Subalpine warbler

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Subalpine warbler
Sylvia inornata iberiae, Portugal.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Sylviidae
Genus: Sylvia
Species: S. cantillans
Binomial name
Sylvia cantillans
(Pallas, 1764, Italy)
Female, near Ouarzazate, Morocco
Eggs of Sylvia cantillansMHNT

The subalpine warbler (Sylvia cantillans) is a small typical warbler which breeds in the southernmost areas of Europe and northwest Africa. It was first described by the German naturalist Peter Simon Pallas in 1764 and given the binomial name Montacilla cantillans.[2][3][4] The current genus name is from Modern Latin silvia, a woodland sprite, related to silva, a wood. The specific cantillans is Latin for "warbling" from canere, "to sing".[5] This small passerine bird is migratory, and winters along the southern edge of the Sahara. It occurs as a vagrant well away from the breeding range, in both spring and autumn as far north as Great Britain.

Like most Sylvia species, it has distinct male and female plumages. The adult male has a grey back and head, brick-red underparts, and white malar streaks ("moustaches"). The female is mainly brown above, with a greyer head, and whitish below with a pink flush. The subalpine warbler's song is fast and rattling, and is similar to the lesser whitethroat.

This bird seems to be related to the Sardinian warbler-Menetries' warbler superspecies. They all have white malar areas, the heads being dark above in adult males, and naked eye-rings. These three species are related to a superspecies consisting of Rüppell's warbler and the Cyprus warbler, which also share the white malar area with blackish above.(Shirihai et al. 2001,[6] Jønsson & Fjeldså 2006 [7]) The subalpine warbler is divided into two distinct subspecies groups, which may possibly be sufficiently diverged to qualify as two separate species (Shirihai et al. 2001).[6] The two groups have differing male plumages, distinctive calls, and are allopatric; further study is needed.

Moltoni's warbler was formerly considered conspecific.

These groups are as follows (areas given below are breeding ranges; all forms winter in Africa):

  • Western subalpine warbler – subspecies cantillans, found in north-west and peninsular Italy, Sicily, southern France and Iberia, and inornata found in north-west Africa
  • Eastern subalpine warbler – subspecies albistriata, found from north-east Italy southeastwards to southern Turkey

Eastern subalpine warbler differs from the nominate race by its deeper blue-grey upperparts, a blackish mask on the lores and ear-coverts, brick reddish-brown coloration confined to the throat and breast and sharply demarcated from a largely white belly, paler flanks and a wider white submoustachial stripe.[8]

This is a bird of dry open country, often on hill slopes, with bushes for nesting. The nest is built in low shrub or gorse, and 3–5 eggs are laid. Like most "warblers", it is insectivorous, but will also take berries.

References[edit]

  1. ^ BirdLife International (2012). "Sylvia cantillans". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ Mayr, Ernst; Cottrell, G. William, eds. (1986). Check-list of Birds of the World. Volume 11. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 283. 
  3. ^ Sherborn, C. Davies (1905). "The new species of birds in Vroeg's catalogue, 1764". Smithsonian Miscellaneous Collections. 47: 332–341 [337 No. 177].  Includes a transcript of the 1764 text.
  4. ^ Rookmaaker, L.C.; Pieters, F.F.J.M. (2000). "Birds in the sales catalogue of Adriaan Vroeg (1764) described by Pallas and Vosmaer". Contributions to Zoology. 69 (4): 271–277. 
  5. ^ Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 89, 376. ISBN 978-1-4081-2501-4. 
  6. ^ a b Phylogeny and biogeography of the genus Sylvia, pp. 24 – 30 in: Shirihai, Hadoram, Gabriel Gargallo and Andrea J. Helbig (2001) Sylvia warblers: Identification, taxonomy and phylogeny of the genus Sylvia Helm Identification Guides ISBN 0-7136-3984-9
  7. ^ Jønsson, Knud A. & Fjeldså, Jon (2006): A phylogenetic supertree of oscine passerine birds (Aves: Passeri). Zool. Scripta 35(2): 149–186. doi:10.1111/j.1463-6409.2006.00221.x (HTML abstract)
  8. ^ Duquet, Marc and Amine Flitti (2007) Éléments d'identification de la Fauvette passerinette orientale [Sylvia cantillans albistriata] Ornithos Vol. 14, no. 3, pages 164 – 171 (in French)

Further reading[edit]

  • Brambilla, Mattia; Vitulano, Severino; Spina, Fernando; Bacetti, Nicola; Gargalllo, Gabriel; Fabbri, Elena; Guidali, Franca; Randi, Ettore (2008). "A molecular phylogeny of the Sylvia cantillans complex: Cryptic species within the Mediterranean basin". Molecular Phylogenetics and Evolution. 48 (2): 461–472. doi:10.1016/j.ympev.2008.05.013. 
  • Svensson, Lars (2013). "A taxonomic revision of the Subalpine Warbler Sylvia cantillans". Bulletin of the British Ornithologists’ Club. 133: 240–248. 
  • Svensson, Lars (2013). "Subalpine Warbler variation and taxonomy". British Birds. 106 (11): 651–668. 

External links[edit]