Animal Features, bird, birds, Canada, Cygnus buccinator, estuary, Feather Feathers Plumage, Flock Group, Great Lakes, Great Lakes region, horizontal, Hurst, Kitchin, Lake Erie, Lake Lakes, leesonphoto, marsh, marshes, Michigan, Mouth Mouths, North America, Ohio, Ontario, Ottawa National Wildlife Refuge, Pelecanus erythrorhynchos, Pond Ponds, River Rivers, swan, swans, Thomas Kitchin & Victoria Hurst, threatened, Trumpeter Swan, United States U.S.A., USA, Water, water bird, water birds, waterbird, waterbirds, wetland, Wetland Wetlands Marsh Marshes, wetlands, white, White Pelicans, wildlilfe refuge, wildllife, Wing, Wings