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Sillem's Mountain-finch Leucosticte sillemi
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This species is listed as Data Deficient because it is known from only two specimens, thus there is insufficient information available for assessment of its threat status.

Taxonomic source(s)
Roselaar, C. S. 1992. A new species of mountain finch Leucosticte from western Tibet. Bulletin of the British Ornithologists' Club 112: 225-231.

Taxonomic note
Described as new to science by Roselaar (1992).

Distribution and population
Leucosticte sillemi has been described from two specimens collected in 1929 on a barren plateau at 5,125 m in southern Xinjiang Autonomous Region, China (in an area under Chinese administration but also claimed by India). Its population is unknown, but it is presumably localised and scarce. One of the birds collected was a juvenile with wings not yet fully grown and the collector considered that the birds had either bred close to where they were collected or on the nearby peaks in the Kunlun Shan range.

Population justification
This species is only known from two specimens and as such no population estimates are available.

Trend justification
The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

The type-locality is a barren plateau at 5,125 m. It is probably resident at the type-locality, as the adult collected was in full moult in September.

No threats are known and there are unlikely to be any in the remote area from which it is known.

Conservation Actions Underway
None is known. Conservation Actions Proposed
Search for species at the type-locality and on other high altitude plateaux in the area.

BirdLife International. 2001. Threatened birds of Asia: the BirdLife International Red Data Book. BirdLife International, Cambridge, U.K.

del Hoyo, J.; Elliott, A.; Christie, D. 2010. Handbook of the Birds of the World, vol. 15: Weavers to New World Warblers. Lynx Edicions, Barcelona, Spain.

Further web sources of information
Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).

Explore HBW Alive for further information on this species

Search for photos and videos, and hear sounds of this species from the Internet Bird Collection

Text account compilers
Benstead, P., Crosby, M., Peet, N., Symes, A., Taylor, J.

IUCN Red List evaluators
Butchart, S., Symes, A.

Recommended citation
BirdLife International (2016) Species factsheet: Leucosticte sillemi. Downloaded from on 27/10/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 27/10/2016.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Data Deficient
Family Fringillidae (Finches and Hawaiian honeycreepers)
Species name author Roselaar, 1992
Population size Unknown mature individuals
Population trend Stable
Distribution size (breeding/resident) 8,400 km2
Country endemic? Yes
Links to further information
- Additional Information on this species