Comprehensive Guide: How To Trap Flying Squirrels Safely And Humanely

Trapping flying squirrels requires the deployment of live-catch mesh cages baited with high-energy attractants, strict adherence to local wildlife regulations, and the immediate sealing of all exterior entry points to prevent re-infestation. Success depends on precise placement along elevated travel routes and understanding the nocturnal habits of either the Southern (Glaucomys volans) or Northern (Glaucomys sabrinus) species.

Pre-Operation & Equipment Checklist

Addressing a flying squirrel intrusion in an attic or wall void demands methodical preparation, proper hardware, and safety gear. Because these rodents can transmit pathogens and cause structural damage through constant gnawing, professional-grade suppression methods must be implemented safely.

• Essential Gear, Tools, and Materials:
  
  
  • Live-catch small animal traps (minimum dimensions: 10 inches by 3 inches by 3 inches or 12x4x4 inches with sensitive trip pedals).
  • Heavy-duty work gloves and N95 particulate respirators (to prevent inhalation of histoplasmosis spores from droppings).
  • High-protein and high-sugar bait options (pecans, peanut butter, sunflower seeds, and apple slices).
  • Heavy-gauge hardware cloth (1/4-inch galvanized steel mesh) and polyurethane sealant for exclusion.
  • Flashlight, headlamp, and a telescoping inspection mirror to examine dark cavity spaces.
• Mandatory Prerequisite Knowledge & Standards:
  
  
  • Verification of state and local fish and wildlife department regulations regarding live transport and relocation of nuisance wildlife.
  • Identification of the specific flying squirrel breeding season (typically peaking in late winter/early spring and summer) to avoid trapping nursing mothers, which leaves dependent kits to starve inside walls.
• Estimated Budget & Duration Benchmarks:
  
  
  • Budget: Fifty to two hundred dollars for multi-trap setups, sealing materials, and professional exclusion mesh.
  • Duration: Three to seven active trapping nights, followed by a mandatory two-week structural exclusion and monitoring phase.

Step-by-Step Trapping and Exclusion Workflow

Step 1: Conduct a Thorough Nocturnal and Structural Inspection

Before setting a single trap, pinpoint the exact travel corridors, nesting sites, and entry holes used by the rodents. Inspect the roofline, soffits, gable vents, and chimney flashings for dark staining, small gnaw marks, and accumulations of rice-sized fecal pellets. Because flying squirrels are strictly nocturnal, listen for scurrying and scratching sounds in the ceiling shortly after dusk.

Pro-Tip: Shine a high-powered flashlight along the exterior roofline at dusk; flying squirrels emerge just after sunset, and their eyes reflect a bright reddish-orange or amber eyeshine in the beam.

Step 2: Procure and Position Live-Catch Traps Strategically

Select single-door or double-door live-catch box traps featuring fine wire mesh to prevent the squirrels from reaching out or injuring their paws. Place these traps directly in the attic spaces or along exterior limbs and roof junctions where you observe heavy travel activity. Do not set traps in open areas; flying squirrels prefer running along structural edges, beams, and gutters. Secure the traps firmly using zip ties or wire so they do not wobble or fall when an animal enters.

Step 3: Bait and Set the Trigger Mechanisms

Bait the traps with foods that appeal to their omnivorous diet, such as a mixture of peanut butter and rolled oats, raw nuts (especially pecans and walnuts), or slices of fresh apple. Apply the bait behind the trip plate so the animal must step squarely on the pedal to reach the food. Adjust the gravity-drop door or spring-loaded trip mechanism until it is finely balanced and will drop closed at the slightest disturbance.

Warning: Never use rodenticides or poison baits inside a structure. A poisoned flying squirrel dying deep within a wall void creates a severe, long-lasting biological hazard and unbearable odor.

Step 4: Monitor Traps Frequently and Handle Captives Safely

Check all traps at least twice daily—once at first light and once in the evening. Leaving a captured flying squirrel in a trap for extended periods exposes the animal to extreme temperatures, dehydration, and fatal stress. Approach captured animals calmly, cover the trap with a dark cloth to calm them down, and wear thick leather gloves to handle the enclosure. Transport and release the animal in accordance with local wildlife laws, typically at least five to ten miles away in a wooded habitat featuring mature nut-bearing trees and a reliable water source.

Step 5: Execute Permanent Structural Exclusion

Trapping alone offers only temporary relief if the structural defects that allowed entry remain uncorrected. Once all occupants are removed, seal every gap, hole, and crack larger than a quarter-inch using 1/4-inch galvanized steel hardware cloth backed by high-grade polyurethane sealant or expanding foam. Pay meticulous attention to roof intersections, construction gaps, and utility penetrations.

Comparison of Nuisance Wildlife Trapping Methods

Common Site Failures and Field Fixes

• Root Cause: Traps remain empty night after night despite fresh bait disappearing.
  
  
  • Actionable Fix: The trap sensitivity is set too high or the bait is positioned incorrectly. Adjust the trip pan tension screw and smear peanut butter directly onto the trip pedal so the squirrel must manipulate it to trigger the door.
• Root Cause: Traps catch non-target species such as deer mice, chipmunks, or larger grey squirrels.
  
  
  • Actionable Fix: Switch to smaller-gauge traps specifically designed for small rodents, or relocate traps to elevated rafters and vertical wall studs where flying squirrels run but heavier ground-dwelling rodents rarely venture.
• Root Cause: Squirrels continue to reappear in the attic days after successful trapping and relocation.
  
  
  • Actionable Fix: You missed secondary entry holes or unsealed construction gaps. Conduct a smoke test or re-inspect the entire perimeter during daylight with a helper tapping on interior walls to spot escaping smoke.
• Root Cause: A captured flying squirrel becomes overly aggressive or damages its teeth on the wire mesh.
  
  
  • Actionable Fix: Immediately drape a thick bath towel or burlap sack over the entire trap upon discovery. Darkness instantly calms the animal, reducing self-inflicted dental trauma and physiological stress.

Frequently Asked Questions

How do I know if I have flying squirrels instead of regular grey squirrels?

Flying squirrels are significantly smaller, typically weighing between one and a half to three ounces, and possess a loose fold of skin stretching between their front and back legs known as a patagium. They are strictly nocturnal, whereas grey squirrels are active during daylight hours. Additionally, flying squirrel droppings are much smaller, resembling those of mice rather than the larger pellets of tree squirrels.

When is the best time of year to trap flying squirrels?

The optimal time for trapping and exclusion is late summer through autumn or mid-winter, outside of the primary maternal pupping seasons. Trapping during late spring or early summer risks separating nursing mothers from helpless young hidden inside deep wall cavities. Always inspect the attic for nests containing young before initiating any removal protocol.

Can I relocate flying squirrels to my local neighborhood park?

Most state and local wildlife regulations strictly prohibit relocating nuisance wildlife to public parks, municipal property, or onto another person's private land without explicit permission. Doing so can spread parasites or diseases and often results in the swift mortality of the displaced animal due to unfamiliarity with local predators and food sources. Review your state's specific wildlife relocation statutes before transport.

What bait works best to attract flying squirrels into a trap?

Flying squirrels have a high metabolic rate and an intense attraction to calorie-dense foods. A mixture of crunchy peanut butter rolled in oats, mixed raw nuts (especially pecans, walnuts, and almonds), and slices of sweet apple yields the highest capture rates. Smearing a drop of vanilla extract near the bait further enhances its aromatic drawing power.

How do flying squirrels get inside the house in the first place?

These agile rodents can compress their bodies to squeeze through openings as small as a quarter-inch, which includes gaps in gable vents, damaged ridge caps, uncapped chimneys, and construction joints where rooflines meet. Their sharp teeth easily chew through rotted wood, weathered caulking, and foam insulation to widen existing vulnerabilities.

Secure Your Home from Future Wildlife Intrusions Today

Permanently resolving a flying squirrel infestation requires a balanced combination of targeted live-trapping, careful handling, and meticulous exterior exclusion work. Protect your property's structural integrity and ensure the safety of your living space by sealing every potential vulnerability against future wildlife entry.