Call (613) 743-8074 Compare the two commensal rat species while keeping local likelihood in perspective for Eastern Ontario.
Norway rats are the rat most commonly associated with Ontario buildings, burrows and ground-level infrastructure. Roof rats are climbers but are uncommon in Eastern Ontario; a local sighting should be professionally confirmed.
Each card uses an actual reference photograph of the pest or life stage named.
The common structural rat in Ontario. It usually travels near ground level and may excavate burrows beside foundations.
An agile climbing rat that is much less common in Eastern Ontario than the Norway rat.
Uncommon locally—professional confirmation is recommended.
| Type | Size | Appearance | Typical location | Activity |
|---|---|---|---|---|
| Norway Rat | Body about 20–27 cm | Heavy body, blunt muzzle, small ears and shorter tail | Burrows, foundations, sewers, lower levels and waste areas | Year-round |
| Roof Rat | Body about 16–20 cm | Slender body, pointed muzzle, large ears and long tail | Elevated harbourage, attics and dense vegetation | Year-round where established |
Dropping size, burrow location, tail proportions and travel height can help, but a photo or specimen provides stronger identification.
Identify a Pest From a PhotoSend Emerald Pest Control a clear photo and property details for professional confirmation and appropriate next steps.