NWCO - Nuisance Wildlife Control Operator Nuisance Wildlife Control Operator Trapping and Capture Methods 1 — Questions and Answers
Question 1: When using a body-gripping (Conibear-style) trap in a culvert or drainpipe for muskrat, what is the correct jaw spread size to use?
- #110 (4.5-inch jaw spread) (Correct answer)
- #220 (7-inch jaw spread)
- #330 (10-inch jaw spread)
- #160 (6-inch jaw spread)
Correct answer: #110 (4.5-inch jaw spread)
A #110 body-gripping trap with a 4.5-inch jaw spread is sized appropriately for muskrats and fits snugly in small culverts, ensuring quick, humane dispatch without allowing the animal to pass through or escape.
Question 2: Which type of foothold trap modification is most commonly required by state regulations to reduce injury to non-target animals?
- Wider jaws for faster closure
- Offset or laminated jaws (Correct answer)
- Rubber-padded jaws only on the moving arm
- Removal of the swivel anchor point
Correct answer: Offset or laminated jaws
Offset or laminated (double) jaws create a small gap when closed, reducing tissue trauma and bone injury to captured animals. Most state regulations mandate this modification to improve animal welfare outcomes for foothold traps.
Question 3: What is the recommended method for securing a live cage trap to prevent a captured coyote from dragging it away?
- Place a heavy rock on top of the trap
- Stake the trap to the ground through the floor frame using a ground anchor or rebar (Correct answer)
- Tie the trap to a nearby tree with rope
- Increase the trap weight by adding sandbags inside
Correct answer: Stake the trap to the ground through the floor frame using a ground anchor or rebar
Staking the trap frame to the ground with rebar or a dedicated ground anchor prevents a strong animal like a coyote from moving or flipping the trap, reducing injury risk and ensuring the animal is present at the next trap check.
Question 4: When trapping beaver at a dam site using a foothold trap, where is the most effective trap placement?
- On dry land 10 feet from the water's edge
- In a run or slide at the water's edge, 2–4 inches below the surface (Correct answer)
- Suspended above the water attached to a floating board
- At the top of the dam where beaver most frequently walk
Correct answer: In a run or slide at the water's edge, 2–4 inches below the surface
Beaver use consistent runs and slides along the bank at the water's edge. Setting a foothold trap 2–4 inches below the waterline in these travel paths intercepts the beaver naturally and the drowning setup ensures a quick, humane kill.
Question 5: Which trapping technique is most appropriate when targeting a single 'problem' individual skunk that is denning under a structure?
- Broadcast bait over the entire yard to attract the skunk to an open area
- Place a box-style live trap directly over or at the den entrance with the door facing out (Correct answer)
- Set multiple body-gripping traps around the perimeter of the structure
- Use a snare set at the highest point of the fence line near the structure
Correct answer: Place a box-style live trap directly over or at the den entrance with the door facing out
Placing a box trap at the den entrance intercepts the animal as it exits, targeting the specific individual responsible. This method avoids attracting non-target animals and reduces spray risk by keeping the skunk calm and contained in a dark enclosure.
Question 6: What is the primary purpose of using a 'stop-loss' device on a foothold trap?
- To prevent the trap from triggering on very light animals
- To prevent a captured animal from twisting off or pulling free of the trap (Correct answer)
- To slow the closing speed of the jaws for a more humane catch
- To anchor the bait securely inside the trap pan
Correct answer: To prevent a captured animal from twisting off or pulling free of the trap
A stop-loss device — typically a loop of wire or a secondary catch mechanism attached near the foot — prevents a captured animal from wrenching or chewing its limb free ('wring-off'), ensuring the animal is held securely until the operator checks the trap.
NWCO - Nuisance Wildlife Control Operator Nuisance Wildlife Control Operator Trapping and Capture Methods 1
When using a body-gripping (Conibear-style) trap in a culvert or drainpipe for muskrat, what is the correct jaw spread size to use?