It is not easy work and there are many important variables removal of critters in the attic requires very specific special knowledge.
Animal in attic.
Check on almost any surface not covered by insulation and there should be a layer of dust with animal tracks.
There are two main species of rats in the us the roof rat and the norway rat.
Look at photos of raccoon feces or squirrel feces or rat feces or mouse feces or bat feces.
Raccoons are capable of ripping shingles off and chewing holes in buildings.
Rats and mice in the attic.
For example we must consider these factors.
Raccoons can enter your attic through loose shingles and or openings the roof and eaves.
These small rodents can fit through tiny entry holes and infest an attic in large numbers.
The methods vary considerably depending on the type of animal in the attic.
Or you can check for muddy footprints.
The most common critter to enter attics in many areas including where i work in florida is the rat.
The roof rat is more common in warm areas and more likely to enter the attic.
Rats and mice are very common animals in attics throughout much of the country.
Animals in attic common wild animals in attic include squirrels mice rats raccoons and bats.
Occasionally we find chipmunks opossums birds and snakes.
If you have rats the entire building must be sealed first and then all the rats trapped and removed.
Animals inside the attic this is our area of top specialty.
Mice are common in many areas as well.