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Preventing Window Strikes

Prevention At Our Homes

There are many excellent products and homemade preventions that are available to us.  Just as critical is not what DOES NOT work.   A false sense of security while birds still collide and die, helps little.  


CUSRT was founded thanks to inspiration taken from the efforts of FLAP Canada and Safe Wings Ottawa. FLAP is the pioneer of window strike efforts and each organization has many combined years of experience, resulting in valuable tools and resources:


Assess your home


Additional information on home safety


Great options  


What does NOT work


In Calgary, we’re grateful for the support of the Wild Bird Store. Please contact them for a variety of effective bird strike prevention products.

Prevention At Work

We are able to provide insights as to where exactly the birds and bats were found, which areas on the building appear to be the greatest concern and times of day the findings were made.  This information will assist in determining potential mitigation strategies.


Mitigation strategies for birds are very clear, thanks to extensive research that has taken place.  For bats, this is not as clear yet, and should be reviewed carefully with those who are most knowledgeable with these species which are so critical to our ecosystems.  If you do not yet conduct your own surveys with the help of your security and cleaning staff, this would be highly recommended.  This is particularly true during migration although any time of year can bring window strike victims.   


Information to collect at your building should include:   side of the building, time of day, weather, time since last check, the species of the animal found and how far from the building it was found.


To request any information regarding our strike surveys, including data specific to your site, please contact us. We would be happy to provide any support in your efforts.  


Assessing your building:  


With or without the strike data, we strongly encourage all businesses to conduct a self-assessment of the glass and design of their building, and to take measures to deter strikes.  This includes an undertaking to reduce the lighting emitted from the building when not absolutely necessary.  This is due to the two may risks that cities and the skyscrapers present to wildlife:  light pollution affecting migration patterns and glass causing collisions after the birds are attracted there.  


Conduct a BirdSafe self-assessment


Standards for ensuring a safe environment:  Calgary’s Bird-Friendly Urban Design Guidelines


CSA Bird-Friendly Building Design Standard:  

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