Rail-babbler | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Passeriformes |
Family: | Eupetidae Bonaparte, 1850 |
Genus: | Eupetes Temminck, 1831 |
Species: | E. macrocerus |
Binomial name | |
Eupetes macrocerus Temminck, 1831 | |
The rail-babbler or Malaysian rail-babbler (Eupetes macrocerus) is a brown and pied rail-like ground-living bird. It is the only species in the genus Eupetes and family Eupetidae. It lives on the floor of primary forests in the Malay Peninsula and Sumatra (the nominate subspecies macrocerus), as well as Borneo (ssp. borneensis). It is distantly related to African crow-like birds. Its population has greatly decreased because much of the lowland primary forest has been cut, and secondary forests usually have too dense a bottom vegetation or do not offer enough shade to be favourable for the species. However, it is locally still common in logged forest or on hill-forest on slopes, and probably not in immediate danger of extinction. The species is poorly known and rarely seen, in no small part due to its shyness.
Opinions on the correct taxonomic placement for the rail-babbler have differed. At one time, it was placed in the Old World babbler family, Timaliidae. Until recently, it had been regarded as being related to a group which included the quail-thrushes and whipbirds, and placed in the family Cinclosomatidae (previously in Orthonychidae when the members of the Cinclosomatidae were regarded as belonging with the logrunners). That relationship meant that the blue jewel-babbler of New Guinea was placed in the genus Eupetes until 1940, before being moved to Ptilorrhoa. [2]
However, Serle (1952) had pointed out a number of similarities between this species and the two species of rockfowl (Picathartes): similar proportions, the position of the nostrils, the shape of the forehead, and that of the tail. [3] In 1973 Charles Sibley dismissed the resemblance to Picathartes as "almost certainly the result of convergence", but did suggest it merited further examination. [4] Based on molecular studies, Jønsson et al. (2007) [5] argues that this is closer to the correct position for this species; the rail-babbler is most closely related to the rockjumpers, another early branch of the oscine passerines. As such, it is more correctly placed in a monotypic family, Eupetidae. [6]
It is a medium-sized, fairly slender songbird, about 28 to 30 cm (11–12 in) in length, and weighing 66 to 72 g (2.3–2.5 oz). [7] It has a long thin neck, long black bill, long legs and a long tail. The plumage is mainly brown with a more reddish forehead and crown, and the foreneck, chin and throat are a rich chestnut. [8] It has a long, black eyestripe extending from the bill to the side of the neck and a broad, white supercilium above it. There is a strip of bare, blue skin on the side of the neck which can be seen when the bird calls and displays, and probably has signalling significance in a dark species living in low light on the forest floor. [9] The two sexes are the same. Juvenile birds are similar to the adult but are overall duller in colour, have a whitish throat and dark grey-brown belly. [7] [10] [8] The subspecies borneensis is similar to the nominate race except that the head is a richer brown colour, the upperparts, including the tail, are much more red and the underparts more rufous. [8]
It has a long, monotonous whistling call. When agitated, it gives a series of frog-like notes. [7] [10]
It is found on the Malay Peninsula in southern Thailand and Peninsular Malaysia and in the Greater Sundas on Sumatra, Borneo and the Natuna Islands. [7] [10] It mainly occurs in tall, lowland forests and also in swamps and heath forest. It sometimes occurs in lower montane forests up to about 1,060 m (3,480 ft) in Peninsular Malaysia and 900 m (3,000 ft) in Sumatra and Borneo. It is believed to be declining due to loss and degradation of the forest and is classed as near threatened. [11]
It is a shy and secretive bird, which lives on the forest floor. It walks like a rail, jerking its head in the manner of a chicken, and it prefers to run rather than fly when disturbed. [7] [10] It feeds mainly on insects, including cicadas, and beetles; spiders and worms. When feeding it will dash after prey items. [7] [8]
Little is known about its breeding habits. The eggs are laid around January and February and fledglings have been seen in June. The nest has been described as being placed near the ground on a pile of dead leaves among the stalks of a plant around 30 cm (12 in) from the ground. It is made of plant fibres and is a cup shape. The clutch is two white unmarked eggs; nothing else is known. [8]
The Australasian wrens are a family, Maluridae, of small, insectivorous passerine birds endemic to Australia and New Guinea. While commonly known as wrens, they are unrelated to the true wrens. The family comprises 32 species in six genera.
The picathartes, rockfowl, or bald crows are a small genus of two passerine bird species forming the family Picathartidae found in the rain-forests of tropical west and central Africa. They have unfeathered heads, and feed on insects and invertebrates picked from damp rocky areas. Both species are totally non-migratory, being dependent on a specialised rocky jungle habitat. Both species are listed as vulnerable to extinction on the IUCN Red List.
The white-eyes are a family, Zosteropidae, of small passerine birds native to tropical, subtropical and temperate Sub-Saharan Africa, southern and eastern Asia, and Australasia. White-eyes inhabit most tropical islands in the Indian Ocean, the western Pacific Ocean, and the Gulf of Guinea. Discounting some widespread members of the genus Zosterops, most species are endemic to single islands or archipelagos. The silvereye, Zosterops lateralis, naturally colonised New Zealand, where it is known as the "wax-eye" or tauhou ("stranger"), from 1855. The silvereye has also been introduced to the Society Islands in French Polynesia, while the Japanese white-eye has been introduced to Hawaii.
Psophodidae is a family of passerine birds native to Australia and nearby areas. It has a complicated taxonomic history and different authors vary in which birds they include in the family. In the strictest sense, it includes only the five or six species of whipbirds and wedgebills, but some authors also include the quail-thrushes (Cinclosoma), eight species of ground-dwelling birds found in Australia and New Guinea, and the jewel-babblers (Ptilorrhoa), three or four species found in rainforest in New Guinea. Others place them in their own family, the Cinclosomatidae. The Malaysian rail-babbler was formerly sometimes placed in this family, which would then be called Eupetidae.
The eastern whipbird is an insectivorous passerine bird native to the east coast of Australia. Its whip-crack song is a familiar sound in forests of eastern Australia. Two subspecies are recognised. Heard much more often than seen, it is dark olive-green and black in colour with a distinctive white cheek patch and a crest. The male and female are similar in plumage.
The white-necked rockfowl is a medium-sized bird in the family Picathartidae, with a long neck and tail. Also known as the white-necked picathartes, this passerine is mainly found in rocky forested areas at higher altitudes in West Africa from Guinea to Ghana. Its distribution is patchy, with populations often being isolated from each other. The rockfowl typically chooses to live near streams and inselbergs. It has no recognized subspecies, though some believe that it forms a superspecies with the grey-necked rockfowl. The white-necked rockfowl has greyish-black upperparts and white underparts. Its unusually long, dark brown tail is used for balance, and its thighs are muscular. The head is nearly featherless, with the exposed skin being bright yellow except for two large, circular black patches located just behind the eyes. Though the bird is usually silent, some calls are known.
Whipbirds and wedgebills are collectively recognised in the genus Psophodes. Wedgebills are divided into the chirruping wedgebill and the chiming wedgebill. Whipbirds are divided into the eastern whipbird and the western whipbird. Subspecies of the western whipbird residing in Western Australia are known to be endangered. Psophodes is a genus of five species of songbirds endemic to Australia, known as whipbirds and wedgebills.
A quail-thrush is a bird of the genus Cinclosoma, which contains eight species. Quail-thrushes are in a different family from either quails or thrushes, but bear some superficial resemblance to them. The genus is found in Australia and New Guinea in a variety of habitats ranging from rainforest to deserts. The genus is closely related to the jewel-babblers of New Guinea. Seven species were recognised in 2007. A molecular study published in 2015 by Gaynor Dolman and Leo Joseph resulted in the splitting of the chestnut-backed quail-thrush into the chestnut quail-thrush of eastern Australia and the copperback quail-thrush in the west.
Amalocichla is a genus of bird in the family Petroicidae that are found in New Guinea.
The grey-headed robin is a species of bird in the family Petroicidae. It is found in northeastern Cape York Peninsula, Queensland, Australia.
The long-tailed sibia is a species of Leiothrichidae from Southeast Asia. The species was once placed in the large family Timaliidae, but that family is sometimes split with this species being placed with the laughingthrushes in the family Leiothrichidae. The species is sometimes treated as the only species in the genus Heterophasia, with the other species being placed in the genus Malacias.
The mourning babbler, previously the short-tailed babbler, is a species of bird in the ground babbler family Pellorneidae. It is found in the Malay Peninsula, Anambas Islands, Sumatra, Banyak Islands, Batu Islands, Riau Islands, Lingga Islands and the Natuna Islands. It was formerly considered to be conspecific with the glissando babbler and the leaflitter babbler.
The melampittas are a family, Melampittidae, of New Guinean birds containing two enigmatic species. The two species are found in two genera, the greater melampitta in the genus Megalampitta and the lesser melampitta in the genus Melampitta. They are little studied and before being established as a family in 2014 their taxonomic relationships with other birds were uncertain, being considered at one time related variously to the pittas, Old World babblers and birds-of-paradise.
Microeca is a genus of passerine birds in the Australasian robin family Petroicidae. The species in this genus are commonly known as flyrobins.
Pachycephalopsis is a genus of birds in the Australasian robin family Petroicidae that are found in New Guinea.
The black-throated robin is a species of passerine bird in the Australisian robin family Petroicidae. It is found on the island of New Guinea. Its natural habitat is subtropical or tropical moist montane forests at 1,150–2,750 metres above sea-level.
The jewel-babblers are the bird genus Ptilorrhoa in the family Cinclosomatidae. The genus contains four species that are endemic to New Guinea. The genus was once considered to contain the rail-babbler, but that species is now considered to belong to its own family. The genus is closely related to the better known quail-thrushes (Cinclosoma) of New Guinea and Australia. Together with a number of other genera they comprise the family Cinclosomatidae, although the validity of this family as a whole has been questioned.
The grey-throated babbler is a species of passerine bird in the Old World babbler family Timaliidae.
The white-bellied erpornis or simply erpornis is a species of bird. It is the only member of the genus Erpornis. This bird is found in Bangladesh, Bhutan, Brunei, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Singapore, Taiwan, Thailand, and Vietnam. Its natural habitat is subtropical or tropical moist montane forests.
Cinclosomatidae is a family of passerine birds native to Australia and New Guinea. It has a complicated taxonomic history and different authors vary in which birds they include in the family. It includes the quail-thrushes and jewel-babblers.