atmosphere atmospheric bog brackish color coloring colors colour colouring colours conservation contrast contrasting creek damp dark dismal foliage forested-wetland grass grasses low-lying marsh melaleuca-rhaphiophylla paperbark-trees paperbarks park peeling reserve slow-flowing stream swamp swamp-paperbark trees uncultivated vegetation water wetland wetlands wildlife abstract appearance Australian background bare bark branches brown contours cream edges gnarled layers lines Melaleuca mottled paperbark paperbark tree shadows shapes shedding soft sunlight surface texture textured textures tree tree trunk trunk uneven variations wallpaper wood bird-colonies birds breeding-place colonies crowded estuarine-wetlands estuary estuary-waters fence fenced food-supply habitat light migratory-birds nesting nesting-place nests nursery ripples rippling rookeries rookery roosting roosting-place tidal waterbird- habitat