Swamp marshland with birds flying over the wetlands

swamp marshland birds flying water wetland wildlife flora fauna aquatic ecosystem biodiversity herons egrets ducks geese swans cranes waders flocks migration serene tranquil scenic wet reeds mangroves mudflats tidal saline brackish habitat avian ospreys terns gulls flamingos waterbirds lagoon fen bog wildlife sanctuary natural environment breeze peaceful aquatic plants waterfowl