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The closely related common gallinule G. galeata of the New World, and the tristan moorhen G. nesiotis and gough moorhen G. comeri of the Tristan da Cunha archipelago, formerly often regarded as conspecific, are now treated as a separate species by all the ornithological authorities, [6] following the discovery of significant genetic differences ...
They are often referred to as (black) gallinules. Recently, one of the species of Gallinula was found to have enough differences to form a new genus Paragallinula with the only species being the lesser moorhen ( Paragallinula angulata ).
The common gallinule (Gallinula galeata) is a bird in the family Rallidae. It was split from the common moorhen by the American Ornithologists' Union in July 2011. [ 3 ] It lives around well-vegetated marshes, ponds, canals, and other wetlands in the Americas.
The Hawaiian gallinule (Gallinula galeata sandvicensis) is an endangered chicken-sized water bird in the rail family. It is also variously known as the Hawaiian common gallinule , Hawaiian moorhen , Hawaiian common moorhen , mudhen , or ‘alae ‘ula (“burnt forehead” - for its prominent red frontal shield) in Hawaiian , [ 2 ] and ...
It includes some smaller species of gallinules 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. The group probably originated in Africa in the Middle Miocene, before spreading across the world in waves ...
The dusky moorhen (Gallinula tenebrosa) is a bird species in the rail family and is one of the eight extant species in the moorhen genus. It occurs in India, Australia, New Guinea, Borneo and Indonesia. It is often confused with the purple swamphen and the Eurasian coot due to similar appearance and overlapping distributions.
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The lesser moorhen was formerly placed in the genus Gallinula, but a 2015 molecular genetic study demonstrated that Gallinula was composed of four distinct lineages. The genus was split into four genera: Gallinula (sensu stricto), Paragallinula, Porphyriops, and Tribonyx.