Canada warbler, credit: Robert McCaw

Canada warbler, credit: Robert McCaw

In one month last fall, I heard the heartbreaking thud of six birds hitting windows at my home. I care about birds, so I decided to do something.

The Fatal Light Awareness Program (FLAP) estimates that 100 million to 1 billion North American birds are killed annually in collisions with windows. Residential homes are the biggest hazard. They kill or injure more songbirds than all other buildings combined.

Read More