Question: how can you tell if you have rats in your attic?
Answer: Gnawing or scratching noises in the attic or walls.
Gnaw marks around the home's roof or eaves.
Spotting them running on tree limbs, power lines, roofs, patios and in fruit trees.
Hollowed-out fruit if you have fruit trees.
Gnawing damage to electrical wires in the home.