With narration from Paul McGann, this ground-breaking film sets out to solve one of nature's mysterious phenomena: the Bewick swan's dramatic decline. A pioneering group of scientists and conservationists sets out to discover why we have lost nearly half the Bewick population in the last twenty years. Every year, these majestic birds make one of the world's toughest migrations, across perilous land, sea and skies. Somewhere between the harsh Tundra... see more