- Nuisance Wildlife Control Operator Wildlife Damage Identification Flashcards

Fine sawdust-like frass piles beneath a round hole in a wooden beam indicate which pest?

Answer: Powderpost beetles or wood-boring beetles

Wood-boring beetles create small, round exit holes with fine powdery frass beneath.

What distinctive damage pattern differentiates deer browsing from domestic animal grazing?

Answer: Deer tear and shred branch ends because they lack upper incisors

Deer lack upper incisors and must tear rather than cut, leaving ragged, shredded branch ends.

Small elongated droppings about 1/4 inch long, pointed at both ends, scattered along garage shelves indicate which pest?

Answer: House mouse

House mouse droppings are 1/4 inch, elongated, dark, and pointed at both ends, commonly found along travel routes.

Parallel claw marks approximately 2-3 inches apart scratched vertically on a utility pole indicate which animal?

Answer: Raccoon

Raccoon claw marks are 2-3 inches between marks, reflecting their paw width, as parallel vertical scratches.

Multiple dead plants with roots entirely consumed below ground level indicate which pest?

Answer: Voles (meadow mice)

Voles create underground runways and feed on plant roots, bulbs, and bark at or below ground level.

A strong ammonia odor in an attic with brown ceiling staining below most likely indicates what?

Answer: A large bat colony with accumulated guano and urine

Large bat colonies produce extensive guano and urine that generates ammonia odor, with urine seeping through to stain ceilings.