High pitched noise isn't something that squirrels will find pleasant, and it is something they will not want to deal with if they are not mothers with small babies. If a squirrel is alone in your home, high-pitched noise and bright light will make her feel that it would be much better to move away to a safer (and calmer) location. When you play loud music or use ultrasound repellents, you can scare a single squirrel from your home. Additionally, installing strong lights in the attic can also have a negative effect on a single squirrel.
The idea of using loud noise to scare away squirrels isn’t new because people have been using this as a scare-away method for hundreds of years, with more or less success. Additionally, there are valid scientific studies that have proven the effectiveness of high pitched sounds on pests. This is a sound that is of such a high frequency that people can't hear it, so it doesn't have a negative effect on us, but animals can hear it and can experience different negative consequences due to it.
The first reaction among pests when they hear high pitched noise for the first time is to go away from the source of this sound. So some pests will instantly move away from your home to another location, where there is no such irritating sound.
However, even those pests that are at first sensitive to high-pitched noise will in time become resistant to it and will be able to withstand it in close proximity – so they will eventually come back close to the source of the high-pitched noise.
As it has been determined so far, squirrels are generally very resistant to high-pitched noises and similar repellants, as well as classic loud noise and light effects as a form of repelling. This is especially true if the squirrel in question is the mother of small babies.
This is the reason why you shouldn't rely on such repellants as an effective means to deal with squirrels. It is a much better choice to get a classic trap to eradicate the squirrel, especially if this is a one-way exclusion trap that will catch the squirrel and keep it from re-entering your home the same way. Also, make sure to close all possible entrances to your home. These are the some ways you can avoid squirrel entrances in your property. Keep in mind one thing, high pitched noise isn't something that squirrels will find enjoyable, and it is something they will not wish for dealing with if they are not mothers with small babies.
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