Northern bald ibises vanished from the wild in Europe 400 years ago. Austrian scientists attempted to re-introduce the birds to the wild, but the birds got spectacularly lost when they were released for migration, flying east in their search for south. In this episode of Constant Wonder, learn how Johannes Fritz was inspired by a Hollywood movie, leading him to teach the bald ibises to migrate safely—by guiding them for hundreds of miles in a microlight plane.