#genus_Aix__Aix  wood duck and mandarin duck
  supertype:  bird_genus  a genus of birds
  member of:  family_Anatidae
  member:  wood_duck__summer_duck__wood_widgeon__Aix_sponsa  showy North American duck that nests in hollow trees
  member:  mandarin_duck__Aix_galericulata  showy crested Asiatic duck; often domesticated

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