anas-superciliosa appearance aquatic-bird art artistic artwork Australian background bird black-eye-stripe brown-duck canvas color colors colour colours common dark-brown duck fauna female fowl graphic grey-duck illustration image light male nature omnivore omnivorous Pacific-black-duck paint painting pair render Rendered rendering surface surfaces texture textured textures waterbird waterfowl widespread wild-duck 1960’s-70’s automated-machinery cards collections computer computer-punch-cards data-encoding data-input data-output data-processing-industry data-storage decks-of-cards digital-data early-digital-computers flexible-write-once-medium format holes mainframe-data-processing now-obsolete once-common paper paper-ephemera predefined-positions punch-card punched-card retro specialized stiff-paper storage-medium tabulating vintage alliaceae allium allium cepa brown onions bulbs circles common onions cultivars cut edible flavonoids flavor flavour food green growing growth half halved healthy layers leaves lines medicinal mild nutritious odor odour onion oval-shaped paper thin papery skin peel peeling pungent raw round salad vegetable shooting shoots skins soup vegetable stir fry vegetable tangy tasty thin vegetable white Australia-wide Australian-parrots Australian-pink-cockatoos birds cockatoo electricity eolophus-roseicapillus familiar friendly galah galahs grass-feeder gray grey iconic intelligent like-musical-scale observant observing parrot perch perched perching pink-and-grey power-lines resting rose-breasted-cockatoo rose-pink roseate-cockatoo rosies score seed-eater social watchful watching wild willock-cockatoos wires