The Sunda forktail (''Enicurus velatus'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

in the family

Muscicapidae The Old World flycatchers are a large family, the Muscicapidae, of small passerine birds restricted to the Old World (Europe, Africa and Asia), with the exception of several vagrants and two species, bluethroat (''Luscinia svecica'') and north ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

, where it is restricted to the islands of

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

and

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

. Its natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

is boulder strewn streams in tropical moist

montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures lapse rate, fall as elevation increases, causing the ecosystem to stratify. This stratification is ...

from 600–2000 m. More rarely the species occurs closer to sea level. The species is common in Sumatra, but is rarer in Java, where the

white-crowned forktail The white-crowned forktail (''Enicurus leschenaulti'') is a species of forktail in the family Muscicapidae. Formally described in 1818, it has five subspecies, each occupying a different geographic range. The largest of the forktails, ''Enicurus ...

is more common.

Taxonomy

The Sunda forktail was

formally described A species description is a formal scientific description of a newly encountered species, typically articulated through a scientific publication. Its purpose is to provide a clear description of a new species of organism and explain how it differ ...

and illustrated in 1822 by the Dutch zoologist

Coenraad Jacob Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch people, Dutch patrician, Zoology, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. Fro ...

under the

binomial name In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...

''Enicurus velatus''. The specific epithet ''velatus'' is

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

meaning "veiled". Two

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

are recognised: * ''E. v. sumatranus''

Robinson Robinson may refer to: People and names * Robinson (name) Fictional characters * Robinson Crusoe, the main character, and title of a novel by Daniel Defoe, published in 1719 Geography * Robinson projection, a map projection used since the 19 ...

& Kloss, 1923 – montane

* ''E. v. velatus''

Temminck Coenraad Jacob Temminck (; 31 March 1778 – 30 January 1858) was a Dutch patrician, zoologist and museum director. Biography Coenraad Jacob Temminck was born on 31 March 1778 in Amsterdam in the Dutch Republic. From his father, Jacob ...

, 1822 – montane

Description

The Sunda forktail is in length with a deeply forked tail. The male has a white breast, belly and rump, and black wings, and a dark grey back and head. There is a small white line between the eyes. The tail is black with white barring. The female is similar to the male but has a brown crown and nape. The

nominate race In biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. ...

is found on Java. The Sumatran subspecies, ''sumatranus'', differs from the nominate in having more rufous brown on the female. The call of this species is a hard shrill "chee" or "hie-tie-tie"

Behaviour

The Sunda forktail feeds on aquatic insects and their larvae, as well as snails. The

nest A nest is a structure built for certain animals to hold Egg (biology), eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of ...

of this species is a large cup of woven mosses, grasses leaves and wood fibres. Two whitish with red spotting eggs are a laid.

References

{{Taxonbar, from=Q73839 Sunda forktail Birds of Sumatra Birds of Java Endemic birds of Indonesia Sunda forktail Taxonomy articles created by Polbot