Squealing typically a sign of baby raccoons.
Attic critter scratching miday.
These noises are a lot slower and heavier than squirrel and rodent noises.
Signs of raccoons on your property include.
Heavy pounding noises in the attic or ceiling.
Chirping sounds within your home.
One of the most obvious and distinct noises in the attic or within the home is chirping.
Raccoons can carry rabies as well as cause a lot of damage to your attic insulation and wiring.
Damage to electrical wiring.
Raccoons make very loud noises too.
Both mice and rats make scratching sounds in an attic.
Raccoons are notorious for making themselves comfy in your attic insulation.
Raccoons are physically the largest attic intruder so they tend to make louder scratching dragging and thumping noises.
They are also nocturnal animals and it is common to hear them running back and forth in the attic at night and scratching the ceiling boards.
There are a number of wild critters that could be causing the noises but among the most common are things like squirrels bats rats mice raccoons skunks opossums and birds.