The black-backed bush tanager (''Urothraupis stolzmanni''), also known as the black-backed bush-finch, is a species of bird in the family Thraupidae. It is the only member in the genus ''Urothraupis''. It is found in Colombia and Ecuador. Its natural habitat is subtropical or tropical moist montane forests.

Taxonomy

The black-backed bush tanager was formally described in 1885 by Władysław Taczanowski and Hans von Berlepsch 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 ornithologist. Biography Beginning in 1872, Sztolcman studied zoology at the Imperial Universit ...

(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 resta ...

in central Ecuador. The ornithologists introduced the monospecific genus ''Urothraupis'' and coined the

binomial name In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

''Urothraupis stolzmanni''. The genus name combines the Ancient 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 Thraupidae 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 subfamily botanical names with "-oideae", and zoologi ...

Poospizinae and has a sister relationship to the

pardusco The pardusco (''Nephelornis oneilli'') is a species of tanager that is endemic to woodland near the Tree line, timberline in the Andes of central Peru. It is the only member of the genus ''Nephelornis''. This small olive (colour), olive-brown bir ...

in the monospecific genus ''Nephelornis''. The black-backed bush tanager is monotypic: no

subspecies In biological classification, 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. Not all species ...

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