animal omnivore pet pond slider Red-eared slider semi-aquatic turtle Trachemys scripta elegans beak bird black bill black crown bright eyed cinnamon cleaning colored coloring colors coloured colouring colours fauna head plumes Heron long white head plumes long yellow legs Nankeen night heron nocturnal nuptial plumes nycticorax caledonicus omnivorous perched plumes rufous night heron secretive sharp sharp eyed shy stocky waterbird widespread wildlife adult-birds appearance aquatic-bird Australia-wide Australian Australian-wood-duck chenonetta-jubata common dark-brown duck family feeding Females forage foragers foraging fowl gray graze grazing grey juveniles males maned-duck maned-goose mottled perching-duck protection protective walk walker walking waterfowl wild-duck grooming preening 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