Purple Swamphen

Based on the genetic analysis of García-R. and Trewick (2015) and the earlier papers by Sangster (1998) and Sangster et al. (1999), the Purple Swamphen, Porphyrio porphyrio has been split into 5 species:


 * Western Swamphen, Porphyrio porphyrio
 * Black-backed Swamphen, Porphyrio indicus, including viridis
 * Grey-headed Swamphen, Porphyrio poliocephalus, including caspius and seistanicus
 * Philippine Swamphen, Porphyrio pulverulentus
 * Australasian Swamphen, Porphyrio melanotus, including the remaining subspecies