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Bird-Safe Building Design Toolkit

Hawk on ledge
Photo by Bob Sallinger

This toolkit is intended to provide up-to-date information & resources for practical, available, and cost-effective products and approaches to designing bird friendly buildings for new construction, redevelopment, or retrofits. We have included information on bird-friendly building development projects, guidelines and policies, LED lighting research, and architects with bird-friendly building experience, as well as links to research on the science of window collisions. For more information, please visit the Portland Audubon Bird-Safe Building Design webpage.

USGBC LEED Bird-Safe Design Pilot Credits

Products Tested for Material Threat Factor Rating for BCD Pilot Credit 55

Summary of Material Threat Factors
Tunnel testing methodology


Plexiglass with Black Filament Inlay


Silk Screen Fritted Glass 

Glass with Honeycomb IGU

Glass with Colored Ceramic Frit

UV Patterned Glass

Acid Etched Glass

Translucent channel glass with textured surface 

Textured Surface Glass Block 

Other Products (Not Tested for but May Qualify for Use in BCD Pilot Credit 55)


Ceramic Spandrel Glass

Imprinted Enamel Patterns

Laminates Fused to Glass

Photovoltaic Cells in Glass

Exterior Products

Exterior Grilles/louvres

Exterior Sun Shades

Roll-down Screens

Fixed Exterior Screens 

CollidEscape Adhesive Film

Temporary Retrofit Products


Lighting Resources



Bird-Safe Design Projects

Architects/Designers with Experience in Bird-Safe Design

Research on Avian Window Collisions



*The above list is intended as a clearinghouse of products and vendors to help provide guidance and solutions. Audubon Society of Portland does not recommend any one product over another, and cannot assume responsibility for the efficacy, application or performance of any listed products. 

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