Prevent birds from hitting windows with these products -- BirdWatching
S.F. considers rules for bird-safe architecture
Amazon.com: Bird Blinder Blackbird Window Stickers - 24 Pack Anti Strike Window Decals to Alert and Prevent Bird Strikes - UV Vinyl Decal Sticker for Glass Windows - Bird Collision Prevention -
Cockatoo Bird Car or Truck Window Decal Sticker - Rad Dezigns
Amazon.com: 20 Pieces Large Size Anti-Collision Window Clings Bird Shape Window Sticker Alert Bird Window Decals for Preventing People and Bird Strikes on Window Glass Party Accessory : Home & Kitchen
OT - Window stickers to save birds colliding w/ windows: Nikon Coolpix Talk Forum: Digital Photography Review