NWCO Cheat Sheet 2026

The 30 highest-yield NWCO facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which step is FIRST in the IPM hierarchy for nuisance wildlife management? → Prevention and habitat modification to make the site less attractive to wildlife
2. Which bait station design is required by EPA for outdoor use in residential areas? → Tamper-resistant stations that resist opening by children and dogs
3. Which of the following is the most common route of Leptospirosis transmission to NWCO operators working with raccoons or rats? → Contact of mucous membranes or broken skin with urine-contaminated water or soil
4. According to regulations, traps used by Nuisance Wildlife Control Operators should be: → Tagged, or labeled with the permit number, or trapper I.D. number.
5. Which bat species is MOST commonly found roosting in buildings in the eastern United States? → Big brown bat
6. Which non-chemical method is generally preferred over repellents for long-term nuisance wildlife resolution? → Physical exclusion and habitat modification
7. Which statement BEST describes the NWCO's duty when a client requests an illegal method of wildlife removal? → Decline the request and explain which legal alternatives are available
8. Exposure to rabies should be suspected in which scenario? → A bat or other suspect animal is found in a house where the possibility of contact exists.
9. What should a NWCO provide to a client BEFORE beginning any wildlife control work? → A written contract or service agreement
10. What federal permit is needed to capture a red-tailed hawk attacking backyard chickens? → A Special Purpose Permit (raptor depredation) from USFWS
11. What is the purpose of a tracking powder in chemical wildlife control? → To deliver a toxicant to animals that self-groom or transfer powder through contact
12. What ethical obligation do NWCO operators have regarding client education? → Inform clients about humane options, legal requirements, and realistic expectations
13. Why must ALL potential entry points be sealed BEFORE excluding the primary entry point? → To prevent the excluded animal from re-entering through an alternate opening
14. Which snake characteristic indicates it is a venomous pit viper in North America? → Triangular-shaped head with visible heat-sensing pits between the eye and nostril
15. Which feature distinguishes Mexican free-tailed bats from big brown and little brown bats? → Tail extending visibly beyond the tail membrane
16. During which months should operators avoid raccoon exclusion from attics in the eastern US? → March through June
17. What distinctive damage pattern differentiates deer browsing from domestic animal grazing? → Deer tear and shred branch ends because they lack upper incisors
18. When setting a price for wildlife control services, which factor is LEAST relevant? → The color of the homeowner's house
19. Large areas of sod rolled back overnight most likely indicates foraging by which animal? → Raccoons or skunks digging for grubs
20. What vaccination is recommended for NWCO operators who regularly handle wildlife? → Pre-exposure rabies vaccination series (3 doses) with periodic titer checks
21. What is the correct procedure for decontaminating equipment after removing an animal confirmed to have distemper? → Clean with 10% bleach solution and allow 10 minutes of contact time
22. What is a barbiturate commonly used for in wildlife control? → To sedate and euthanize animals by affecting the central nervous system.
23. What PPE configuration is required for cleaning large bat guano accumulations? → Full-face P100 respirator, Tyvek suit, rubber boots, and chemical-resistant gloves
24. What information should ALWAYS appear on a NWCO's invoice to clients? → License number, services performed, materials used, and total cost
25. What is a body-gripping trap used for in wildlife control? → To capture animals by snapping their necks.
26. What damage pattern on fascia board most likely indicates squirrel gnawing for entry? → Clean-edged, circular holes approximately 2-3 inches in diameter with tooth marks
27. Why should operators NEVER relocate a raccoon that appears healthy in a state with raccoon rabies variant? → Relocation may spread raccoon rabies to new areas
28. When assessing a site for potential wildlife entry points, a NWCO should inspect which areas MOST carefully? → Roof edges, vents, soffits, fascia boards, and foundation gaps
29. Which chimney cap mesh size is considered the industry standard for excluding European starlings while still allowing adequate draft? → 1/2-inch hardware cloth
30. Which sign BEST indicates flying squirrel infestation rather than gray squirrel in an attic? → Nighttime scratching and running sounds