red-breasted merganser, Mergus serrator
['king penguin, Aptenodytes patagonica', 'common newt, Triturus vulgaris', 'hippopotamus, hippo, river horse, Hippopotamus amphibius', "plunger, plumber's helper", 'Norwegian elkhound, elkhound', 'ostrich, Struthio camelus', 'tiger beetle']