#subfamily_Merginae__Merginae  mergansers and closely related diving birds
  supertype:  bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  family_Anatidae
  member:  genus_Mergus__Mergus  mergansers
     member:  merganser__fish_duck__sawbill  large crested fish-eating diving duck having a slender hooked bill with serrated edges
     member:  goosander__Mergus_merganser  common merganser of Europe and North America
     member:  American_merganser__Mergus_merganser_americanus  common North American diving duck considered a variety of the European goosander
     member:  red-breasted_merganser__Mergus_serrator  widely distributed merganser of America and Europe
     member:  smew__Mergus_albellus  smallest merganser and most expert diver; found in northern Eurasia
  member:  genus_Lophodytes__Lophodytes  a genus of Merginae
     member:  hooded_merganser__hooded_sheldrake__Lophodytes_cucullatus  small North American duck with a high circular crest on the male's head

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