Cd on pole to ward off Hawk.

[GRNNYSGRL]

My cds are purple and turquoise. They’re not as reflective, but they actually will. He will actually see himself in the CD as he flies over.

 

[Loving my girls]

This is a good idea, very similar principle to the sky facing silver windmills I bought, except your idea is a lot cheaper and more environmentally friendly.
Well done