Two Species, Two Entry Patterns
Norway Rat (Brown Rat)
- Ground-level burrowers
- Heavier, more powerful
- Enter at foundation level
- Prefer grain and meat
Roof Rat (Black Rat)
- Agile climbers
- Slimmer profile
- Enter from above
- Prefer fruits and nuts
Where Rats Get In
Foundation cracks (1/2 inch or larger)
Gaps around pipe penetrations
Crawl space vent screens
Garage door gaps and sweeps
Roof vents and eave gaps
Areas near active burrows