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Stiphrornis
Genus of birds From Wikipedia, the free encyclopedia
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Stiphrornis is a genus of passerine birds containing the forest robins. These are members of the Old World flycatcher family Muscicapidae and are found in the tropical rain-forests of West Africa. The genus formerly contained only a single species, the forest robin, but this species complex has been split so that the genus now contains three species.
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Taxonomy
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The genus Stiphrornis was introduced in 1855 by the German ornithologist Gustav Hartlaub with Stiphrornis erythrothorax Hartlaub (the orange-breasted forest robin) as the type species.[1][2] The genus name combines the Ancient Greek στιφρος/stiphros meaning "sturdy" or "stout" with ορνις/ornis meaning "bird".[3]
All taxa within the genus Stiphrornis were formerly considered to comprise a single species, the forest robin (S. erythrothorax), but in 1999, it was argued, based on the phylogenetic species concept, that all then-recognized taxa should be considered separate monotypic species.[4] The split was not followed in 2005 by the Handbook of the Birds of the World, where it was described as "perhaps premature".[5] An additional taxon, Stiphrornis pyrrholaemus (the olive-backed forest robin) was described as a new species in 2008,[6] but this taxon was treated as a subspecies of the forest robin in 2014 in the fourth edition of the Howard and Moore Complete Checklist of the Birds of the World.[7]
In 2017 Garry Voelker and collaborators described three additional taxa in the forest robin species complex and in the same article reported the results of a molecular phylogenetic study of the complex. The authors chose to treat all eight taxa as separate species,[8] but other ornithologists have not followed this lead and have instead divided the taxa into three species.[9][10][11]
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Species
The genus contains three species:[9]
- Orange-breasted forest robin, Stiphrornis erythrothorax
- Yellow-breasted forest robin, Stiphrornis xanthogaster
- Olive-backed forest robin, Stiphrornis pyrrholaemus
The cladogram below showing the relationships between the taxa is based on a molecular phylogenetic study by Garry Voelker and collaborators that was published in 2017.[8] The species are those recognised by Frank Gill, Pamela C. Rasmussen and David Donsker in the list of world birds maintained on behalf of the International Ornithological Committee (IOC).[9]
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References
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