black swan, Cygnus atratus
['hog, pig, grunter, squealer, Sus scrofa', 'paddle, boat paddle', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'submarine, pigboat, sub, U-boat', 'tench, Tinca tinca', 'puck, hockey puck', 'dugong, Dugong dugon']