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Organism
  Animalia
      Chordata
        Vertebrata
          Amniota
            Aves
                    Passeriformes
                            Hirundinidae
                                     Atticora
                                             Atticora fasciata
                                             Atticora tibialis
                                     Hirundo
                                             Hirundo rustica
                                     Notiochelidon
                                           [Pygochelidon]
                                             Notiochelidon cyanoleuca
                                                   [Pygochelidon cyanoleuca]
                                     Orochelidon
                                             Orochelidon flavipes
                                             Orochelidon murina
                                     Petrochelidon
                                             Petrochelidon rufocollaris
                                     Progne
                                             Progne chalybea
                                             Progne tapera
                                     Pygochelidon
                                             Pygochelidon cyanoleuca
                                     Stelgidopteryx
                                             Stelgidopteryx ruficollis
                                     Tachycineta
                                             Tachycineta albiventer
                                             Tachycineta stolzmanni