Norway Rat
- Size up to 3/4 lb; big, husky, long-tailed rodent.
- Omnivorous, dental formula 1-0-1-3/1-0-1-3.
- Diet seeds and nuts and anything humans eat; take advantage of bird feeders, compost piles, and garbage.
- Extremely successful, found almost everywhere in association with humans.
- Incisors used to gnaw entry holes into houses and other buildings where they can be rather destructive; once inside, they nest and store food in walls, crawl spaces, attic, kitchen cabinets and pantries and create a general mess.