The Toronto Best Practice for Bird-Friendly building design [0] states that “due to the lack of scientific evidence supporting its effectiveness, angled glass i

The Toronto Best Practice for Bird-Friendly building design [0] states that “due to the lack of scientific evidence supporting its effectiveness, angled glass is no longer an acceptable way of compliance [for bird safety]”. [0] https://www.toronto.ca/wp-content/uploads/2017/08/8d1c-Bird-Friendly-Best-Practices-Glass.pdf https://www.toronto.ca/wp-content/uploads/2017/08/8d1c-Bird-... Page 30.