How To Tell If An Animal Is In Your Wall. Hearing something unusual in your wall? You can also look at the animal tracks left in the dust in the attic.
It is possible you will be able to identify this by peering down into the wall where it meets the attic. The inside of your walls may be too smooth to provide traction, especially for baby animals. The most noticeable indication that you may have a dead animal inside the wall is that the smell is often very strong or overpowering, and this can also affect the activity of any domestic pets within the home.
The type of noise made by the animal.
Humidity increases the foul smell from a carcass. Bats in the attic during winter months. Once your rat has been located and removed, the area should be thoroughly cleaned with an enzymatic cleanser. Flies often converge on dead, decomposing animals.