5/5 star Amazon Review
Millions of birds die or are injured every year when they hit windows. I had dozens of birds fly into the windows at my house. I taped a strip of this ribbon to the top of each window so it hangs down. It turns and twists in the breeze and alerts birds that the window is not an open space that they can fly through. It seems to have worked very well so far.
By K. Rakovna