1. They
deface rooftops, floors, walls, vehicles and equipment.
They halt operations and make repairs necessary
by entangling themselves in machinery or downing
power lines.
2. They
spoil inventory by eating spillage, contaminating
pallets of food, drugs or chemicals, or by bombarding
aircraft and other durable goods with uric acidic
excrement.
3. Birds
are destructive to property, equipment and merchandise,
any of which can lead to large financial losses.
4. Droppings
cost money. Cleaning crews, related equipment, and
time spent can generate large financial outlays
unrecoverable by revenues.
5. They
nibble at, or even tear out insulation. The corrosive
effect of droppings causes irreversible damage.
6. Bird
Droppings are unhygienic, and render walking surfaces
underfoot slippery and dangerous.
7. Birds
and their droppings create unsanitary conditions
and can cause over sixty transmissible (some even
potentially fatal) diseases such as Histoplasmosis,
Cryptococcosis, Psittacosis, etc.