[Tweeters] Western Tanagers and Window strikes

Zora Monster zoramon at mac.com
Mon Aug 30 08:26:18 PDT 2021

Wild birds unlimited sells decals for windows. The instructions tell the user to apply to the outside of the window. The decals reflect UV light, if memory serves me correctly. That reflective surface is on the outside of the decal, so mounting them inside renders them useless.


Sent from my iPhone

> On Aug 30, 2021, at 8:14 AM, Vanderhoof, Jennifer <Jennifer.Vanderhoof at kingcounty.gov> wrote:



> Joan and others,


> Something I learned from the Portland Audubon window strike study that is not widely publicized, unfortunately, is that anti-bird strike window treatments are best applied on the outside of the window. I know Seattle Audubon sells stuff. But if you apply it on the inside of the window, the outside still has the shiny reflective surface that can reflect the trees and make it appear the birds are flying through forest when they hit your window.


> Jen


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