Rat: Rats are arguably one of the worst rodents that can make a home in your attic. Rats have a gestation period which only lasts 19-22 days, Each female rat can have about 15 a years with 8-12 babies in each litter, so on average a pair of rats can have about 2000 babies if left unchecked in their life span. Females of breeding age come into heat all year round. A rat matures sexually at the age of three to four months. Rats front teeth grow 4½ to 5½ inches each year. Rats wear them down by continuously gnawing on everything around them, including cement, brick, wood, lead pipes, and other small animals. Rat urine is responsible for the spread of leptospirosis, which can result in liver and kidney damage. It can also be contracted through handling or inhalation of scat. Hemorrhagic Fever can be spread by breathing in dust that is contaminated with rodent urine and droppings.
Squirrels: Squirrels can cause large amounts of damage in your attic chewing on electrical wiring and wood siding on houses. They also pose a health risk similar to rats. A female will make her nest in your attic because it is a dry , warm and great for storing food and raising her babies. In the cool months of winter and fall will cause them to seek shelter in your attic for warmth.