#family_Anhimidae__Anhimidae  screamers
  supertype:  bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  order_Anseriformes
  member:  screamer  gooselike aquatic bird of South America having a harsh trumpeting call
  member:  genus_Anhima__Anhima  type genus of the Anhimidae; horned screamers
     member:  horned_screamer__Anhima_cornuta  screamer having a hornlike process projecting from the forehead
  member:  genus_Chauna__Chauna  crested screamers
     member:  crested_screamer__crestedscreamer  distinguished from the horned screamer by a feathery crest on the back of the head

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