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Prevent birds from colliding with your windows! Package includes four 4" butterfly shaped window decals. Each decal is coated with a special coating that reflects ultraviolet light. The ultraviolet light is invisible to humans but birds see a brilliant glow. Decals stick to outside of the window by static cling. They can be washed and reused, but usually need replacement after 9 to 12 months.
Notes from The Front Range Birding Company: Everyone always asks how many stickers they need. A display at the Cornell Lab of Ornithology's Sapsucker Woods recommends decals be placed no less than three inches apart horizontally, and five inches apart vertically. On large windows this may add up to a lot of decals, but it is worth it to keep birds from dying! Feeders should also be placed closer than three feet or farther than thirty feet from windows to reduce bird strikes. |
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