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desert whitethroat
The desert whitethroat (''Sylvia minula'') is a typical warbler. Until recently, it was considered conspecific with the lesser whitethroat; today these are seen as members of a superspecies. The desert whitethroat together with Hume's whitethroat form an Asian lineage in the superspecies, which have diverged into species adapted to drier lowlands and moister mountain habitats respectively.〔Del Hoyo, J., Elliot, A., & Christie, D. (editors). (2006). ''Handbook of the Birds of the World''. Volume 11: Old World Flycatchers to Old World Warblers. Lynx Edicions. ISBN 84-96553-06-X.〕〔Helbig, A. J. (2001). The characteristics of the genus: Phylogeny and biogeography of the genus ''Sylvia''. Pages 24–28 in: Shirihai, H., Gargallo, G., Helbig, A. J., & Harris, A. ''Sylvia Warblers''. Helm Identification Guides ISBN 0-7136-3984-9〕〔Jønsson, K. A., & Fjeldså, J. (2006). A phylogenetic supertree of oscine passerine birds (Aves: Passeri). ''Zool. Scripta'' 35 (2): 149–186. (HTML abstract).〕
〔Helbig, A. J. (2001): Phylogeny and biogeography of the genus ''Sylvia''. ''In:'' Shirihai, Hadoram: ''Sylvia warblers'': 24-29. Princeton University Press, Princeton, N.J. ISBN 0-691-08833-0〕〔Jønsson, Knud A. & Fjeldså, Jon (2006): A phylogenetic supertree of oscine passerine birds (Aves: Passeri). ''Zool. Scripta'' 35(2): 149–186.〕 The name Small whitethroat has also been used by some authors, and desert lesser whitethroat before it was split from lesser whitethroat.〔
==Description==
It is distinguished from Hume's and lesser whitethroats by its smaller size (12 cm length, 8–13 g weight), smaller bill, the uniformly paler grey head lacking the well-marked dark cheeks of Hume's and lesser whitethroats, and a lighter grey-brown back; in these differences it follows Gloger's rule of pale colour in arid regions. The throat is white, and the rest of the underparts pale greyish-white.〔
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