Many homeowners and businesses turn to decals as a quick fix, but these often fall short. Generic products rarely meet the rigorous standards needed for real bird safety. They might claim to work, but if they don’t follow proper spacing guidelines or aren’t built to last, they won’t stop collisions. The scientifically recommended best practice for effective bird strike prevention is to place markers no more than 2 inches apart both horizontally and vertically, and to ensure full coverage. Decals that fail to follow this rule will be ineffective because birds will try to fly into any perceived gap and collide with the glass. Even if the correct spacing is followed, many decals fade, peel, or fall off over time. That means frequent replacement, making them both financially and environmentally impractical in the long run. Instead, we recommend using scientifically tested and approved solutions such as Feather Friendly visual markers or Bird Divert UV markers. These are built for dura...