- Nuisance Wildlife Control Operator Bat and Bird Management Flashcards

What is the minimum recommended exclusion period after installing one-way bat valves before permanently sealing entry points?

Answer: 7-14 days

A 7-14 day exclusion period ensures all bats, including those temporarily away from the roost, have exited through the one-way devices.

Which federal agency issues depredation permits for controlling protected migratory birds?

Answer: US Fish and Wildlife Service

The US Fish and Wildlife Service administers the MBTA and issues depredation permits for lethal control of protected bird species.

What is the most effective long-term solution for preventing cliff swallows from building mud nests under eaves?

Answer: Installing physical bird netting before nesting season

Bird netting installed before nesting season creates a permanent barrier preventing cliff swallows from accessing the nesting surface.

Which disease from bird droppings poses the greatest respiratory health risk when cleaning a large pigeon roost?

Answer: Histoplasmosis

Histoplasmosis, caused by Histoplasma capsulatum that grows in bird droppings, poses the greatest respiratory risk when dried droppings are disturbed.

When conducting a bat inspection, what time provides the BEST opportunity to count bats and locate exit points?

Answer: Dusk (30 minutes before to 60 minutes after sunset)

Dusk emergence counts allow operators to count exiting bats and identify primary exit points as bats leave their roost.

What is the primary reason woodpeckers drum on metal surfaces such as gutters and chimney caps?

Answer: Territorial signaling and mate attraction through amplified sound

Woodpeckers drum on resonant metal surfaces to amplify their territorial and mate-attraction signals.