Related to Krista’s note today about bird strike deterrence, this recent open access paper provides some important information on implementing window treatments.

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Window films increase avoidance of collisions by birds but only when applied to external compared with internal surfaces of windows

“We found consistent evidence that, when applied to the external surface of windows, the BirdShades product resulted in reduced likelihood of collision and there was marginal evidence of this effect with the Haverkamp film. Specifically, in our collision avoidance trials, BirdShades increased window avoidance by 47% and the Haverkamp increased avoidance by 39%. However, neither product was effective when the films were applied to the internal surface of windows. Hence, it is imperative that installers apply these products to exterior surfaces of windows to render their protective benefits and reduce the risk of daytime window collision.”

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Pamela Zevit RPBio | Biodiversity Conservation Planner

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T 604.590.7254

I am privileged to work on the shared traditional territories (tém:éxw) of the s?myám? (Semiahmoo), sq??c?iy?a?? (Katzie), K?ik?????m (Kwikwetlem), q??ɑ:n????n? (Kwantlen), Qiqéyt (Qayqayt), Sc??waθ?n (Tsawwassen) and x?m?θk??y??m (Musqueam).

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