To deter birds from building nests on a balcony, try installing physical deterrents like bird spikes or netting. You can also hang shiny objects or use scare tactics like predator decoys or ultrasonic devices. Ensure that the balcony is kept clean of food and nesting materials to discourage birds from staying.
rat poisen or bb gun or if you want to keep them alive smoke them out
Take away any food
Check the local hardware store for a plastic owl. This will keep birds away. No poison too.
If they are wild birds, keep the dog food INSIDE. they should not bother the pool, though.
12 gauge shotgun? Or less lethally, stay away from them? lol
to use for a home for the eggs and to keep away from predators
Farmers and any home gardener who has problems with birds may use scarecrows to keep birds away from the crops.
They do it to keep warm while migrating or coming back from migration; also to stay away from predators.
Most eagles do, there may be some excuses for trained eagles.
Tinting the glass won't help, but you can get hawk silouette decals to stick on, and that will usually keep birds away.
Fishing line can be used as a deterrent to keep birds away from certain areas by creating a barrier they find difficult to navigate. However, it is not always effective as birds can sometimes get entangled in the fishing line. It's important to use it carefully and consider other bird control methods for a long-term solution.