Size : The average adult rat weighs about 226-340gms and measures about 16 inches in total length from nose to the tip of the tail. This is about the same total length of Norway rat. However the roof rat’s tail is longer than the body and is one of the key identification characteristics.
Color : Can vary from gray to black.
Behavior : Few people really like rats or mice, and no one wants them in their house. Rodents live everywhere outside and could enter at any time. Rats are excellent climbers and are capable of gaining entry through holes around soffit vents, around cables entering the building, through holes in gable vent screens and through turbine and box vents on roofs. They are omnivorous in diet but tend to vegetarian preferences typical food is fresh fruits, plant material, nuts, seeds and even tree bark.