Rodents can carry serious diseases and they are instinctively wary of traps and bait. The most common include: House Mice, Norway Rats and Roof Rats.
Roof Rat: Rattus Rattus
Appearance: Black or brown, seven to 10 inches long, with a long tail and large ears and eyes, with a pointed nose; body is smaller and sleeker than Norway rat; fur is smooth.
Habits: Nests inside and under buildings, or in piles of rubbish or wood; excellent climber; can often be found in the upper parts of structures.
Diet: Omnivorous, but show a preference for grains, fruits, nuts and vegetables.
Reproduction: Becomes sexually mature at four months; four to six litters per year; four to eight young per litter; live up to one year.
Other Information: Very agile; can squeeze through openings only 1/2 inch wide; carry many serious diseases.