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Wyoming Wildlife Control: The Homeowner’s Guide to Removal & Exclusion

The noise usually starts in October. Something has decided that the warm space above your ceiling beats a rock pile at 11 degrees, and it is not wrong. Wyoming's cold does more to fill attics than any other single factor, and it compresses the whole problem into a few months when everybody notices at once. This page sorts out which animal you are dealing with from the evidence it leaves, what changes for each one, why the dry high plains climate makes entry points look different here than in wetter states, and what belongs in a removal quote. The animal is temporary. The hole is the part worth paying for.

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Quick answer

Wildlife problems in Wyoming are driven by cold. With typical winter lows near 11 degrees, raccoons, skunks and bats stop tolerating the outdoors and start testing every gap in a heated building. The fix is always the same order: identify the animal, get it out without sealing anything inside, then close the opening with metal so the next one cannot repeat the trick.

Key Takeaways

  • →Spring and fall are peak seasons for wildlife intrusions in Wyoming.
  • →Attics and chimneys are the most common entry points.
  • →Humane exclusion is the only permanent solution.
  • →Costs range from $250–$600 for removal to $1,000+ for full exclusion.
  • →State regulations protect many species; DIY removal may be illegal.
  • →Research: Thirty-two percent of the 859 wildlife-affected northeastern Illinois households in the Illinois Natural History Survey's (INHS) 2012 survey (reported 2013) said animals occupying a porch or deck was among their problems; respondents could name several types, and the figure is regional, not national.
Raccoon in a residential area
Striped skunk, Mephitis mephitis

Who This Is For

This guide is written for Wyoming homeowners, property managers, and landlords who are dealing with or want to prevent nuisance wildlife. Whether you’re in Cheyenne, Casper, Laramie, or a rural ranch, the principles are the same—but the species and regulations may differ. If you’ve heard scratching in the walls, found droppings in the attic, or noticed damage to your home’s exterior, this is your resource.

54%
NE Illinois homeowners with wildlife problems in prior year (INHS, 2013)
Source: Illinois Natural History Survey: homeowners and wildlife
13.7%
NE Illinois wildlife action-takers hiring a private service (INHS, 2013)
Source: Illinois Natural History Survey: homeowners and wildlife
57%
U.S. respondents using store-bought pest products (ConsumerAffairs, 2024)
Source: ConsumerAffairs household infestation survey
About 4,000, with over 90 percent in wildlife
Animal rabies cases reported nationally each year
Source: CDC
More than 20 percent each
Skunks and foxes that expose people or pets and test positive
Source: CDC
Nearly 3 out of 4
Americans living where wildlife carries rabies
Source: CDC
1.4 million, about 100,000 given post-exposure shots
Americans treated for possible rabies exposure each year
Source: CDC
Raccoon variant, canine variant in coyotes, gray fox variant
Rabies variants targeted by USDA's national program
Source: USDA APHIS

The Problem

The cast here is small and predictable. Raccoons are the heavy hitters near towns and river corridors, pulling at soffit returns and roof vents once nights turn hard. They are strong enough to defeat most casual repairs and smart enough to try the same building twice. Skunks work underneath rather than above. Decks, sheds, porch steps and any slab edge that frost has already lifted give them a starting point, and they will widen a small void into a den over a few nights. Bats use warm attics and wall voids in summer and can also overwinter in a building's protected spaces. They need almost nothing in the way of an opening, which matters in dry country where wood does not rot so much as shrink and pull away from fasteners. Squirrels round it out, chewing entries at gable ends and fascia joints, especially where mature trees in older town neighborhoods reach the roof.

Warning Signs

  • •Scratching, scurrying, or thumping sounds in the attic or walls, especially at dawn and dusk.
  • •Droppings (scat) in the attic, near entry points, or on the ground along the foundation.
  • •Gnaw marks on wood, wires, or plastic; shredded insulation or ductwork.
  • •Strong, musty odors from urine or feces, especially with raccoons or skunks.
  • •Visible damage to soffits, fascia, roof vents, or chimney caps.
  • •Tracks or trails in dirt or snow leading to a crawlspace or under a deck.
  • •Dead animals or foul smells from a trapped animal in a wall or chimney.

Risks of Waiting

  • ⚠Structural damage: Animals gnaw through wood, drywall, and electrical wiring, increasing fire risk.
  • ⚠Health hazards: Droppings and urine can spread histoplasmosis (bats), leptospirosis (raccoons), and hantavirus (rodents).
  • ⚠Secondary infestations: Untreated wildlife attract fleas, ticks, and mites that can invade your home.
  • ⚠Higher costs: A simple exclusion job can turn into a $2,500+ restoration if damage worsens.
  • ⚠Legal trouble: Wyoming law restricts how and when you can remove certain species; trapping without a license may be illegal.
✅

Do you have a wildlife problem?

Treatment Options

Inspection with written exclusion plan

Quoted after inspection

A full exterior and attic inspection produces a list of openings by location, the material for each, and a method for getting the animals out first. This is the step people skip and the one that determines whether the problem returns next fall. Ask for the list in writing rather than a verbal summary.

One visit, usually an hour or twoBest: Any first time attic or crawlspace intrusion

One way doors and permanent sealing

Quoted after inspection

Doors go on the active openings so animals leave to feed and cannot return, and everything else is closed with heavy mesh and flashing. The doors come off on a return visit and the last hole gets closed. This works on raccoons, squirrels and skunks with the same basic logic.

Several days to two weeksBest: Active entries with no dependent young inside

Trapping at the entry point

Quoted after inspection

Cage traps are placed where the animal already travels. Ask how often traps are checked, what the company does with the animal, and whether that answer changes for a skunk. Vague answers about releasing animals somewhere far away are worth pressing on before work begins.

Three to seven daysBest: An animal that will not use a one way door, or a female with a litter

Attic cleanup and re-insulation

Quoted after inspection

Contaminated material is bagged and hauled out, surfaces are treated, and new insulation is blown in to depth. In a climate this cold the insulation part is not cosmetic, so ask what R value goes back in and whether the price includes bringing the attic up to current depth.

One to two daysBest: Attics used through a full winter or longer
Cage-style live trap for wildlife
Eastern cottontail rabbit, Sylvilagus floridanus

Understanding Wyoming Wildlife Laws and Protected Species

Wyoming’s wildlife is managed by the Wyoming Game and Fish Department. Many common nuisance species, like raccoons and skunks, are classified as furbearers and may be trapped only during specific seasons or with a permit. Bats are protected; it is illegal to kill them or exclude them during maternity season (May 1–July 31) in most areas. Opossums are not native to Wyoming but have been introduced; they are not protected but still require humane treatment. Professional wildlife control operators are licensed by the state and trained to handle all species legally. Attempting DIY removal without understanding local regulations can result in fines. Always verify that your service provider carries the required licenses and liability insurance.

The Science of Humane Exclusion: Why Trapping Alone Fails

Many homeowners assume that trapping and removing an animal solves the problem. In reality, trapping is only half the job. Wildlife operates on the principle of the 'vacuum effect': if you remove an animal without sealing the entry point, another will soon move in to claim the territory. Humane exclusion uses a combination of one-way doors, eviction fluids (for raccoons), and physical sealing to ensure animals leave and cannot return. One-way doors are placed over entry points; animals push out but cannot push back in. After a few days, the doors are removed and the hole is permanently sealed. This method is more effective than trapping because it removes entire families (including young that might be hidden) and prevents future intrusions. In Wyoming’s climate, where animals desperately seek warmth in winter, exclusion is the only sustainable solution.

Common Entry Points and How to Inspect Them

Wyoming homes face unique challenges due to extreme weather. Freeze-thaw cycles can loosen siding and create gaps. The most common entry points are: roof vents (plastic or metal covers that can be pried open), soffit intersections (especially where rooflines change angle), chimney crowns (unprotected tops), and crawlspace vents (often missing screens). Also check: gaps where utility lines enter the house, loose or missing weatherstripping under doors, and rotted wood around windows. Use a flashlight at night to look for light shining through gaps. Listen for scratching at dawn and dusk. Professionals use ladders and inspection cameras to find hidden entries. A thorough inspection takes 30–60 minutes and is offered free by our company.

Health Risks from Wildlife Intrusion: What You Need to Know

Wildlife in your home is more than a nuisance—it’s a health hazard. Raccoon droppings can contain raccoon roundworm (Baylisascaris), which is dangerous to humans, especially children. Bat guano (droppings) can harbor histoplasma capsulatum, a fungus that causes histoplasmosis, a lung infection. Skunk spray, while not toxic, can cause nausea and temporary blindness if it gets in eyes. Squirrels and rodents can carry hantavirus, which is transmitted through urine and droppings. Additionally, wildlife often bring fleas, ticks, and mites into your home. These parasites can bite humans and pets, spreading diseases like Lyme disease and Rocky Mountain spotted fever. If you find droppings, do not sweep or vacuum—this aerosolizes pathogens. Instead, call a professional for safe cleanup and disinfection.

Seasonal Wildlife Behavior in Wyoming: When to Act

Wyoming’s wildlife patterns are driven by harsh winters and short summers. In spring (April–June), pregnant females seek safe, warm dens. This is peak time for raccoons and squirrels to enter attics. By summer (July–August), young are growing and become noisy—homeowners often first notice sounds then. Fall (September–November) is a second peak: animals that failed to find natural dens try to get into homes before snow. Bats enter hibernation in late fall, so fall exclusion is critical to prevent them from overwintering. Winter (December–March) is quieter, but animals already inside remain active. If you hear noises in winter, it likely means an established infestation. Timing matters: exclusion must be done before maternity season for bats, and trapping is most effective in early spring before young are born. A professional can advise the best time for your specific situation.

What the data says before you hire wildlife control

Homeowners often ask whether a wildlife problem is unusual and whether a quoted price is normal. Public research cannot answer either question for one house, but it does set expectations. Here is what the sources report. The Illinois Natural History Survey's 2000 survey of homeowners in a large northeastern Illinois metro region, reported in 2001, found that about half (51%) fed wildlife on their property, even as 58% reported wildlife problems; the results are local and dated. For a suburban homeowner, nuisance wildlife is closer to the norm than the exception: 58% of homeowners in a large northeastern Illinois metro region told the Illinois Natural History Survey (INHS) in 2000 they had had problems, a historical local figure, not a national rate. Among affected households in the Illinois Natural History Survey's (INHS) July to October 2012 survey of homeowners in the greater metropolitan area of northeastern Illinois (n=859, reported 2013), 44.6% listed landscaping damage, one of several damage types they could select. Among affected households in the Illinois Natural History Survey's (INHS) July to October 2012 survey of homeowners in the greater metropolitan area of northeastern Illinois (n=859, reported 2013), 28.8% listed animals nesting on the property, one of several damage types they could select. Seventy-six percent of U.S. homeowners ages 25 to 75 in a March 2022 online survey by HomeTeam Pest Defense said they had dealt with a pest issue in the previous year, a self-reported figure from a provider-sponsored survey with an undisclosed sample size. Because every figure above has a stated population and date, you can cite it when comparing providers. What none of them can tell you is what your specific property needs; that still takes an on-site inspection.

DIY vs. Professional Wildlife Control

FactorDIYProfessional
Cost$50–$200 (traps, materials)$250–$2,500 (full service)
EffectivenessOften temporary; animals returnPermanent with exclusion guarantee
LegalityMay violate state/federal lawsFully licensed and compliant
SafetyRisk of bites, disease, and property damageTrained technicians with PPE
TimeHours to days of trial and error1–2 weeks for complete solution

What Affects Cost

  • ✓Species: Raccoons and bats typically cost more to remove than squirrels or opossums.
  • ✓Infestation size: A single animal is cheaper than a colony.
  • ✓Location: Attic access is easier than wall voids or crawlspaces, affecting labor time.
  • ✓Damage: Significant repair needs (insulation, wiring, drywall) increase costs.
  • ✓Time of year: Spring and fall are busiest, sometimes with premium pricing.
  • ✓Local regulations: Some Wyoming counties require specific permits or methods.
  • ✓Service guarantee: Companies offering lifetime warranties may charge slightly more.
📊

What is the most common wildlife issue you face in Wyoming?

When to Call a Professional

Get medical advice the same day if a bat was in a room with someone sleeping, with a young child, or with anyone unable to say clearly whether contact happened. The bite can be too small to feel, and a bat that is captured rather than released can usually be tested, which settles the question fast. Bring in a company when the noise is inside a wall rather than the open attic, when you suspect young are present in spring, when a skunk is denned under an occupied structure, or when the entry is on a steep or icy roof. Winter roof work in this state is genuinely dangerous and not worth a Saturday attempt.

DIY vs Professional

The prevention half is honest do it yourself territory. Screening vents with quarter inch hardware cloth, capping the chimney, skirting a deck, trimming branches back from the roof and sealing gaps at the eave line are all within reach of a homeowner with a ladder and a drill. The removal half usually is not. Skunks are a rabies carrier and a spray risk, raccoons are strong and defensive around young, and bats carry both legal protection and a real health question. A trap bought at a farm store catches whatever walks in, which in this state often means the animal you least wanted to be holding. One mistake outranks all others: sealing a hole while something is still inside. In a dry, cold climate an animal shut in a wall does not decompose quickly, and the resulting job involves drywall, insulation and a smell that follows the heating season around the house.

Local Context

Wyoming’s wildlife control needs vary by region. In the southeastern corner, around Cheyenne and Laramie, raccoons and squirrels are the top nuisance animals, thanks to urban green spaces and older homes with accessible attics. In the central and western parts of the state—Casper, Riverton, Rock Springs—skunks and bats are more common, drawn to crawlspaces and outbuildings. The mountainous regions near Jackson and Cody see occasional black bear intrusions, though these are less frequent and require specialized handling. Elevation also plays a role: homes at higher elevations (above 6,000 feet) are more likely to have bat colonies due to cooler attic temperatures that mimic caves. Regardless of location, all Wyoming homeowners should prioritize exclusion before winter. The state’s long, cold season means animals that breach your home in fall will stay until spring, causing months of damage. Our inspection terms that vary by provider cover all Wyoming counties, and we dispatch local technicians who know the regional species and regulations.

Prevention Tips

  • ✓Cap the chimney with a screened stainless cap, since raccoons treat an open flue as a den entrance.
  • ✓Skirt decks and sheds with hardware cloth buried and bent outward to defeat skunk digging.
  • ✓Replace shrunken trim boards and gap filled fascia rather than caulking joints that keep moving.
  • ✓Screen every gable, soffit and foundation vent with metal mesh instead of fiberglass screen.
  • ✓Trim limbs several feet back from the roof line in older neighborhoods with mature trees.
  • ✓Store feed, seed and pet food in metal containers inside a closed building through winter.
  • ✓Grade and backfill where frost has pulled soil away from foundations and slab edges.
  • ✓Do the exterior walk in late summer, well before the cold push starts in earnest.

💡 Did You Know?

  • ★Opossums are largely immune to most snake venom and eat thousands of ticks per season, making them beneficial in small numbers.
  • ★Squirrels plant thousands of trees a year by forgetting where they bury nuts, contributing to forest regeneration.
  • ★Raccoons have extremely dexterous front paws with four to five times more sensory receptors than human hands, allowing them to open latches and jars.

Frequently Asked Questions

What does wildlife control cost in Wyoming?
Typical removal costs $250–$600 per animal. Full exclusion and repair ranges from $800 to $2,500, depending on the extent of damage and number of entry points. Our inspection terms that vary by provider includes a written estimate.
Can I remove wildlife myself in Wyoming?
It depends on the species. Raccoons and skunks are furbearers and may only be trapped in season with a license. Bats are protected year-round. Most homeowners lack the equipment and knowledge to do it safely and legally. We recommend hiring a licensed professional.
How do I know if I have bats in my attic?
Signs include small piles of guano (droppings) that resemble mouse droppings but crumble easily, a strong ammonia smell, and squeaking or scratching sounds at dusk and dawn. Bats exit at dusk; if you see them flying out, you have a colony.
What should I do if I find a baby squirrel or raccoon?
Do not touch it. The mother is likely nearby and will retrieve it. If the animal is injured or the mother does not return within 24 hours, call a wildlife rehabilitator. In Wyoming, contact the Wyoming Game and Fish Department for a list of permitted rehabilitators.
How long does wildlife exclusion take?
Exclusion itself takes 1–3 days of hands-on work. However, the process of evicting animals using one-way doors usually takes 1–2 weeks to ensure all animals have left. A follow-up visit seals the final entry points.
Does homeowners insurance cover wildlife damage?
Most standard policies do not cover damage from pests or wildlife. Some may cover sudden damage (e.g., a raccoon tearing through a roof), but gradual damage from nesting is typically excluded. Check your policy and consider adding a rider if you live in a high-risk area.
What do homeowners actually do about wildlife in the yard?
Mostly they try to keep animals out or scare them off. In the Illinois Natural History Survey's (INHS) 2012 survey of homeowners in the greater metropolitan area of northeastern Illinois, reported in 2013, 43.4% of 518 action-takers used exclusion devices, 40.0% used commercial repellents, 38.0% sealed cracks and openings, 21.4% removed animals themselves and 13.7% hired a private removal service. Respondents could select several methods, and the results are regional. Exclusion and sealing address the cause; repellents tend to buy time.
How many homeowners have problems with nuisance wildlife?
In one of the few detailed regional surveys, a majority did. The Illinois Natural History Survey (INHS) surveyed 1,576 homeowners in the greater metropolitan area of northeastern Illinois between July and October 2012 and reported in 2013 that 54% had experienced wildlife problems around their home in the preceding year. That is a single-region result, not a national prevalence rate. Keep a simple log of dates and damage so any professional you consult can work from evidence.

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📚 Sources & Further Reading

Content provenance and service transparency

Statistics on this page come from named public surveys, studies and published cost guides, cited inline with their dates and populations; they are not this site's own customer data and do not describe any specific property. Content was drafted with an editorial pipeline and reviewed on September 11, 2026 for source fidelity, claim wording and local relevance. Provider availability, pricing, credentials and service terms must be confirmed directly.

Published by Wildlife Exterminator ¡ No named licensed-professional review is claimed ¡ Updated 2026-09-11T20:15:42.321Z

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