Nature's head-bangers
Have a problem with woodpeckers banging on your walls? This article has some tips for discouraging house-hammering. These amazing creatures are critical for protecting trees from insects and also eat yellowjackets. https://www.allaboutbirds.org/news/why-do-woodpeckers-like-to-hammer-on-houses-and-what-can-i-do-about-it/