Roof rats reach maturity at four months and can produce 4-6 litters of offspring each year. The average lifespan of a roof rat is 12 months.

Roof rats are also characterized by their social hierarchy, where dominant males breed more frequently, and subordinates are relegated to scavenging for food.

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As their name suggests, roof rats tend to nest above ground. Outside, that means trees and in thick vegetation that grows over fences and power lines. Indoors, they typically nest in upper parts of structures including attics and rafters.

It should be noted that although they prefer higher nesting sites, it’s entirely possible roof rats will nest in woodpiles, heavy shrubbery, and even inside storage boxes among other low-lying areas.

In keeping with the food preferences of mice and Norway rats, roof rats are also omnivorous and are willing to consume just about anything they can find, including seeds and nuts. When in season, roof rats prefer to eat fruits and berries.

Like other rodents, roof rats are disease-carrying pests, and as such should be considered a threat to health.

They also contaminate or destroy attic insulation, gnaw on building materials including electrical wires and PVC pipes, and are considered a highly destructive pest.

If you’re dealing with roof rats, it’s likely that there are openings on the exterior of your home or structure. Roof rats are stellar climbers, so it’s entirely possible they found a way in through a hole in the roof or through a gap in the exterior where a utility line enters.

If roof rats can find a way inside, and find suitable shelter with food available, these rodents will likely stick around.

To get rid of roof rats or other rodents that have infested your home or business, professional treatment is the best way. Here at Miller Pest & Termite, we’ve been providing expert rodent control services in the Midwest since 2001, and have the tools, knowledge, and experience to take care of rodent problems, no matter how tough.