You hear scratching in the attic. Something has chewed through insulation. There are droppings in the garage.

Your first thought might be, "I have rodents."

But not every animal invading your home is a rodent.

In Upstate New York, homeowners commonly deal with both rodents and wildlife, and while the signs can seem similar at first, identifying the culprit is the first step toward choosing the right solution.

Understanding the difference can save you time, prevent additional damage, and help protect your home year-round.

What's the Difference Between Rodents and Wildlife?

While rodents are technically a type of wildlife, in the pest control industry we typically separate rodents (like mice and rats) from larger nuisance wildlife (like squirrels, raccoons, bats, skunks, and opossums).

The distinction matters because:

• They enter homes differently.
• They leave different types of damage.
• They require different removal methods.
• They create different health and safety risks.

Common Rodents Found in Upstate New York

Rodents are small mammals with continuously growing front teeth that require constant chewing.

The most common rodent pests include:

• House mice
• Deer mice
• Norway rats

Because they reproduce quickly, even a small rodent problem can become a large infestation if left untreated.

Typical Signs of Rodents

• Small droppings (about the size of a grain of rice)
• Gnaw marks on wood, wiring, or food packaging
• Scratching inside walls
• Greasy rub marks along baseboards
• Shredded paper or insulation used for nesting
• Activity primarily after dark

Rodents often enter through surprisingly small openings.

A mouse can squeeze through an opening about the size of a dime.

Common Wildlife Invaders

Wildlife pests are generally much larger and often enter homes while searching for shelter, especially during late summer, fall, and winter.

Common wildlife in Upstate New York includes:

• Gray, Red and Flying squirrels
• Raccoons
• Bats
• Skunks
• Opossums
• Groundhogs (around foundations)

Unlike mice, wildlife animals usually create much more noticeable damage.

Behavioral Differences

One of the easiest ways to narrow down the culprit is by paying attention to when and how you hear activity.

For example:

• Light scratching inside walls at 2 a.m. often points toward mice and/or flying squirrels.
• Loud running across the ceiling early in the morning may indicate squirrels.
• Heavy thuds or vocal noises in the attic often suggest raccoons.

Structural Damage Patterns

Different pests leave different clues behind.

Rodent Damage

Rodents commonly:

• Chew electrical wiring
• Damage insulation
• Contaminate stored food
• Gnaw on plastic and wood
• Create nesting material from paper or fabric

Their constant chewing can even increase fire risks if electrical wiring becomes exposed.

Wildlife Damage

Larger wildlife often causes more obvious structural damage.

They may:

• Tear shingles or roof vents
• Rip open soffits
• Damage fascia boards
• Bend attic vents
• Pull apart insulation
• Damage ductwork
• Leave large nesting areas

Raccoons, in particular, can create extensive attic damage in a short amount of time.

Health Risks

Both rodents and wildlife can create health concerns, but the risks are different.

Rodents

Rodents may:

• Contaminate food with urine and droppings
• Spread bacteria through nesting areas
• Trigger allergies and asthma
• Introduce fleas, mites, or ticks into the home

Because they travel through wall voids, crawl spaces, and kitchens, they can contaminate multiple areas of the home before they're noticed.

Wildlife

Wildlife concerns often include:

• Larger accumulations of waste
• Parasites
• Property contamination
• Potential bites or scratches if cornered
• Damage that allows moisture into the home

Certain species, such as bats and raccoons, should never be handled without proper equipment and training.

Seasonal Activity in Upstate New York

Late summer and fall are peak seasons for both rodents and wildlife seeking shelter before winter.

As temperatures begin to drop:

• Mice start searching for indoor warmth.
• Squirrels look for protected nesting sites.
• Raccoons investigate attics and chimneys.
• Bats begin seeking overwintering locations.

Many homeowners don't realize there's a problem until they begin hearing movement inside the home.

The earlier an issue is identified, the easier it typically is to resolve.

When Should You Call Thomas Pest Services?

If you're hearing unexplained noises, finding droppings, or noticing damage around your home's exterior, it's a good idea to have the issue evaluated before it becomes more serious.

At Thomas Pest Services, our team helps homeowners throughout the Capital Region and Hudson Valley identify pest activity, locate entry points, and recommend the right solution for the specific problem. As a family-owned company built on honesty, transparency, and long-term relationships, we believe in treating little things like big things and focusing on proactive protection—not just reacting to infestations.

Whether it's a family of mice or larger nuisance wildlife, accurate identification is the first step toward protecting your home.

Download Our Free Wildlife vs. Rodent Identification Guide

Not sure what you're hearing—or what's causing the damage?

Download our free Wildlife vs. Rodent Identification Guide

Frequently Asked Questions

Is a squirrel considered a rodent?

Yes. Biologically, squirrels are rodents because they have continuously growing front teeth. However, in the pest management industry, squirrels are typically categorized as wildlife because they require different inspection, removal, and exclusion methods than mice or rats.

How can I tell if I have mice or squirrels in my attic?

Mice usually create light scratching sounds, leave small droppings, and stay hidden within walls. Squirrels tend to make louder running or jumping noises—often during the day—and may damage roof vents, soffits, or fascia as they enter.

Do wildlife problems get worse in the fall?

Yes. As temperatures cool in Upstate New York, many animals begin searching for warm, protected places to spend the winter. That's why late summer and fall are common times for homeowners to discover activity in attics, crawl spaces, and garages.

Can rodents and wildlife both be in the same home?

Absolutely. A home with accessible entry points can attract multiple types of pests. An inspection can determine which animals are present and identify how they're getting inside.