#genus_Sula__Sula  type genus of the Sulidae
  supertype:  bird_genus  a genus of birds
  member of:  family_Sulidae
  member:  solan_goose__solangoose__solan__solant_goose__Sula_bassana  very large white gannet with black wing tips
  member:  booby  small tropical gannet having a bright bill or bright feet or both

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