Tundra swans in flight, Pungo Unit, Pocosin Lakes NWR, NC 02/11/2010 / Jerry D Greer Tundra swans in flight, Pungo Unit Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)MoreClick to share on Reddit (Opens in new window)Like this:Like Loading...