Roof rats aka black rats often build nests in attics.
Animal attic remove.
Because they need water daily they tend to nest.
Locate the entry points.
To get rid of animals in your attic or walls i look for a live catch cage trap with thick wire gauge a heavy duty door and a small amount of moving parts.
It is not easy work and there are many important variables removal of critters in the attic requires very specific special knowledge.
For more advanced info read snakes in the attic guide.
Every animal does it of course and many of them will turn your attic into a regular sewer.
Tips for removing animals commonly found in your attic rats and mice.
If you have rats the entire building must be sealed first and then all the rats trapped and removed.
One of the largest problems with having animals live in your attic is that they poop and pee in your attic.
Animals inside the attic this is our area of top specialty.
Snake traps also work well inside attics.
For example we must consider these factors.
Some trapping jobs are simple but removal of wildlife from attics is usually an involved process that requires important steps like identification removal of baby animals proper trap or exclusion device setup in conjunction with the sealing of secondary access holes sealing of every last potential hole on the house after the animals are out and biohazard cleanup.
The methods vary considerably depending on the type of animal in the attic.