AnimalControlServices ES

Wildlife in Illinois

Last updated: September 24, 2026

Worried about wildlife invading your Illinois home, perhaps near Aurora or Naperville? The state's varied climate, from cold winters to warm, humid summers, provides ample opportunities for wildlife to seek shelter and resources. This means that no matter the season, you might be dealing with unwanted guests in or around your property.

Illinois's weather patterns significantly influence wildlife activity, making certain times of the year more prone to intrusions. Cold winters often push rodents and larger mammals like raccoons into attics and crawl spaces for warmth. Conversely, warmer months can bring out snakes, bats, and an abundance of insects, attracting other animals. Our services are designed to address these seasonal shifts and the specific challenges they present to homeowners in Illinois.

Common questions

Is there a fee for calling animal control in Illinois?

There's no charge to discuss your wildlife concerns in Illinois. We want to understand the situation first. The cost for removal services depends on factors like the type of animal, the complexity of the job, and the extent of the infestation. We'll explain what goes into the price when you call us.

What is the 3-3-3 rule for animals in Illinois?

The 3-3-3 rule isn't a formal law in Illinois for wildlife. It's a general guideline some professionals use to understand an animal's adaptation period: 3 days to decompress, 3 weeks to learn routines, and 3 months to feel settled. This helps in assessing an animal's behavior after relocation.

Who to call to pick up stray cats in Illinois?

For stray cats in Illinois, you should typically contact your local animal shelter or a cat rescue organization. If you're dealing with nuisance wildlife like squirrels or raccoons in your home, that's where we specialize. We focus on safely removing and deterring these wild animals from your property.

What animals does animal control deal with in Illinois?

In Illinois, we handle a wide range of nuisance wildlife that may cause problems for homeowners. This commonly includes squirrels, raccoons, opossums, bats, and mice. We also address issues with snakes and other wild animals that can damage property or pose health risks.

How much does it cost to remove a dead animal in Illinois?

The cost to remove a dead animal in Illinois can vary. Important factors include the animal's size and its location on your property, such as in an attic, wall, or crawl space. We'll give you a clear explanation of what influences the service fee when you call us to describe the problem.

Does Illinois have specific wildlife control licensing?

Useful reference: USDA Wildlife Services — humane wildlife management.