White-winged Duck, Asarcornis scutulata, Phu Khiao Wildlife Sanctuary, Thailand

wood duck northern shoveler whitewinged duck northern shoveler walking anatidae waterfowl waders anseriformes ducks bill skimming foraging migratory cairina shovelshapped bill phu khiao wildlife sanctuary winter migration thailand wetlands geese migration wetlands conservation wildlife freshwater marshes spatula clypeata endangered marshes webbedfeet swamplands marshland protected area thailand marshlands ponds shallow waters 4k nature nature asarcornis scutulata natural habitat wings foragers spatula estuaries lake dabbling lakes big bills 4k resolution asarcornis rainforest forest