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How to Get Rid of Raccoons from Crawl Spaces
Written by: Dan Frankian
Do you think you might have raccoons in a crawl space in your building? Here’s everything you need to know in terms of wildlife control and beyond, whether your property is residential or commercial, urban or rural.
First off, a crawl space is a shallow space, often beneath the first floor of a building, which represents a raccoon’s ideal sanctuary. It provides guaranteed warmth, dryness, and darkness—perfect for year-round shelter and crucial for winter denning. An infestation here is a direct threat to a building’s structural health, utilities, and indoor air quality and this is true for both homes and businesses with raised foundations or subfloors .
You might not even realize you’re sharing your foundation with an entire raccoon family until it’s too late!
Why Raccoons Choose Crawl Spaces
Crawl spaces offer warmth during the winter and protection from predators.
Insulation materials make them ideal for nesting.
Food waste, pet food, or compost bins often are nearby.
Access is facilitated by small foundation gaps, vents, or loose grates.
What Types of Properties Are at Risk?
Residential
Older homes with wooden foundations or open vents.
Mobile homes and enclosed trailers.
Houses with easy backyard access, pet feeding areas, or gardens.
Commercial
Restaurants or food service buildings with nearby dumpsters.
Warehouses or storage units built on raised concrete pads.
Multi-unit housing complexes with utility crawl spaces.
Rural or Suburban Properties
Farmhouses or cottages with unsealed crawl access points.
Signs of a Raccoon Infestation in Crawl Spaces
Scratching, thumping, or chirping at night.
Strong ammonia-like odour from urine and feces.
Torn insulation or ripped vapor barriers.
Droppings, tracks, and greasy rub marks near vents or foundation openings.
Portable garages, tarp sheds, and construction canopies are often used for crucial winter storage of vehicles, equipment, and materials. These structures offer raccoons a perfect, insulated hideaway in the harsh Canadian cold, leading to immediate destruction of the fabric shell and contamination of valuable assets inside.
The risk is highest in late fall and during the first few weeks of snowfall. As temperatures drop, these sheltered spaces become irresistible, and a desperate raccoon will rip through vinyl and fabric walls in minutes to gain access.
Why Raccoons See Tarp Shelters as Ideal Winter Dens
Wind and Cold Barrier Even thin fabric traps air and blocks wind, creating a significantly warmer environment than the outside. When enclosed, these types of shelters become essential for a raccoon’s winter survival. While raccoons don't truly hibernate throughout the winter, they do enter torpor, a period of hours or days when their body temperature drops and the respiratory system slows down to conserve energy.
Ease of Access Because these enclosures cannot be locked tightly, they are easily breached.
Claw and Tear Raccoons use their strong claws to quickly tear through thin vinyl, polyester, or polyethylene fabrics.
Zipper/Velcro Exploitation Raccoons have the dexterity to pull apart loose zippers or Velcro seals at door entrances.
Ground Gap Entry They lift or push under loose bottom edges where the fabric meets the ground or snow.
Available Materials The shelter often contains materials that can be used to build or line a den. This can include cardboard boxes, stored fabrics, packaging, or even seat foam from stored vehicles.
Signs of Raccoon Activity in Tarp Shelters
Torn tarp corners or claw marks near entry flaps.
Displaced vehicle covers, insulation, or shredded fabrics.
Droppings or urine odour near vehicles or storage bins.
Unexplained noises (scratching, rustling) especially at night.
Tracks or muddy paw prints near shelter entrances.
Risks and Damages Caused by Raccoons in Tarp Shelters
Asset Contamination and Loss
Vehicle Damage Raccoons chew on electrical wiring, ignition components, or rubber hoses within stored vehicles, or rip up seat foam and upholstery for nesting material.
Inventory Contamination Feces and urine contaminate stored materials (e.g., lumber, insulation, retail goods) that must then be discarded.
Structural Integrity Failure
The primary structure is the fabric, so a raccoon breach renders the shelter useless, accelerating moisture and weather damage to stored items inside.
Insurance and Liability (the Policy Gap)
Standard property insurance often excludes damage to contents inside temporary structures or damage caused by wildlife. The entire financial burden of repair and asset replacement falls directly on the owner.
Seasonal Risks: Are Tarp Shelters More Vulnerable in Winter?
Raccoons actively seek warm, enclosed areas during cold months.
Snow accumulation can collapse parts of the shelter, creating hidden spaces that raccoons use for dens.
Reduced usage in winter means infestations often go unnoticed for a longer period.
Pro-Tip: Plan on routine mid-winter inspections of your structure's tarp integrity and anchor points.
While you are diligently investing money into your commercial property and renewable energy, your solar installation might be multi-tasking as a warm and sheltered nesting spot for opportunistic raccoons.
A steady increase in urban raccoon population is leading to business owners reporting more and more wildlife on roofs and under solar panels. This article will explore the reasons behind raccoon infestations under or around solar panels in both homes and commercial buildings in the GTA and what to do about them. When it comes to raccoon removal from solar panels, remember that there is only one company in Toronto and the GTA that offers a truly permanent solution - unlike trapping and relocating: Hawkeye Bird & Animal Control.
Why Do Solar Arrays Attract Raccoons?
The answer to this question is two-fold: Residential solar installations are usually mounted only 2-3 inches above the roof, so raccoons cannot fit under there. But, raccoons will still seek out solar arrays on sloped roofs to exploit the structural weakness created by the mounting brackets and to access the attic. On commercial roofs, solar arrays have a much larger gap between the roof and solar panels, so raccoons can actually use the space between as a shelter.
The Thermal Advantage (Year-Round) Solar panels act like a thermal blanket. They absorb massive amounts of sun/heat, and the space between the panel and the roof traps that heat, creating an ideal, insulated micro-climate critical for survival during freezing winter nights and extreme summer heat.
Safety and Seclusion The tight space and height offer perfect protection from ground-dwelling predators and human disturbance, making it a preferred location for birthing and nesting.
Easy Access Raccoons can use nearby trees, perimeter roof edges, or downspouts to gain access to the roof, then slide directly under the panels where they are completely hidden.
Proximity to Food Sources Garbage bins, compost, bird feeders, and nearby gardens provide a tasty buffet for resourceful raccoons.
Types of Properties Affected by Raccoons
The problem of raccoons around solar panels becomes more pronounced during the colder months as animals seek warmth and protection from the elements.
Residential Properties
Detached homes and townhouses;
Rural properties with solar panels;
Raccoons seek to gain access to the attic through the roof and by exploiting potential weaknesses created by the solar panel mount.
Commercial & Industrial Properties
Warehouses, factories, and retail stores with rooftop solar systems;
Commercial buildings with large flat roofs are at greater risk due to panel quantity and hidden spaces;
Raccoons will build nests (called dens) in the space between the solar panel and roof.
Signs of Raccoons Under or Around Solar Panels
Scratching, thumping, or movement noises, particularly at night;
Damaged wiring or insulation beneath panels;
Feces and urine accumulation on rooftops;
Visible claw marks on pipes or other access ways to the roof;
Loose or shifted panels;
Debris or nesting materials visible under panels or near gutters,
Raccoons Infesting Structural Steel I-Beams and Bridges
Written by: Dan Frankian
Raccoons infesting I-beams and bridges often exploit gaps in hollow structural steel elements, including box girders or bridge abutments for shelter. This is not just a pest problem; it's an infrastructure integrity and corrosion hazard that poses serious financial risks and can have catastrophic consequences to human life.
Raccoons can breach high-strength steel structures by exploiting existing flaws. These can include:
Weld Seam Gaps Hairline cracks or openings in aging or compromised weld joints and metal seams can offer enough space to allow for an entry point.
Unsealed Access Panels Raccoons pry open degraded or poorly sealed maintenance hatches and inspection ports meant for accessing conduits or lighting.
Conduit Penetrations Small holes where exterior electrical conduits, grounding wires, or drainage lines pass through the steel casing can be enlarged by a determined raccoon.
Why Raccoons Target Steel I-Beams and Bridge Structures
Hollow steel beams and supports mimic the natural environment suited to a raccoon den location. Trapped air and residual warmth from the surroundings (or slight heat from mechanical vibration/conduits) create a warm, insulated and wind-free micro-climate ideal conditions for a winter shelter. Let's look at this in more detail:
Elevation & Safety Height deters predators and human interference.
Seclusion Low human traffic at night, especially in industrial or bridge areas helps create a safe environment.
Proximity to Water Bridges in particular are popular with raccoons because of nearby water. Not only is water important for hydration, but raccoons also 'wash' their food before consumption.
Types of Properties and Structures Affected by Raccoons
Raccoon infestation under bridges is a particularly common phenomenon due to the warmth, elevation, and proximity to water that these structures provide.
Industrial Complexes Factories, refineries, and storage facilities offer shelter and often food as well.
Municipal Infrastructure Bridges, overpasses, and storm drains provide the added bonus of close proximity to water.
Commercial Sites Parking structures and logistics hubs are usually quiet and secluded overnight.
Construction Projects Incomplete steel frames or equipment also offer shelter.
Public Areas Pedestrian bridges or park structures often offer multiple benefits.
Risks of Raccoon Infestation on I-Beams & Bridges
A raccoon infestation on bridges can accelerate corrosion and structural decay, especially when droppings collect inside enclosed steel cavities. Here’s a breakdown of the risks:
Accelerated Internal Corrosion Highly acidic raccoon urine and feces accumulate inside the hollow steel cavity. This accelerates rust and corrosion on the interior surfaces, which are often difficult to inspect or recoat.
Loss of Structural Integrity Corrosion reduces the cross-sectional area of the steel, compromising its load-bearing capacity over time. Several bridge collapses in the past had corrosion from animal matter as contributing factors.
Contamination and Fire Risk Raccoons often drag nesting materials (i.e., insulation, plant matter, and plastic) inside, which can clog drainage holes in the beam or accumulate near electrical conduits, creating a fire hazard.
Inspection Failure For municipal or industrial infrastructure (e.g., loading dock bridges), evidence of pest infestation and corrosion can lead to a failed structural inspection and mandated closure or costly emergency repair.
High Access Costs The removal, cleanup, and structural repair of these areas require specialized high-reach equipment including lifts or scaffolding and certified technicians, making recurring problems exponentially more expensive.
Public Health Concerns
Leptospirosis, raccoon roundworm, and parasites in droppings.
Droppings falling onto walkways or vehicles below bridges.
Raccoons on Construction Sites and in Unfinished Buildings
Written by: Dan Frankian
Construction sites and partially completed buildings are high-risk targets for raccoons in the GTA, especially when cold weather hits. While tool storage areas and unused structures or equipment provide shelter, protection, and warmth, construction materials like insulation easily double as den linings. Food scraps and trash add to the attraction of construction sites.
Such infestations pose serious health and safety risks, compromise materials and the structural integrity of building projects, halt inspections, and create legal liability for construction companies, property owners, and developers. Of course, nearby residents will often notice a stark increase in raccoon sightings in their own backyards.
Why Unfinished Construction Sites Attract Raccoons
Construction sites are generally quiet and free of activity during the hours between dusk and dawn - and this is precisely when raccoons are most active. Here are some other considerations:
The Perfect Microclimate In a newly constructed building, a roof structure is often finished long before the interior walls are sealed. This creates a large, enclosed space that traps residual heat from the concrete foundation and shields the entire area from wind, offering a safe, dry "micro-climate" that’s perfect for winter torpor.
Abundant Nesting Material for Raccoon Nesting Sites Readily available materials including loose insulation, cardboard packaging, plastic sheeting, and discarded fabric are all utilized by raccoons to create insulated winter dens.
Ease of Access Unlike finished buildings, construction sites are rarely fully sealed. Raccoons exploit:
Uncovered elevator and utility shafts.
Missing windows/doors (covered only by poly sheeting).
Open joists and wall cavities.
Unfinished roofing/venting penetrations.
Unsealed vents, ducts, or chimneys.
Gaps in temporary fencing or plywood barriers.
Damaged tarps, scaffolding openings, or roof gaps.
Open basement or utility access points.
Raccoon Removal in Unfinished Buildings & Construction Sites: The Cascading Costs and Liability Risks
Financial Impact (Project Delays)
The discovery of wildlife can halt all work in that section of the site until animals and biohazards are cleared. This leads to costly project delays, wasted labour time, and potentially missing milestone deadlines.
Compromised Materials & Structure
Insulation & Drywall Urine, feces, and trampling/scratching damage destroy insulation (requiring costly replacement) and stain unfinished drywall or wood.
Chewed Wiring Raccoons chew on low-voltage wires and exposed electrical conduits, leading to faults that must be traced and rewired by licensed electricians before walls are sealed. If left unchecked, this can lead to fires.
Adjacent Property Risk (The Spread)
Raccoons often use vacant building as a hub. They commute to nearby finished properties (e.g., adjacent homes or neighbouring businesses) for food, increasing conflict within the community and drawing negative attention to the ongoing construction project.
Migration Effect: Once construction is completed, raccoons may move to nearby homes, offices, or condos.
Cross-Infestation Risk: Neighbouring buildings face increased intrusion pressure.
Garbage Attraction: Improper waste management at construction sites draws raccoons into the area, spreading problems to surrounding neighborhoods.
Raccoons are opportunistic nocturnal feeders that prefer low-effort and widely available food sources. That's why we see such a widespread increase in urban raccoon population, particularly during the winter months.
Commercial food storage areas are at a higher risk of raccoon infestations because of the availability and easy access to large quantities of food. While raccoons pose a number of issues in any urban setting, the consequences at food storage facilities are greatly multiplied. Such consequences include product contamination, health hazards, property damage, and legal liabilities.
Once a raccoon infestation is suspected or confirmed, it is vital to call in a professional, licensed commercial raccoon removal service for immediate and permanent results.
FAQs: Raccoons in Food Storage Areas
Q: Will the Canadian Food Inspection Agency (CFIA) fine us if they find raccoon droppings?
A: Indeed, raccoon droppings are a serious sanitation issue, evidence of failure in a company's pest control measures and subject to fines and other penalties. Here's what the Government of Canada states on this issue: "When businesses fail to comply with their obligations under the Safe Food for Canadians Act and the Safe Food for Canadians Regulations with respect to ensuring the safety of food, the CFIA has several enforcement tools at its disposal such as monetary penalties and suspending or cancellation of licences."
Q: Does the presence of a raccoon mean we have to stop operations?
A: Not necessarily, but a full shut down is a possibility. Immediate action is required. Contact a professional wildlife removal service at once. Depending on the area of infestation and product damage, you may need to shut down part of your operations or will have to put in place expanded quality control measures.
Q: Can raccoons nest inside pallets or storage containers?
A: Yes, raccoons can turn any dark and quiet crevasse into a den. Areas with little human traffic are most at risk.
Q: How can raccoons affect refrigerated or frozen stock?
A: Raccoons are notorious for chewing wires. Your refrigeration units may be at risk of malfunction or even become a fire hazard.
Q: What material should we use to seal entry points to prevent chewing?
A: Heavy-duty hardware cloth or other wire mesh should be used in addition to (over or under) the original building materials. Always contact a professional contractor for repairs.
Q: Are there early warning signs unique to commercial facilities compared to residential properties?
A: The warning signs of raccoon presence are universal. They include scratching or thumping noises, foul and musky odours, feces, and raccoon tracks (paw prints).
Q: Can raccoons access multiple floors or storage zones in a large facility?
A: Raccoons can absolutely gain access to an entire building in no time at all. They are avid climbers and surprisingly nimble, given their size.
Q: We use bulk raw materials (grains, feed). Are raccoons attracted to clean, sealed bags?
A: It isn't the bags that attract raccoons... it's their content. Raccoons have an extremely well-developed sense of smell and grains are a welcome addition to their diet.
Q: What safety precautions should staff take if raccoons are discovered?
A: If raccoon feces has been discovered, do not touch! Call a professional raccoon control company such as Hawkeye Bird & Animal Control to remove the animals and latrine(s). Until their arrival, it is advisable to use PPE including masks and gloves.
Q: Are baby raccoons common in commercial storage areas?
A: Yes, commercial storage areas offer ample space and often privacy to new or expectant mothers. You may hear distinct cooing or crying sounds, especially at nighttime.
How often should commercial facilities inspect for raccoon activity?
A: Commercial facilities should be inspected on a monthly basis. Staff should also be encouraged to report any signs or unusual noises as soon as they notice them.
Q: How much does permanent raccoon removal cost for commercial properties in the GTA?
A: Rates for permanent raccoon removal in commercial settings will vary and depend on the number of traps and number of visits by a technician needed. Services start at $225.
Q: What long-term monitoring is recommended after professional removal?
A: After raccoons have been removed from the area and all repairs have been completed, it is important to reduce any spillage or waste so as not to attract other animals. Doors should be kept closed whenever possible and monthly inspections should follow.
Many homeowners and property managers set up bird feeders to attract songbirds, especially during colder months. Unfortunately, bird feeders are also a major attractant for raccoons—intelligent, nocturnal, opportunistic, and highly adaptable animals.
As temperatures drop, raccoons seek easy food sources, and bird feeders are one of their top winter targets. Let's explore what you can do to get rid of raccoons and keep them out of your feeders in the future. Keep in mind that DIY deterrents and gadgets are rarely all that effective, but Hawkeye Bird & Animal Control offers legal and permanent raccoon removal services in the GTA.
Why Raccoons Are Attracted to Bird Feeders
Food Availability Spilled seeds and suet provide the high-calorie nutrition that raccoons need to survive the winter. Both black-oil and striped sunflower seeds are among their favorites. On that note, you might also fin squirrel and skunk visitors around your bird feeder.
Easy Access Raccoons are agile climbers and can easily reach most bird feeders, poles, or decks.
Nighttime Feeding Unlike birds, raccoons are active at night, so there's no competition around the feeder and the mess you find in the morning may well signal a raccoon visit.
Smell and Habits Raccoons have an excellent sense of smell that can lead them to your bird feeder. And once they find a reliable food source, they keep returning.
How Raccoons Cause Problems Around Bird Feeders
Damage:
Bending poles, breaking feeders, and tearing mounts.
Damaging nearby deck railings or roof gutters while climbing.
Health risks:
Droppings on patios and decks contain roundworm and other pathogens.
Risk of contamination near outdoor furniture and children’s play areas.
Secondary infestation risks:
Raccoons attracted to feeders often explore nearby attics, chimneys, and crawl spaces for shelter.
Bird feeders act as “gateway attractants” leading to full property infestations.
Recognizing Raccoon Activity Around Your Bird Feeder
Feeder emptied overnight.
Tracks or muddy paw prints on decks or railings.
Torn suet cages or feeder poles bent.
Scattered seeds and droppings under the feeder.
Noises at night near decks or walls.
Pro Tip: Inspect your feeders early in the morning for signs of nocturnal visitors.
Raccoons have adapted exceptionally well to city environments like Toronto and other communities in the GTA, where vertical living and dense housing provide endless climbing opportunities. Balconies, terraces, and rooftop patios become attractive nesting and feeding areas during both warm and cold months.
Raccoons invading outdoor living spaces is a problem for all sorts of property types:
Residential Homes Side or rear balconies near trees or fences are an easy target.
Apartments/Condos Raccoons access mid-rise to high-rise balconies via drainpipes or cables.
Commercial Properties Outdoor dining patios, restaurant terraces, and hotel balconies also see an increased number of raccoon visitors.
Why Raccoons Choose Balconies for Nesting
Elevated Security
The height of a balcony provides protection from natural predators like coyotes or dogs, as well and rivals. Raccoons feel secure enough to rest and, critically, to give birth.
Access Routes
Nearby Trees/Vines Raccoons are avid climbers and frequently use overhanging branches as bridges and ladders. This issue is most common for low-rise buildings.
Downspouts and Railings Raccoons have learned to climb vertical elements like gutters, downspouts, or fire escapes to reach higher ground.
Adjoining Roofs Being smart and agile little acrobats, raccoons can also jump from adjacent rooflines or lower balconies.
Where Raccoons Hide or Nest on Balconies
Behind furniture, especially if covered, during the off-season.
In storage bins or patio boxes that are insulated and dark — perfect for dens.
Under barbeques or outdoor heaters: radiating warmth attracts them.
In planters, hanging baskets, or between vertical garden frames.
In covered balcony ceilings or drainage cavities.
On shared ledges or connecting parapets between balconies of adjacent apartments.
Rooftop HVAC units, exhaust vents, and exposed AC ductwork are irresistible shelters for raccoons, not just in winter, but throughout the year, offering shade, water, or shelter for nesting. This is a critical issue for both commercial tenants and homeowners, with raccoons in HVAC units and AC ducts causing business interruptions, increased energy costs, and serious health concerns.
The types of properties affected by raccoons in rooftop ventilation units include residential homes, apartments, multi-unit buildings, offices, retail, and industrial facilities.
Why Raccoons Select HVAC and AC Ductwork
The Perfect Shelter With HVAC/AC units mimicking a hollow tree, they offer a rare combination of warmth during the winter months), shade and insulation in hot summer temperatures, and security from predators.
The "AC Duct"-Highway Raccoons take advantage of flexible ductwork, ventilation shafts, and exposed piping to move undetected into the unit's base or, critically, into the building's air supply system.
Common Entry Points (Specific to Modern/Older Systems):
Unsealed Conduit/Pipe Penetrations Gaps where refrigerant lines or electrical conduits enter the unit base or roof can be exploited.
Loose Access Panels Panels or hatches on the rooftop unit (RTU) that are degraded, unlatched, or only lightly screwed down can provide easy access.
Damaged Intake/Exhaust Vents Raccoons can pull back or chew through plastic or thin metal grates covering air vents on commercial roofs or residential wall/soffit units.
Condensate Drains Seeking water, raccoons damage drain lines or pans.
Signs of Raccoon Infestation in HVAC Units or Ducts
Unusual scratching or thumping noises inside units or ducts;
Strong musky odour from feces or urine;
Visible damage to wires, insulation, or duct seams;
Reduced airflow or sudden system malfunction;
Nighttime rooftop activity or tracks in snow near units;
Residential-specific signs: attic or basement vents showing raccoon droppings or damage.
Ongoing Training and QAWB Certification for Wildlife Biologists
Written by: Dan Frankian
Hawkeye's own Dan Frankian holds many titles and certifications - among them is being a certified Wildlife Biologist. Dan recently attended a 3-day event in Jacksonville, Florida which dealt with refreshing and expanding the knowledge and skills of wildlife biologists and an FAA-Approved 24-Hour QAWB Training course. Over the course of this event, Dan not only attended as a participant but also as a subject matter expert.
The agenda included in-depth coverage of aviation safety regulations, applicable wildlife laws, airport operations, and the FAA’s National Wildlife Strike Database, the completion of a capstone class project, field training, and essential tools and resources to support our ongoing work in the aviation industry. Ongoing comprehensive, FAA-compliant training is essential to support safe airport operations and effective wildlife management.
Wildlife Hazard Management and Training
Wildlife Hazard Assessment
A wildlife hazard management plan is preceded by a 3-4 day inspection, a one year long hazard assessment plan for all four seasons, and continuous monitoring the airport for 3-4 days in a row several times a year. It requires identifying areas of concern including local wildlife such as coyote, deer, birds of prey, cranes, etc.), note the largest birds in area and how many birdstrikes were reported in the previous year. Large birds such as sandhill cranes, pelicans, bald eagles, or vultures are most dangerous to aircraft if a bird strike occurrs.
Environmental Assessment
An environmental assessment considers seasonal and daytime vs. night time solutions. It also involves SNARGE - this is the examination of bird strike aftermath (particulates, carcasses, or smears) and DNA tests performed by the Smithsonian Institue in Washington, D.C. The goal is to determine what type of bird was involved in a bird strike and why it may have been in the area at the time.
Wildlife Hazard Management Plan
A management plan will include practical modifications (such as wiring, draining of swamp, etc.) in cooperation with various agencies including , U.S. Army Corps of Engineers, USDA Department of Agriculture, FFWS Florida Fish and Wildlife.
Environmental Resources Permitting Wetlands and Wildlife
Dealing with wildlife in Wetlands and habitat modification when wetlands are involvdd requires separate and/or additional permits. In the U.S., wetlands modification is primarily overseen by the U.S. Army Corps of Engineers (USACE) and the Environmental Protection Agency (EPA). Decisions on how much water can be redirectd or removed must be approved by those agencies. Modifications to wetlands are sometimes necessary to mitigate the risk of flooding.
Managing Airport Drainage Drainage is one of the biggest problems facing airports and requires frequent inspection of ditches and drainage systems. Changes to ditches and neighbouring wetlands often affect airport fencing and nearby flora and fauna.
Flora and Fauna It is important to know how much flora and fauna is safe and acceptable around airports in relation to how much and what type of wildlife is present. Aviation safety greatly relies on correct assessments of surrounding wildlife, its distance from the center of a runway, and the conditions which may encourage or discourage wildlife to encroach on airport property.
Airport Specific Habitat Considerations Grassy areas play a huge role with wildlife at airports. Grass must be kept short enough to not obscure wildlife and allow animals near runways undetected but not so short that it may attract geese or allow birds of prey to observe rodents on the ground and dive down. The recommended height of grass near runways is 9 inches.
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Raccoon Removal in Unfinished Buildings & Construction Sites: The Cascading Costs and Liability Risks
