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Vaurie's Nightjar Caprimulgus centralasicus

Justification
Despite recent searches, this species is known from only one specimen, the provenance of which has been debated. As such, there is insufficient information available for an assessment of its threat status.

Taxonomic source(s)
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

Distribution and population
Caprimulgus centralasicus is known from a single record in Xinjiang, western China. Several recent surveys of the type locality and other similar sites in this region have failed to locate it, indicating that it is scarce and presumably localised. Its taxonomic status requires clarification, as it has been suggested that the specimen may prove to be an immature European Nightjar C. europaeus plumipes, although this theory has been called into question more recently (Leader 2009).

Population justification
This species is only known from its type specimen and as such no population estimates are available.

Trend justification
The current population trend is unknown as the species is only known from a single record.

Ecology
The type-specimen was collected in sandy scrub-jungle at 1,220 m and it presumably occurs in desert and semi-desert habitats.

Threats
There has been widespread degradation of desert and semi-desert habitats in the Taklimakan Desert through intensive grazing by goats and camels, extraction of fuelwood, and the conversion of huge areas to irrigated farmland. In 1990, the habitats at the type-locality, Guma, were found to have been very much altered since the 1920s.

Conservation Actions Underway
None are known. Conservation Actions Proposed
Clarify its taxonomic status. Continue surveys in area of the type locality.

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

del Hoyo, J.; Elliott, A.; Sargatal, J. 1999. Handbook of the Birds of the World, vol. 5: Barn-owls to Hummingbirds. Lynx Edicions, Barcelona, Spain.

del Hoyo, J.; Elliott, A.; Sargatal, J. 1999. Handbook of the Birds of the World, vol. 5: Barn-owls to Hummingbirds. Lynx Edicions, Barcelona, Spain.

Leader, P. J. 2009. Is Vaurie's Nightjar Caprimulgus centralasicus a valid species? BirdingASIA 11: 47-50.

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 (2014) Species factsheet: Caprimulgus centralasicus. Downloaded from http://www.birdlife.org on 21/10/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/10/2014.

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 Caprimulgidae (Nightjars)
Species name author Vaurie, 1960
Population size Unknown mature individuals
Population trend Unknown
Distribution size (breeding/resident) -
Country endemic? Yes
Links to further information
- Additional Information on this species