According to published estimates, between 98 million to one billion birds are killed in glass window collisions each year. Windows often show a reflection of vegetation or sky, and birds flying towards the windows do not realize there is a glass barrier there. Sometimes they can avoid the window at the last moment, but often they strike the window at a speed fast enough to cause their death or serious injury.
You can help reduce the possibility of bird–window strikes. To help prevent birds from striking glass:
Check out the All About Birds page for more information about why birds hit windows and what you can do to help.
Photo: CC Stuart Anthony