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brown songlark
The brown songlark (''Megalurus cruralis''), also Australian songlark, is a small passerine bird found throughout much of Australia. A member of the family Locustellidae, this species is notable for sexual size dimorphism, among the most pronounced in any bird. It is a moderate-sized bird of nondescript plumage; the female brownish above and paler below, the larger male a darker brown.
==Taxonomy==
The brown songlark was described by Nicholas Aylward Vigors and Thomas Horsfield as ''Megalurus cruralis'' in 1827. John Gould placed it in the genus ''Cincloramphus'' in 1843, describing it as ''C. cantatoris''.〔Gould, J. (1843). In ''Proceedings of meeting of Zoological Society of London, Oct. 11, 1842.'': 131-140 ()〕
However the specific name of the former authors took priority. Along with most Old World Warblers, this species was formerly placed in Sylviidae sensu lato, but molecular phylogenetic studies demonstrated that this broad grouping is not a cohesive evolutionary lineage and warbler species were assigned to various families.
An alternative generic name ''Cinclorhamphus'' is derived from Greek words ''cinclus''/κιγκλος "wagtail" and ''ramphos''/ραμφος "beak") and ''cruralis'' from the Latin root ''crur-'' "leg, shin".
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