Forktail
Genus of birds (Enicurus)
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Through Insectivore, Asia and Binomial nomenclature
These are southeast Asian forest species principally associated with mountain forests and streams. Most nest in rock crevices, laying 2–4 eggs.
Taxonomy
The genus Enicurus was introduced in 1822 by the Dutch zoologist Coenraad Jacob Temminck to accommodate Enicurus coronatus, the white-crowned forktail, which is therefore the type species. Temminck's epithet is considered to be a junior synonym as four years earlier in 1818 Louis Vieillot had coined the binomial name Turdus leschenaulti for the same species. The genus name combines the Ancient Greek henikos meaning "singular" with -ouros meaning "-tailed".
The following cladogram showing the relationships between the species is based on a molecular phylogenetic study of the Old World flycatchers published in 2023. The Bornean forktail (Enicurus borneensis) was not included.
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Species
The genus contains the following eight species:
- Little forktail, Enicurus scouleri – mountains of eastern Uzbekistan and northeastern Afghanistan through the Himalayas eastward to southeastern China and Taiwan, and southward to northern Indochina
- White-crowned forktail, Enicurus leschenaulti – northeast India through southeast Asia to Borneo, Java and Bali
- Bornean forktail, Enicurus borneensis – mountains of northern Borneo
- Spotted forktail, Enicurus maculatus – east Afghanistan to central-south Vietnam
- Sunda forktail, Enicurus velatus – montane Sumatra and Java
- Chestnut-naped forktail, Enicurus ruficapillus – southern Myanmar to southern Thailand, Malaya, Sumatra, and Borneo
- Black-backed forktail, Enicurus immaculatus – rocky streams of northern India to Myanmar, southwestern China, and northwestern Thailand
- Slaty-backed forktail, Enicurus schistaceus – rocky mountain streams of northern India to southern China and southeastern Asia