Morepork they conceded the two were easily distinguishable in appearance, so maintained the three as subspecies; the Tasmanian boobook only diverged by 2.7% from the other two, while the powerful and rufous owls diverged by 4.4% from each other. Leading from this, the southern boobook was split from the Tasmanian boobook and morepork in volume 5 of the "", however several authors, including Les Christidis and Walter Boles, contested that the data had been misinterpreted from the Norman study, which had not sampled any Australian mainland boobooks at all. They treated the three taxa (southern, Tasmanian boobooks, and moreporks) as a
Australasian swamphen Australasian swamphen The Australasian swamphen ("Porphyrio melanotus") is a species of swamphen occurring in eastern Indonesia, the Moluccas, Aru and Kai Islands, as well as in Papua New Guinea and Australia. It is also found in New Zealand, where it is known as the pukeko, a term derived from the Māori language. The Australasian swamphen used to be considered a subspecies of the purple swamphen. The Australasian swamphen is found in mainland Australia, eastern Indonesia, the Moluccas, Aru and Kai Islands, and in Papua New Guinea. They are also found on New Zealand's main islands and in the Chatham and