Porphyrio is the swamphen or swamp hen bird genus in the rail family.
Gruiformes, Gruidae: from the Latin word grus meaning "crane".
Rallidae: from rallus new Latin for rail, an aquatic bird.
The genus name Porphyrio is the Latin name for "swamphen", meaning "purple".
1/ Western swamphen (Xít, Porphyrio porphyrio)
2/ Grey-headed swamphen (Porphyrio poliocephalus)
or Gray-headed swamp hen