red-breasted merganser, Mergus serrator
['gar, garfish, garpike, billfish, Lepisosteus osseus', 'hammerhead, hammerhead shark', 'lycaenid, lycaenid butterfly', 'bullfrog, Rana catesbeiana', 'breakwater, groin, groyne, mole, bulwark, seawall, jetty', 'projectile, missile', 'tick']