The black-backed bush tanager (''Urothraupis stolzmanni''), also known as the black-backed bush-finch, 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

Thraupidae The tanagers (singular ) comprise the bird family (biology), family Thraupidae, in the order Passeriformes. The family has a Neotropical distribution and is the second-largest family of birds. It represents about 4% of all avian species and 12 ...

. It is the only member in the genus ''Urothraupis''. It is found in Colombia and Ecuador. 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 subtropical or 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 ...

Taxonomy

The black-backed bush tanager 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 1885 by

Władysław Taczanowski Władysław Taczanowski (; 17 March 1819, in Jabłonna, Lublin Voivodeship – 17 January 1890, in Warsaw) was a Polish zoologist and collector of natural history who explored the Russian Far East and northern Africa. He specialized mainly in orn ...

and

Hans von Berlepsch Count Hans Hermann Carl Ludwig von Berlepsch (29 July 1850 – 27 February 1915) was a German ornithologist who took an interest in the birds of South America. He also had a cousin named Baron Sittich Hans von Berlepsch (1857-1933) with whom he w ...

from specimens collected by the Polish zoologist

Jan Sztolcman Jan Stanisław Sztolcman (sometimes referred to as Jean Stanislaus Stolzmann) (19 November 1854, Warsaw – 28 April 1928, Warsaw) was a Polish zoologist, ornithologist and collector naturalist who travelled extensively in South America. He wa ...

(sometimes written Jean Stolzmann) on the eastern slopes of the

Tungurahua Volcano Tungurahua (; from Quichua ''tunguri'' (throat) and ''rahua'' (fire), "Throat of Fire")) is an active stratovolcano located in the Cordillera Oriental of Ecuador. The volcano gives its name to the province of Tungurahua. Volcanic activity rest ...

in central Ecuador. The ornithologists introduced the

monospecific In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

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 ...

''Urothraupis'' 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 ...

''Urothraupis stolzmanni''. The genus name 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 ...

''oura'' meaning "tail" with ''thraupis'', an unidentified small bird, used by ornithologist for tanagers. The specific epithet honors the collector Sztolcman/Stolzmann. A 2014

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 tanager family

found that the black-backed bush tanager is a member of the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...

Poospizinae and has a sister relationship to the pardusco in the monospecific genus ''Nephelornis''. The black-backed bush tanager is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

: no

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.

References

External links

Xeno-canto: audio recordings of the black-backed bush tanager
black-backed bush tanager Birds of the Colombian Andes Birds of the Ecuadorian Andes black-backed bush tanager Taxonomy articles created by Polbot {{Thraupidae-stub