Testing Raptor Decals: Scientific Evidence on Bird–Window Collisions
This YouTube video was produced by The Cornell Lab of Ornithology.
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Many people believe that a single raptor silhouette decal can keep birds from flying into glass. But science tells a different story.
In this video, watch a controlled tunnel test where live birds are given the choice between clear glass and glass marked with a single black decal. The result? Birds fly straight toward both, proving that a single decal does not deter collisions. (Don’t worry: all birds are safely caught in a net at the end of the tunnel.)
To truly
