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

bulbul The bulbuls are members of a family, Pycnonotidae, of medium-sized passerine songbirds, which also includes greenbuls, brownbuls, leafloves, and bristlebills. The family is distributed across most of Africa and into the Middle East, tropic ...

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 generally have an anisodactyl arrangement of their ...

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 ...

s. 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 ...

to Sri Lanka.

Taxonomy

The black-capped bulbul 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 ...

in 1789 by the German naturalist

Johann Friedrich Gmelin Johann Friedrich Gmelin (8 August 1748 – 1 November 1804) was a German natural history, naturalist, chemist, botanist, entomologist, herpetologist, and malacologist. Education Johann Friedrich Gmelin was born as the eldest son of Philipp F ...

in his revised and expanded edition of

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

's ''

Systema Naturae ' (originally in Latin written ' with the Orthographic ligature, ligature æ) is one of the major works of the Sweden, Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy. Although the syste ...

''. He placed it with the flycatchers in the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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 occurri ...

'' and coined 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 ...

''Muscicapa melanictera''. The specific epithet combines the

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

''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 specie ...

''. A

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study of the bulbul family published in 2017 found that ''Pycnonotus'' was

polyphyletic A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as Homoplasy, homoplasies ...

. 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 organism ...

with the black-crested, ruby-throated, flame-throated and

Bornean bulbul The Bornean bulbul (''Rubigula montis'') is a member of the bulbul family of passerine birds. It is endemic to the island of Borneo. Taxonomy and systematics The Bornean bulbul was previously placed in genus ''Pycnonotus''. This genus was foun ...

s. 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 ( ; Sinhala: , , ), 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. It is also the first ...

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. Rubigula Endemic birds of Sri Lanka Birds described in 1789 Taxa named by Johann Friedrich Gmelin Taxobox binomials not recognized by IUCN {{pycnonotidae-stub