1. your window is open 2. your window is so clean that the bird didn't see it, and ran into it. 3. you found a stupid bird that thinks it belongs in your house. 4.wow this happened to my dad the...
If a number of birds fly at a store window, the owner should take measures to protect both the window and the birds. A silhouette of a hawk or other bird of prey could be attached to the window to...
Because they can't preceive the surface of a window when it is not sufficently reflective. Also the window can reflect sky, which can mislead the bird.