The nest will take on a musty or stale odour.
Signs of a critter in your attic.
You may hear scratching or thumping or scittering or nuts rolling around or even vocal noises.
You might hear squirrels rats and even mice walking around.
Signs animals are in your attic.
In addition piles of droppings on roofs indicate areas where pests enter or exit.
Noises are a strong sign of an animal in the attic.
You may also see smooth and oval shaped droppings.
Their droppings and urine will start to stink if not properly cleaned.
Signs raccoons are in your home.
However if the noise is especially loud it could be an indication that you have a larger animal like a raccoon in your attic.
If it is a squirrel you may see leaves or nuts around the attic.
If you open your attic door and are greeted with a foul unfamiliar odour that makes your eyes water you likely have animals living in your attic.
Animal droppings give off a powerful odour that depending on your ventilation system can spread throughout the house.
There are of course other animals that can make noise up in your attic too.
The most common time of year to hear raccoon noises in the attic is in the spring.
Here are eight signs you have squirrels in your house.
Droppings or urine nests made of paper leaves and twigs squirrels rodents birds disturbed insulation squirrels and raccoons.
Scratching chewing or rustling sounds from the attic or walls.
If a raccoon is living in your attic you may see latrines or areas where it urinates and defecates.
This can usually be heard in the morning or evening when squirrels are in the nest.
You may see an oily stain on the ceiling in the area below the attic.
Ducts ripped apart raccoons.
If pests have nested in or destroyed your insulation you may need to.
But you still don t know what type of animal or animals are up there.
The first indicator of an animal problem in the attic is the noise.
Heavy pounding noises in the attic or ceiling squealing typically a sign of baby raccoons.