We know a lot of factual information about the starling—its size and voice, where it lives, how it breeds and migrates—but what remains a mystery is how it flies in murmurations, or flocks, without colliding. This short film by Jan van IJken was shot in the Netherlands, and it captures the birds gathering at dusk, just about to start their "performance." Listen well and you'll be able to hear how this beautiful phenomenon got its name.A film by Jan van IJken / www.janvanijken.com Watch the full-length video here The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the web and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.See more from National Geographic's Short Film Showcase at documentary.com #shortfilmshowcase @natgeo