well i can tell you ya cant put them in an aquariam most likely anything unless they can breathe
Birds are covered in feathers
No, birds will just land on it.
You can keep birds from getting trapped in bird netting by removing the netting or using a color of netting that the birds can see.
Possibly you meant "How do the birds keep warm . . ."? As for why they keep themselves warm, it is to stay alive.
budgies
You can keep myna birds, parrots, canary, finches, caiques, and quite a few others.
birds
If they are wild birds, keep the dog food INSIDE. they should not bother the pool, though.
Check the local hardware store for a plastic owl. This will keep birds away. No poison too.
so that their baby's will develop properly , if your told its to keep them warm its wrong , ( birds sit on the eggs to keep them warm).
There are many ways to keep birds out of and off of a building, make sure outtake vents and chimneys are clean and clear of nests, install wire net on rafters so birds can not land to make a nest and there are roof spikes that work to keep birds away. The most humane way to get rid of birds is using a bird sound recording that can deter birds from hanging around for blocks.
All birds are warm blooded.