#merganser__fish_duck__sawbill  large crested fish-eating diving duck having a slender hooked bill with serrated edges
  supertype:  sea_duck__seaduck  any of various large diving ducks found along the seacoast: eider; scoter; merganser
  member of:  genus_Mergus
  subtype:  goosander__Mergus_merganser  common merganser of Europe and North America
  subtype:  American_merganser__Mergus_merganser_americanus  common North American diving duck considered a variety of the European goosander
  subtype:  red-breasted_merganser__Mergus_serrator  widely distributed merganser of America and Europe
  subtype:  smew__Mergus_albellus  smallest merganser and most expert diver; found in northern Eurasia
  subtype:  hooded_merganser__hooded_sheldrake__Lophodytes_cucullatus  small North American duck with a high circular crest on the male's head

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