Chances are one of the following animals is inhabiting your house.
Nocturnal animals on roof.
Thus most of the noise you ll hear will be at night often soon after sunset and soon before sunrise as the animal exits and then re enters the attic in its nightly foraging for food.
Helping an animal that is stuck on the roof.
Anyway when it comes to sounds in the attic from animals you re in luck at least in terms of identifying the animal if you hear the noises during daylight hours because that almost surely.
Out of all the creatures that can fly the most haunting is the bat.
Some of the time these are animals that have incorporate a roof into their normal nighttime routine rout but most of the time the critter is on the roof because it is in fact nesting there or going into the attic.
If you re hearing thumps or knocks that seem to be coming from within your walls or above your ceiling you first must try to identify what kind of animal it is.
A nocturnal creature the bat will often make squeaking noises in the various darkened corridors that it frequents such as caves and attics.
Squirrels are the most common critters to invade attics.
Raccoons are active at nighttime nocturnal.
Here are the most common animals that could be living in your ceiling and how to identify them.
In some cases animals such as raccoons and squirrels can use their dextrous paws to cause damage that will allow them to get into the roof space so if you do see an animal on the roof it is important to try and get it quite quickly.