adult-birds appearance aquatic-bird Australia-wide Australian Australian-wood-duck bird chenonetta-jubata common dark-brown duck family fauna feeding Females forage foragers foraging fowl gray graze grazing grey juveniles males maned-duck maned-goose mottled omnivore omnivorous perching-duck protection protective walk walker walking waterbird waterfowl widespread wild-duck beak black bill black crown bright eyed cinnamon cleaning colored coloring colors coloured colouring colours grooming head plumes Heron long white head plumes long yellow legs Nankeen night heron nocturnal nuptial plumes nycticorax caledonicus plumes preening rufous night heron secretive sharp sharp eyed shy stocky wildlife ahead anas-superciliosa black-eye-stripe brown-duck chicks direction ducklings grey-duck guidance guiding lake lead leading mother Pacific-black-duck reflecting reflections ripples rippling sunlight sunshine surface surfaces swimming water wetlands aggressive birds breeze chroicocephalus-novaehollandiae cool cooling edge edges edging feathered feathers flow flowing gray-and-white grey-and-white gulls huddled Larus-novaehollandiae Noisy path pavement paving prolific resting river river's-edge riverside ruffled ruffling scavengers screeching seabirds seagulls silver-gull standing waiting watching waterbirds wind art artistic artwork background canvas color colour female graphic illustration image light male nature paint painting pair render Rendered rendering texture textured textures bird-colonies breeding-place colonies conservation contrast contrasting crowded dark estuarine-wetlands estuary estuary-waters fence fenced foliage food-supply forested-wetland habitat low-lying melaleuca-rhaphiophylla migratory-birds nesting nesting-place nests nursery paperbark-trees paperbarks reserve rookeries rookery roosting roosting-place slow-flowing swamp-paperbark tidal trees vegetation waterbird- habitat