Rats and mice are the most likely culprits for noises in your walls at night.
I hear something in my attic at night.
Noises at sunset will typically indicate bats.
You ll hear these pests more at night as they re looking for food although colder temperatures also increases activity.
If you hear thumping in your attic at night it s most likely a larger animal such as a raccoon or opossum engaged in jumping from one area of the attic to another actively shoving or destroying something or dragging something heavy.
But attics are the favorite spot for wild animals.
Critters just love to live in the attics of homes and the walls ceiling gaps crawl spaces etc.
If you hear sounds during the day it is most likely a squirrel or snake although it can also be a raccoon.
Knocking in my attic if you hear knocking noises in the attic it could be several different species.
If you hear it at night primarily it is either mice raccoons bats or in some cases a flying squirrel.
Squirrels will often be heard rolling nuts or other debris around in the attic during the day.
If during the day do you hear running around and rolling sounds.
The attic isn t the only place rodents and other creatures seek shelter.
If the noises are at night it is probably a raccoon rodent opossum or snake.
Both mice and rats make scratching sounds in an attic.
Sounds coming from your attic could be from a number of causes pipes settling wind but the most common cause is the presence of an animal or animals in the attic.