#family_Anatidae__Anatidae  swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
  supertype:  #bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member:  #duck  #genus_Anas  #genus_Tadorna  #genus_Oxyura  #genus_Bucephala  #genus_Aythya  #genus_Aix  #genus_Cairina  #genus_Somateria  #genus_Melanitta  #subfamily_Merginae  #goose  #genus_Anser  #genus_Branta  #subfamily_Anserinae  #genus_Coscoroba  #swan  #genus_Cygnus
  member of:  #order_Anseriformes__Anseriformes  ducks; geese; swans; screamers
     member of:  #class_Aves__Aves  birds
        member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
           member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
              member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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