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rockjumper
The rockjumpers are medium-sized insectivorous or omnivorous birds in the genus ''Chaetops'', which constitutes the entire family Chaetopidae. The two species, the Cape rockjumper, ''Chaetops frenatus'', and the Drakensberg rockjumper, ''Chaetops aurantius'', are endemic residents of southern Africa.〔del Hoyo, J.; Elliot, A. & Christie D. (editors). (2007). ''Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees.'' Lynx Edicions. ISBN 978-84-96553-42-2〕 The Cape rockjumper is a resident of the West Cape and south-west East Cape, and the orange-breasted (or Drakensberg) rockjumper is distributed in the Lesotho highlands and areas surrounding this in South Africa. The two rockjumpers have been treated as separate species but differ in size and plumage. The ranges do not overlap, but come close to doing so.
==Taxonomy and systematics==
Originally, these birds were placed in the thrushes, and they have also been placed with the Old World warblers and the babblers, but recent DNA studies indicate these birds are actually primitive passerines most closely related to the rockfowl (Picatharthidae), a family in which they are sometimes placed.
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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