The Auckland Islands Merganser (Mergus australis) also commonly known as Auckland Island Merganser or New Zealand Merganser, is an extinct species of bird (Aves) in the family Anatidae (Ducks, Geese, and Waterfowl) and order Anseriformes (Ducks).
Mergus australis
Mergus octosetaceus
Mergus merganser
Mergus serrator
Mergus squamatus