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Montana Wildlife Control: Expert Removal & Prevention

A noise in the ceiling in October is not a coincidence in this state. Montana buildings offer two things the surrounding country runs short of in autumn, steady heat and a reliable trace of moisture, and animals respond to that on a schedule you can almost mark on a calendar. This page helps you work out what you have from evidence you can check yourself, explains what changes depending on the answer, and sets out what a repair should include. It leans on the state's actual climate figures, because in dry cold country those numbers explain both animal behavior and how buildings fail.

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Quick answer

In Montana the pull is warmth and water, not food alone. With median winter lows near 13F and only 14 inches of precipitation a year, a heated building offers both, so attics, crawlspaces and outbuildings fill up from September onward. Identify the animal from the sound timing and the droppings first, then buy the sealing work rather than a single removal.

Key Takeaways

  • →Spring and fall are peak seasons for wildlife intrusions in Montana.
  • →Common nuisance species: raccoons, squirrels, opossums, skunks, and bats.
  • →Humane exclusion is the only permanent solution; trapping alone is temporary.
  • →Montana regulations protect many species; always hire a licensed professional.
  • →inspection terms that vary by provider and service guarantees available statewide.
  • →Research: Physical barriers were the most popular fix: 43.4% of 518 action-takers in the Illinois Natural History Survey's (INHS) 2012 survey of northeastern Illinois homeowners (reported 2013) used exclusion devices, a regional multi-select figure that does not measure success.
Eastern cottontail rabbit, Sylvilagus floridanus
Cage-style live trap for wildlife

Who This Is For

For Montana homeowners hearing movement overhead, people with barns, shops and detached garages that have quietly hosted a bat colony for years, and anyone who wants to compare two quotes without guessing. It also suits property owners around Bozeman and Missoula whose newer construction has already opened seams at the trim after a few dry seasons.

54%
NE Illinois homeowners with wildlife problems in prior year (INHS, 2013)
Source: Illinois Natural History Survey: homeowners and wildlife
49.3%
NE Illinois private wildlife-service users rating it excellent (INHS, 2013)
Source: Illinois Natural History Survey: homeowners and wildlife
30%
Pest-control payers who spent $1,001–$5,000 (ConsumerAffairs, 2024)
Source: ConsumerAffairs household infestation survey
Around 4,000, over 90 percent of them in wild animals
Animal rabies cases reported nationally each year
Source: CDC
35 percent, with skunks at 17 percent
Bats as a share of animal rabies cases
Source: CDC
17, including two acquired abroad
U.S. human rabies cases recorded from 2015 to 2024
Source: CDC
Nearly 3 out of 4
Share of Americans living where wildlife carries rabies
Source: CDC
Raccoon variant, canine rabies in coyotes, and gray fox variant
Rabies variants targeted by the federal control program
Source: USDA APHIS

The Problem

Montana's dryness changes how buildings fail and therefore how animals get in. With roughly 14 inches of precipitation a year and humidity near 59 percent, wood does not rot the way it does in the Southeast. It shrinks. Trim boards pull away from their fasteners, siding joints open, and the gap between a fascia board and the roof deck widens quietly over several seasons. Those are not chewed holes, they are manufactured ones, and a bat needs nothing larger. The temperature swing does the rest. Summer highs near 85F and winter lows around 13F mean a nearly seventy degree annual range, and every cycle works the joints a little more. What comes through those gaps depends on the level. Raccoons and squirrels take the roof, using soffit returns and gable ends. Skunks work the ground, digging under decks, stoops and shop slabs where the soil thaws first. Bats occupy the seams themselves, and in outbuildings around Great Falls, Butte and the smaller towns, a colony can hold the same roost for many years without anyone noticing.

Warning Signs

  • •Scratching, scurrying, or thumping sounds in the attic or walls, especially at night.
  • •Droppings (scat) near entry points or in attic spaces; bat guano piles under roosts.
  • •Gnaw marks on wood, wires, or plastic; holes in siding or soffits.
  • •Strong odors from urine, feces, or dead animals (e.g., skunk spray).
  • •Visible tracks or rub marks on walls, ducts, or insulation.
  • •Damaged vents, loose shingles, or chimney caps displaced.
  • •Pet or human encounters with wildlife on the property (e.g., raccoons at trash cans).

Risks of Waiting

  • ⚠Structural damage from gnawing and nesting can lead to costly repairs.
  • ⚠Fire hazard from chewed electrical wires.
  • ⚠Health risks from diseases carried by wildlife and their droppings.
  • ⚠Secondary infestations of insects attracted to carcasses or droppings.
  • ⚠Legal issues if protected species are harmed or if exclusion is done incorrectly.
✅

Do you have a wildlife problem?

Treatment Options

Inspection of the whole envelope

Quoted after inspection

Someone walks the roof edge, gable ends, foundation line and any outbuildings to confirm the species and count openings. In dry country the entry is often a shrinkage seam rather than an obvious hole, so ask the inspector to show you each one rather than just report a total.

One to two hoursBest: Anyone who has not confirmed what is present

One-way exit with sealing

Quoted after inspection

Secondary openings are closed first, then a device on the main entry lets the animal out without letting it return. Nothing is handled and nothing is caged. It is the standard approach for bat colonies outside the maternity period and works equally well for squirrels and raccoons in a roof.

Three days to two weeksBest: Roof seams, gable ends and established bat roosts

Cage trapping with scheduled checks

Quoted after inspection

Used where an exit device cannot be mounted, typically a skunk denned under a slab or an animal in an enclosed void. Ask how often traps get checked, what credential the operator holds, and what the state permits them to do with a captured rabies vector species before anything is set.

Two days to a weekBest: Ground burrows and inaccessible dens

Repair, sealing and cleanup

Quoted after inspection

Closing shrinkage seams with backer and metal flashing, screening gable and foundation vents, capping chimneys, burying mesh at deck skirting, and removing contaminated insulation or guano with treatment of the surfaces below. In dry climates the sealing detail matters more than the screen size.

One to three daysBest: Making any removal permanent
Groundhog, Marmota monax, standing near its burrow
Coyote, Canis latrans, in a suburban setting

Montana’s Protected Species and Regulations

Montana Fish, Wildlife & Parks (FWP) regulates wildlife control. Many species, including bats, are protected by state law. Raccoons, skunks, and opossums are classified as furbearers and may be trapped only during specific seasons unless they are causing damage. Bats cannot be killed or trapped during maternity season (June–August). Professional wildlife control operators must hold a nuisance wildlife control permit from FWP. This ensures animals are handled humanely and according to the law. Homeowners attempting DIY removal may inadvertently violate regulations, leading to fines. Always verify that your wildlife control company is licensed and follows FWP guidelines.

Why Humane Exclusion Is the Gold Standard

Trapping and removing a raccoon or squirrel may provide short-term relief, but if entry points remain open, new animals will move in. Humane exclusion focuses on sealing all potential entry points after ensuring no animals are trapped inside. This is done by installing one-way doors, mesh, and covers that allow animals to exit but not re-enter. Exclusion is more thorough and cost-effective over time. It also prevents orphaned young from dying in the attic, which creates odor and fly problems. Professional exclusion includes a thorough inspection of the entire structure, using sealants and materials that withstand Montana’s weather extremes.

Seasonal Patterns in Montana Wildlife Intrusions

Spring and fall are the peak seasons for wildlife intrusions in Montana. In spring, females seek safe, warm places to give birth and raise young. Attics, chimneys, and crawlspaces become ideal nurseries. In fall, animals search for winter shelter as temperatures drop. This is when you’re most likely to hear scratching or see animals entering your home. Winter can be quieter, but if animals have already taken up residence, they will remain active. Summer is the busiest time for bat exclusion, as bats are active and can be excluded without harming young. Understanding these patterns helps homeowners anticipate and prevent problems.

Health Risks from Wildlife Infestations

Wildlife in the home pose serious health risks. Raccoon and skunk droppings can contain raccoon roundworm (Baylisascaris) and leptospirosis, which are harmful to humans and pets. Bat guano can harbor Histoplasma capsulatum, a fungus that causes histoplasmosis, a respiratory disease. Bats are also the primary vector for rabies in Montana. Squirrels and rats can introduce fleas and ticks. Dead animals in walls or attics attract flies and beetles. Prompt professional cleanup and disinfection are essential to mitigate these risks. The CDC recommends professional removal and decontamination for any significant wildlife intrusion.

What surveys and cost guides say about wildlife problems

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. Fifty-one percent of homeowners in a large northeastern Illinois metropolitan region said they fed wildlife on their property in a 2000 Illinois Natural History Survey (INHS) study, a historical local finding, not a national estimate. About one in five homeowners who acted removed the animal themselves: 21.4% of 518 action-takers in the Illinois Natural History Survey's (INHS) 2012 survey of northeastern Illinois homeowners (reported 2013), a regional multi-select figure, and a route with legal and safety questions in many states. Forty-four point six percent of the 859 wildlife-affected northeastern Illinois households in the Illinois Natural History Survey's (INHS) 2012 survey (reported 2013) said landscaping damage was among their problems; respondents could name several types, and the figure is regional, not national. Four point five percent of the 71 northeastern Illinois homeowners who used a private wildlife removal service in the Illinois Natural History Survey's (INHS) 2012 survey, reported in 2013, rated the service poor; the sample is small and regional, not a national satisfaction rate. Forbes Home's spring 2024 survey of 1,000 U.S. homeowners found that 42% had hired a professional for pest control, a self-reported decision that sits alongside the 52% who said they went the do-it-yourself route. 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 in Montana

FactorDIYProfessional
CostLow upfront, high risk of repeat damage$250–$2,500, permanent solution
Regulation complianceEasy to violate state lawsFully licensed and permitted
EffectivenessTemporary; rarely removes all animalsPermanent exclusion guaranteed
Health safetyHigh risk of disease exposureProper PPE and decontamination
Time commitmentHours to weeks of trial and error1–3 days for most jobs

What Affects Cost

  • ✓Species of animal (bats and raccoons often cost more due to regulations and complexity).
  • ✓Number of animals and size of infestation.
  • ✓Location of entry points (roof vs. ground level affects labor).
  • ✓Extent of damage and need for restoration (insulation replacement, guano cleanup).
  • ✓Structural complexity of the building (multiple stories, difficult access).
  • ✓Local labor rates and travel distance (rural Montana may have higher travel fees).
  • ✓Time of year (spring and fall are busier, potentially higher demand).
📊

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

When to Call a Professional

Call the same day if a bat has been in a room with a sleeping person, a young child, or anyone who could not report a bite, because the medical decision has a deadline and the animal is more useful alive and contained than gone. Call promptly for any bite or scratch from a wild mammal. Otherwise, call when the noise is heavy enough to be a raccoon, when a roost has clearly been in place for years, when the work involves a barn roof, or when a previous attempt failed. Montana's outbuildings hide long standing colonies well, and the scale of those jobs is consistently underestimated by owners.

DIY vs Professional

Plenty of this is homeowner work. Sealing shrinkage seams with backer rod and metal, screening gable vents with quarter inch galvanized cloth, capping the chimney, burying mesh at a deck skirt in September, and keeping feed in metal containers all sit well within reach and last for years once done properly. The part to hand over is anything involving an animal that is currently present. Sealing an entry before the occupant has left produces a dead animal in a wall, and in spring it produces a litter. Bat work carries its own timing rules, since a colony sealed during the maternity period loses flightless pups inside the structure. Handling a skunk, raccoon or bat by hand is a job for someone vaccinated and equipped. If the task means touching a wild mammal, or standing on a barn roof in a Montana wind, that is where DIY should stop.

Local Context

The state's building stock does more to shape these calls than its wildlife does. Around Billings and Great Falls, older housing with wood trim has been through decades of a seventy degree annual temperature swing, and the seams show it. Missoula and Bozeman mix that with newer construction where trim is already opening after a handful of dry seasons, and with median home values across Montana cities near $340,000, sealing those seams is cheap protection for an expensive building. Butte and the smaller towns bring outbuildings into the picture, and barns and shops are where long standing bat roosts sit unnoticed. The 59 percent humidity figure matters in a way people miss: dry air means guano accumulates as dust rather than compacting, so it spreads further through a building when disturbed.

Prevention Tips

  • ✓Seal shrinkage gaps at fascia and siding joints with backer and metal rather than caulk alone.
  • ✓Screen gable, ridge and foundation vents with quarter inch galvanized cloth fixed into framing.
  • ✓Fit a stainless chimney cap before the autumn move indoors begins.
  • ✓Trench and bury an L shaped mesh apron at deck, stoop and shop slab edges while the ground is soft.
  • ✓Store livestock feed and birdseed in metal bins with latching lids.
  • ✓Walk barns and detached shops once a year with a flashlight, looking for staining under rafters.
  • ✓Cut back branches so nothing bridges onto a roof edge.
  • ✓Fix dripping outdoor taps and standing water, because in dry country water is a strong draw.
  • ✓Keep rabies vaccinations current for dogs, cats and working animals.

💡 Did You Know?

  • ★Opossums are largely immune to most snake venom and eat thousands of ticks per season, helping control tick-borne diseases.
  • ★Squirrels plant thousands of trees a year by forgetting where they bury nuts, contributing to forest regeneration.
  • ★A single bat can eat up to 1,000 mosquitoes per hour, but a colony in your attic can produce guano that harbors harmful fungi.

Frequently Asked Questions

What should I do if I find a bat in my house?
Open windows and doors to let it escape. Do not touch it with bare hands—bats can carry rabies. If it doesn't leave, call a professional. Avoid sealing it in a room; it may become trapped. After removal, have your home inspected for entry points.
Is it legal to trap and relocate raccoons in Montana?
Relocation is generally illegal without a permit because it can spread disease and disrupt ecosystems. independent pest-control providers may trap and euthanize raccoons humanely or release them on-site if conditions allow. Check with Montana FWP for specific regulations.
How do I know if I have a bat colony in my attic?
Signs include piles of guano (droppings) that look like dark, crumbly pellets, a strong ammonia odor, and squeaking sounds at dusk. Bats often enter through gaps in eaves or chimneys. A professional can confirm with an inspection.
Can I just seal the hole after the animal leaves?
No. Sealing without ensuring no animals are inside can trap them, leading to death, odor, and flies. Professionals use one-way doors to allow exit and then seal after confirming vacancy.
What is the best time of year for wildlife exclusion?
Late summer to early fall is ideal for most species. Avoid spring (birthing season) and winter (animals may be denning). Bat exclusion should be done in late summer after young can fly, typically August–October.
How much does wildlife control cost in Montana?
Removal alone: $250–$600. Full exclusion and restoration: $1,000–$2,500. Many companies offer inspection terms that vary by provider. Costs vary by species, extent of damage, and location.
Do you offer a guarantee on your work?
Yes, Wildlife Removal provides a service guarantee. If the same animals re-enter within a specified period, we return free of charge. Ask about details during your inspection terms that vary by provider.
What animals are protected in Montana?
Bats, birds (including owls and woodpeckers), and some furbearers are protected. You cannot kill or remove them without a permit. Even raccoons and skunks have regulated trapping seasons. Always consult a licensed professional.
How common are nuisance wildlife problems around suburban homes?
Common enough to be routine. In a 2000 survey by the Illinois Natural History Survey of homeowners in a large northeastern Illinois metropolitan region, 58% reported wildlife problems around their homes in the preceding year. That is a historical, local finding, not a national estimate, and conditions have changed since. If raccoons, squirrels or skunks are visiting, start by removing food sources such as unsecured garbage and pet food before considering a removal service.
Do most homeowners do anything about nuisance wildlife?
Most do, though a sizable share wait it out. In the Illinois Natural History Survey's (INHS) 2012 survey of homeowners in the greater metropolitan area of northeastern Illinois, reported in 2013, 62% of 830 households with a wildlife problem took corrective action, which leaves roughly 38% who did nothing. The result is regional, not national. If an animal is inside a structure rather than just passing through the yard, waiting tends to raise the eventual repair bill, so act early.

Related Pages

Wildlife Control & RemovalExpert Wildlife Extermination in Aberdeen, SDWildlife Control Abilene: Reliable Extermination ServicesWildlife Control Aiken: Reliable Extermination ServicesProfessional Wildlife Control in Akron, OHWildlife Control Alabaster: Reliable Extermination ServicesNebraska Wildlife Control: Comprehensive Guide to Removal &Wildlife Control in Missoula, MTWildlife Control in Great Falls, MTWildlife Control in Miles City, MTBillings wildlife exterminatorsBozeman wildlife exterminatorsButte wildlife control guideWildlife in Helena, MTWildlife in Kalispell, MTBelgrade wildlife control guideHavre wildlife exterminatorsWildlife in Anaconda, MTWildlife control in LivingstonSigns Of WildlifesWildlife Control Cost

📚 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 2026-09-11T20:15:41.786Z

How this content is produced and corrected

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