Fortunately, there’s no shortage of off-the-shelf solutions, from window decals to sparkly decoys. And demand is growing fast: a Fortune Business report valued bird deterrents as a $315.2 ...

Avoid any gel-like or sticky deterrents, because they can impair the bird’s flight and ability to stay warm, according to U.S. Fish and Wildlife. Remember: Woodpeckers are a protected species.