Despite their small size, rats can make a lot of noise when they want to. If you have rats loose in your attic, there will usually be several indications; the noises they make are one of the most obvious. If you can hear scratching coming from your attic, or you can hear something moving around up there, it could indicate a rodent infestation. Rats are bigger than mice and tend to make more noise, but your home’s walls will naturally amplify the noises made by either animal. This effect can make it sound like whatever is in your attic is much bigger than it really is.
Rats and mice aren’t the only culprits when you hear strange noises coming from your attic. Squirrels also occasionally find their way in and cause problems for homeowners. You will usually only hear squirrels in the early morning and late evening, Rats, on the other hand, will be scurrying around and making noise throughout the day. Rats are even more prone to gnawing on things than mice. In fact, rats have to continually find something to gnaw on because their teeth never stop growing; gnawing keeps them at a manageable length. If you can hear gnawing sounds, you know you have mice or rats in your attic. The volume and frequency of the gnawing sounds can help you differentiate between the two.
Like mice, rats can find their way into most spaces in your home. Wall cavities and loft insulation provide additional warmth and comfort for them. If you think you can hear rats or mice on the other side of your walls or ceiling, tapping them with your finger will usually cause the rodents to silence themselves and move to another area.