The black-capped bulbul (''Rubigula melanictera''), or black-headed yellow bulbul, is a member of the bulbul family of

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by th ...

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

s. It is

endemic Endemism is the state of a species being found 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 found else ...

to Sri Lanka.

Taxonomy

The black-capped bulbul was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of

Carl Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his Nobility#Ennoblement, ennoblement in 1761 as Carl von Linné#Blunt, Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalise ...

's '' Systema Naturae''. He placed it with the flycatchers in the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Muscicapa ''Muscicapa'' is a genus of passerine birds belonging to the Old World flycatcher family Muscicapidae, and therein to the typical flycatchers of subfamily Muscicapinae. They are widespread across Europe, Africa and Asia with most species occur ...

'' and coined the binomial name ''Muscicapa melanictera''. The specific epithet combines the

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...

''melas'' meaning "black" with ''ikteros'' meaning "jaundice-yellow". Gmelin based his description on the "yellow-breasted fly-catcher" from Sri Lanka that had been described and illustrated in 1776 by the English naturalist Peter Brown. The black-capped bulbul was formerly placed in the genus ''

Pycnonotus ''Pycnonotus'' is a genus of frugivorous passerine birds in the bulbul family Pycnonotidae. Taxonomy and systematics The genus ''Pycnonotus'' was introduced by the German zoologist Friedrich Boie in 1826 with the Cape bulbul as the type speci ...

''. A molecular phylogenetic study of the bulbul family published in 2017 found that ''Pycnonotus'' was

polyphyletic A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of conver ...

. In the revision to the generic classification the black-capped bulbul and four other species were moved from ''Pycnonotus'' to ''Rubigula''. Until 2008, the black-capped bulbul was considered as

conspecific Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organis ...

with the black-crested, ruby-throated, flame-throated and Bornean bulbuls. Some authorities have considered the ruby-throated, flame-throated and Bornean bulbuls to be subspecies of the black-capped bulbul.

Description

The black-capped bulbul is virtually crestless and has a yellow throat and brownish eyes. It is yellowish green above and yellow below. The tail is brownish and ends in a white tip. The male has red irides and the female has brown irides. Calls include a broad repertoire of sweet, mellow, minor-key piping whistles and sharper calls. Breeding records are from March to September.

Distribution and habitat

This is a bird of forest and dense scrub. It builds its nest in a bush; two to four eggs is a typical clutch. The black-capped bulbul feeds on fruit and insects. Found in forests, wooded areas and in gardens. Usually found in pairs.

In culture

In Sri Lanka, this bird is known as ''Hisa kalu Kondaya'' - හිස කලු කොන්ඩයා in

Sinhala language Sinhala ( ; , ''siṁhala'', ), sometimes called Sinhalese (), is an Indo-Aryan language primarily spoken by the Sinhalese people of Sri Lanka, who make up the largest ethnic group on the island, numbering about 16 million. Sinhala is also s ...

References

*Rasmussen, P.C., and J.C. Anderton. 2005. Birds of South Asia. The Ripley guide. Volume 2: attributes and status. Smithsonian Institution and Lynx Edicions, Washington D.C. and Barcelona. black-capped bulbul Endemic birds of Sri Lanka black-capped bulbul black-capped bulbul Taxobox binomials not recognized by IUCN {{pycnonotidae-stub