Meet the enchanting Tundra Swan! Its majestic presence and beauty are rivaled only by the endurance it shows in migrating thousands of miles to the remote northern reaches of Alaska, its breeding and nesting grounds. This footage of nesting Tundra Swans comes from a Cornell Lab expedition deep into America's Arctic. The Department of the Interior recently introduced new regulations that designate a staggering 13 million acres within the National Petroleum Reserve in Alaska for protection. This m