#purple_gallinule  gallinules with showy purplish plumage
  supertype:  gallinule__marsh_hen__marshhen__water_hen__waterhen__swamphen  any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens
  subtype:  European_gallinule__Porphyrio_porphyrio__porphyrioporphyrio  purple gallinule of southern Europe
  subtype:  American_gallinule__Porphyrula_martinica  American purple gallinule

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