Roof Rat
Rattus rattus
An agile climbing rat found throughout Singapore, nesting in elevated locations such as roof spaces, ceiling voids, and trees. Smaller and sleeker than the Norway rat, Roof rats are common in both residential and commercial buildings.
Risk Level
Critical
Active Period
Primarily nocturnal, very cautious and agile
Common Locations
Roof spaces, Ceilings
Size
Up to 35cm including tail, body weight 150–250g
How to Identify Roof Rat
Physical Appearance
Sleek, slender body with smooth dark brown to black fur. Pointed snout, large prominent ears, and a long thin tail that is longer than the head-and-body length combined. Large dark eyes.
Size
Up to 35cm including tail, body weight 150–250g
Common Locations
Roof spaces, Ceilings, Upper floors, Trees near buildings
Habitat & Behaviour
Activity & Breeding
Excellent climber that nests in elevated locations. Travels along overhead wires, branches, and roof structures. Less neophobic than Norway rats. Prefers fruits, seeds, and vegetable matter. Can jump up to 1.2 metres vertically.
Active Period
Primarily nocturnal, very cautious and agile
Signs of Roof Rat Infestation
Health & Property Risks
Prevention Tips
Frequently Asked Questions
Other Rodent Species
Need Help With Roof Rat?
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