Roof rat


  • Droppings are scattered, dry and black, spindle-shaped or curved, approximately 10 mm long
  • Paw and tail tracks in dust
  • Hulled grains
  • Gnawing marks on wood and electric cables


  • Lives in dry places, high up
  • Makes nests in insulating material, walls, roof voids, trees...


  • Suspicious, neophobic


Unlike mice, rats eat large quantities in few locations
We recommend that the following doses should be placed up high, on cable ducts, beams and roof voids:

- Generation® and Maki® Blocks: 3 to 4 blocks, approximately every 5 to 15 m*
- AEGIS® Traps: 1 every 5 to 15m*

*depending on the level of infestation

Weight: 140 to 250 g.
Length of head + body (excluding tail): 14 to 23 cm.
Tail is longer than the head and body (unlike Norway rats).
Rounded ears, quite big.



Damage to
electric cables

3 to 5 litters per year,
6 to 10 young per litter.

(less litters and fewer youngs than Norway rats)
Likes dry places.

Feeding habits:  
omnivorous but prefers grains, fruits and vegetables.