Originally Posted by FormerBeerLover

Suze, the birds flying into the glass will happen from time to time. Usually they just are a bit stunned. The window magnets Kris mentioned should help.

Me and my brother spotted a beautiful Oriole in his backyard on Saturday. They are VERY shy birds and the about the only way to attract them is with jelly and/or oranges. I was going to snap a photo, but he flew away too quickly.
Here's a YouTube vid that will give you an idea of what we saw: