How Long Before Bird Poop Ruins A Car Help Advice About Pidgins! In My Area!!!?

Help advice about pidgins! In my area!!!? - how long before bird poop ruins a car

There are about 10 years ago, was the owner of a resident 4 pidge was before he let her go, now we have an enormous burden pidge in this city and the neighboring city that has ruined our air conditioning vents that we don 'have no heating or in the air.
We have electric heat and window air-conditioning.

Its very bad, I think we have an epidemic of viruses that pets are here because we are of them shit everywhere I mean EVERYWHERE. They are nesting and drive me nuts! Now they have their mouths are closed, like going ,!!!!!! Crazy Please help, what can we do? How can these birds to stay at home, at least in my garden? I have 2 dogs and there the shit is just incredible!