Purple swamphen

The purple swamphen has been split into the following species:


 * Western swamphen,	Porphyrio porphyrio, southwest Europe and northwest Africa
 * African swamphen, Porphyrio madagascariensis, sub-Saharan continental Africa and Madagascar
 * Grey-headed swamphen, Porphyrio poliocephalus, Middle East, through the Indian subcontinent to southern China and northern Thailand
 * Black-backed swamphen, Porphyrio indicus, southeast Asia to Sulawesi
 * Philippine swamphen, Porphyrio pulverulentus, Philippine islands
 * Australasian swamphen, Porphyrio melanotus, Australia, New Zealand, and Oceania