Norway Rat Identification
Rattus norvegicus
The Norway Rat is a large rodent often found in urban and industrial environments.
Quick Identification
- 8–10 inch body
- Heavy build
- Shorter tail relative to body
Where We See It
- Exterior burrows
- Basements
- Utility corridors
Life Cycle
- 8–12 young per litter
- 5–8 litters per year
Why It Matters
- Severe contamination risk
- Structural damage
- High regulatory concern
Monitoring & Control
Perimeter exclusion and baiting programs are essential.
Need Help Identifying This Pest?
FSS stored product entomologists can confirm identification through photo review or laboratory analysis, then recommend a facility-specific plan.