Wildlife Commonly Found in Knoxville Attics

If you've been hearing strange noises from your attic, you're not alone. Knoxville homes are prone to unwanted visitors, especially during the fall and winter as animals seek warm nesting spaces. Here are the most common culprits and how to identify each one.

The Most Common Attic Invaders

Squirrels

These nimble climbers can chew through fascia boards and roof vents with ease. Squirrel activity is typically loudest in the early morning and late afternoon, and you'll often hear rapid scurrying sounds. They chew on wood, wiring, and insulation — creating fire hazards and structural damage. See our Squirrel Removal service for solutions.

Raccoons

Raccoons are the most destructive attic invaders — larger, stronger, and capable of tearing apart insulation and ductwork to build nests. They're most active at night and can be heard walking heavily across the attic floor. Female raccoons often choose attics as birthing sites in spring. Visit our Raccoon Removal page for more information.

Bats

Bats squeeze through openings as small as 3/8 of an inch and can establish colonies of dozens or hundreds in your attic. Signs include guano accumulation, oily stains near entry points, and high-pitched squeaking near dusk. Tennessee law protects bats, so professional exclusion is required. See our Bat Removal page for legal, effective solutions.

Signs of an Attic Infestation

• Scratching, scurrying, or thumping noises — especially at night or in the early morning.
• Droppings or strong odors originating from the upper floors or attic access.
• Chewed wires, torn insulation, or damaged vents discovered during inspections.
• Visible entry holes along the roofline, soffit, or ridge vent.

What to Do If You Suspect Wildlife in Your Attic

1. Inspect for Entry Points: Check for gaps, holes, or broken vents around your roofline and foundation before calling.
2. Call a Professional: DIY removal is dangerous — a licensed wildlife removal company can safely identify the animal and handle it legally.
3. Seal and Prevent: After removal, permanent sealing of all entry points is critical to keeping wildlife out for good. We use Ridge-Guard to secure ridge vents, one of the most common entry points.