Learn how birds around the world thrive in challenging environments like the deserts of North America, the jungles of South America, the treacherous Himalayas, and more, in this six-part BBC documentary. Filled with breathtaking aerial footage taken by gliders, drones, and even camera-carrying birds, the series affords the viewer spectacular insights as to the travels of cranes, snow geese, vultures, and other high-flying creatures. Narrated by David Tennant. 6 hrs. on two discs. Widescreen (Enhanced); Soundtrack: English.