black swan, Cygnus atratus
['hog, pig, grunter, squealer, Sus scrofa', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'caldron, cauldron', 'stinkhorn, carrion fungus', 'Great Dane', 'bullfrog, Rana catesbeiana', 'flat-coated retriever']