NOT KNOWN FACTS ABOUT MEDIUM SULPHUR CRESTED COCKATOO

The SC Cockatoos have eaten our ceder Home windows and we can easily’t quit them attacking the rest of the home. Can any individual aid?(I've walked beneath a pair of nesting cockatoos plus the noise was deafening. ). These two were extremely quiet, on very low branches and very unafraid of me as I walked up slowly and thoroughly to determine wha