Apply markings in a dense pattern, leaving no gaps more than 5 cm by 5 cm (2 inches by 2 inches). If gaps are any larger, birds may try to fly through them and still hit the window.
Bird-Safe Window Marker Guidelines
Bird-Safe Window Options
There are a variety of attractive and affordable options to stop birds from hitting windows at your home or cottage, without affecting your view.
Here are just a few.