bird-colonies birds breeding-place colonies color colors colour colours conservation contrast contrasting crowded dark estuarine-wetlands estuary estuary-waters fence fenced foliage food-supply forested-wetland habitat light low-lying melaleuca-rhaphiophylla migratory-birds nesting nesting-place nests nursery paperbark-trees paperbarks reserve ripples rippling rookeries rookery roosting roosting-place slow-flowing swamp-paperbark tidal trees vegetation water waterbird- habitat wetlands wildlife abstract angles artistic backdrop background black blended bright colored coloured contour contoured contours corners decorative design details fine fossil geometric geometrical green interconnected interlaced intermeshed interwoven linear lines patterns perspectives pointed points shape shaped shapes style texture textures vibrant wallpaper beak bird chicken cockerel feathers fowl Rooster South Africa stripes white zebra antilope buck grass graze horns impala male ram rooibok