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Des Murs's wiretail
Des Murs's wiretail (''Sylviorthorhynchus desmursii'') is a small passerine bird of southern South America which belongs to the ovenbird family Furnariidae. It is the only member of the genus ''Sylviorthorhynchus''. Molecular phylogenetics places it within the Synallaxinae and indicates that the genus diverged from the ''Leptasthenura'' about 14-15 million years ago.〔Gonzalez, J. & M. Wink (2008) Phylogenetic position of the monotypic Des Murs’ Wiretail (''Sylviorthorhynchus desmursii'', Aves: Furnariidae) based on mitochondrial and nuclear DNA. ''Journal of Ornithology'' 149(3):393-398 doi 10.1007/s10336-007-0251-0〕
==Description==
It is long, with the very long tail accounting for about two-thirds of this, but weighs as little as .〔Johnson, Alfredo William (author) and Goodall, J.D. (illustrator); ''The birds of Chile and adjacent regions of Argentina, Bolivia, and Peru'', Volume II; pp. 171-173.〕 The tail consists of just six feathers which are very narrow and filament-like: so few retrices are elsewhere seen only in the emu-wrens of Australia.〔Sibley, Charles Gald and Alquist, John E.; ''Phylogeny and Classification of the Birds: A Study in Molecular Evolution''; p. 576. ISBN 0300040857〕 The two central feathers are greatly elongated while the two outer feathers are very short. The plain plumage is reddish-brown above, paler on the underparts. There is a pale stripe above the eye. The bird is small and rounded with a very fine bill. The song is fast and high-pitched.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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