Decals or mylar strips may help ... Ultimately, if you have a pecking bird at your window and you want to protect the bird and stop the noise, the solution is to find a way to obscure the window ...

Luckily, there are some things that you can do to prevent them. Birds fly ... chimes and window stickers." — Janet Lussier, Coventry, Vermont. "I place seasonal decorative decals on the outside ...