NWCO - Nuisance Wildlife Control Operator Nuisance Wildlife Control Operator Common Mammal Control 1 — Questions and Answers
Question 1: What device is most commonly used to manage nuisance beaver flooding while allowing the beaver to remain on-site?
- Conibear body-gripping trap set at the dam face
- Water-flow control pipe installed through the dam (Correct answer)
- Electric fence strung along the pond perimeter
- Live cage trap baited with castor musk
Correct answer: Water-flow control pipe installed through the dam
Water-flow control devices such as Beaver Deceivers or Clemson Pond Levelers pipe water through or around the dam, lowering the pond to a non-damaging level without removing the animal — a cost-effective, non-lethal long-term solution.
Question 2: Which field sign most reliably distinguishes meadow vole (Microtus pennsylvanicus) surface damage from Eastern mole (Scalopus aquaticus) tunnel damage in a lawn?
- Raised, meandering ridges of soil pushed up from below
- Visible surface runways with clipped grass blades and droppings along the path (Correct answer)
- Volcano-shaped mounds of loose soil with a plugged center hole
- Soft spots in the lawn where subsurface tunnels have collapsed
Correct answer: Visible surface runways with clipped grass blades and droppings along the path
Voles create visible surface runways littered with clipped vegetation and fecal pellets; moles produce raised subsurface ridges and volcano-shaped mounds but do not leave surface runways with clipped grass.
Question 3: An opossum in a live trap is lying motionless, eyes partially open, tongue extended, and unresponsive to prodding. What is the correct operator response?
- Euthanize immediately — unresponsiveness indicates severe neurological disease
- Administer fluids and transport to a wildlife rehabilitator
- Leave the trap covered and undisturbed; the animal will recover within minutes to a few hours (Correct answer)
- Release on-site at once, as thanatosis only occurs in uninjured animals
Correct answer: Leave the trap covered and undisturbed; the animal will recover within minutes to a few hours
Thanatosis ('playing dead') in opossums is an involuntary physiological response, not a sign of injury or disease. Keeping the trap covered reduces stimulation and the animal self-recovers without any intervention.
Question 4: What is the primary regulatory and biological concern with relocating a live-trapped coyote to a new area?
- Coyotes are federally protected under the Migratory Bird Treaty Act and cannot be relocated without a federal permit
- Relocation may violate state law, spread disease such as mange or distemper, and create new territorial conflicts with resident coyotes (Correct answer)
- Coyotes require a minimum 100-mile relocation distance or they will return to the capture site
- Relocated coyotes cannot adapt to new prey species and typically starve within 30 days
Correct answer: Relocation may violate state law, spread disease such as mange or distemper, and create new territorial conflicts with resident coyotes
Most states prohibit or strictly regulate coyote relocation. Beyond legal issues, relocated individuals frequently die from territorial aggression, and the practice risks spreading sarcoptic mange, distemper, and other pathogens to new areas.
Question 5: What is the most effective long-term method to prevent a groundhog (woodchuck) from burrowing under a shed or deck foundation?
- Place mothballs at all active burrow entrances each spring
- Install ultrasonic repellers on each corner of the structure
- Bury hardware cloth at least 12 inches deep with the bottom bent outward at a 90-degree angle (Correct answer)
- Apply predator urine around the perimeter on a monthly schedule
Correct answer: Bury hardware cloth at least 12 inches deep with the bottom bent outward at a 90-degree angle
An L-shaped hardware cloth barrier buried underground physically prevents burrowing; the outward-angled foot discourages digging at the base of the barrier, making it effective year-round without repeated maintenance.
Question 6: When transporting a live-trapped striped skunk, which technique is most effective at preventing the animal from discharging its scent glands?
- Spray a light mist of water over the trap to calm the animal before moving it
- Wear thick rubber gloves and move the trap quickly and directly to the vehicle
- Place dry ice near the trap entrance to temporarily slow the animal's movements
- Drape a cloth or tarp completely over the trap before and during transport to block visual stimuli (Correct answer)
Correct answer: Drape a cloth or tarp completely over the trap before and during transport to block visual stimuli
Skunks rely heavily on visual cues to trigger their spray defense. A full cover eliminates the visual threat stimulus, keeping the animal calm; rapid movement or water misting increases stress and the likelihood of discharge.
NWCO - Nuisance Wildlife Control Operator Nuisance Wildlife Control Operator Common Mammal Control 1
What device is most commonly used to manage nuisance beaver flooding while allowing the beaver to remain on-site?