red-breasted merganser, Mergus serrator
['long-horned beetle, longicorn, longicorn beetle', 'king penguin, Aptenodytes patagonica', 'maillot', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'robin, American robin, Turdus migratorius', 'hammerhead, hammerhead shark', 'nail']