations grow rapidly and become more difficult and costly to remove over time.

  • Seal food: Secure all food items in sealed, hard-plastic, or glass containers, and diligently clean up crumbs or spills.

  • Inspect entry points: Look for and seal gaps under doors, broken vents, pipe openings, and holes in the foundation.

  • Use Caution: Avoid handling droppings or nests without gloves and proper disinfection methods.

  • Contact a Professional: For comprehensive and safe removal, contact a professional pest control team for inspection and treatment.

Protect Your Home & Business

Rodents don’t take holidays. Whether it’s a home, restaurant, warehouse, hotel or any type of business, a small sign today can become a serious problem tomorrow.

Let Alpha Pest help you keep your spaces clean, safe and rodent-free.
📞 +230 212 4020 | ✉ [email protected]

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