Rats will also live in sewers and drain pipes. The Norway Rat is an excellent swimmer and have been known to swim through pipes to access a structure .Rats are omnivores and will consume many different types of foods. Unlike mice, rats need a daily water source. They can obtain water from toilets, sinks, puddles, or from condensation on utility pipes. Rats are suspicious of changes in their environment or new foods, for this reason it may take a couple of days for rats to frequent traps or rodent bait.
Rats are nocturnal, with their peak activity at dusk or before dawn.
You may see activity during the day when the populations are high. Control Control of rats starts with a thorough inspection of the exterior rodent entrance ways, harborages and the internal and external sources of food. It is important to eliminate the rodents quickly so the least amount of environmental contamination and structural damage will occur. Rats will also also live in sewers, crawl spaces, attics and wall voids. Rats can invade attics where they will feed on seeds and acorns found in the gutters of homes.