"Those Window Stickers to Prevent Bird Strikes? There’s a Catch."
For All Readers - AI Explainer
What was the primary focus of this research?
This research primarily aimed to investigate the effectiveness of two specific window films, BirdShades and Haverkamp, in mitigating avian mortality caused by window collisions in built environments.
What was the research methodology?
The study employed controlled aviary flight trials using zebra finches to assess the impact of window films on avoidance behaviors. It used a repeated-measures design to isolate the effects of these window treatments.
What were the key findings of the study?
The research found that when BirdShades was applied to the external surface of windows, it increased window avoidance by 47%, thus reducing the likelihood of bird collisions. There was marginal evidence that the Haverkamp film also increased avoidance by 39%. However, neither product was effective when applied to the internal surface of windows.
Why is the distinction between internal and external application important?
The key significance of this research lies in the recommendation that these protective window films should be applied to the exterior surfaces of windows. This distinction is critical because it determines the effectiveness of the products in reducing the risk of daytime window collisions and provides valuable guidance for conservation practices and building design.
Window films increase avoidance of collisions by birds but only when applied to external compared with internal surfaces of windows
Window collisions are one of the largest human-caused causes of avian mortality in built environments and, therefore, cause population declines that can be a significant conservation issue. Applications of visibly noticeable films, patterns, and decals on the external surfaces of windows have been associated with reductions in both window collisions and avian mortality.
“Bird-window collisions happen all over the world throughout the year, but the frequency and severity of collisions seem to be underestimated by the public, especially at residential settings.”
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