Porphyrio

Porphyrio
An Australasian swamphen from New Zealand (pūkeko, Porphyrio melanotus)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Gruiformes
Family:	Rallidae
Genus:	Porphyrio Brisson, 1760
Species
Porphyrio porphyrio Porphyrio melanotus Porphyrio indicus Porphyrio madagascariensis Porphyrio poliocephalus Porphyrio pulverulentus Porphyrio hochstetteri Porphyrio alleni Porphyrio martinicus Porphyrio flavirostris For extinct species, see article text.
Synonyms
Notornis Porphyrula

For extinct species, see article text.

Notornis
Porphyrula

Porphyrio is the swamphen or swamp hen genus of birds in the rail family. The genus name Porphyrio is the Latin for "swamphen".

It includes some smaller species which are usually called "purple gallinules", and which are sometimes separated as genus Porphyrula or united with the gallinules proper (or "moorhens") in Gallinula. The Porphyrio gallinules are distributed in the warmer regions of the world

Recent taxonomy changes in Porphyrula or Gallinula:

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Wikipedia