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Golden-bellied capuchin
The golden-bellied capuchin (''Sapajus xanthosternos''), also known as the yellow-breasted or buffy-headed capuchin, is a species of New World monkey.
Although there are differences between individuals as well as between the sexes and across age groups, ''S. xanthosternos'' is described as having a distinctive yellow to golden red chest, belly and upper arms. Its face is a light brown and its cap for which the capuchins were first named is a dark brown/black or light brown. Formerly thought to be a subspecies of tufted capuchin (''S. apella''), it was elevated to the status of species.〔〔Mittermeier, R. A., Rylands, A. B., and Coimbra Filho, A, F. 1998, systematics: Species and Subspecies, an update. Ecology and Behaviour of Neotropical Primates, Volume 2. World Wide Fund. pp 13-75〕 Despite this previous classification, ''S. xanthosternos'' does not have very evident tufts, as they are oriented towards the rear of the skull and are hardly noticeable. A band of short hair around the upper part of the face with speckled colouring contrasts with the darker surrounding areas. The limbs and tail are also darkly coloured.
Populations of ''S. xanthosternos'' are restricted to the Atlantic forest of south-eastern Bahia, Brazil, due possibly to high degrees of interference from humans. Historically they probably would have inhabited the entire area east of, and north to, the Rio São Francisco.〔Coimbra Filho, A. F., Ryland, A. B., Pissinatti, A., Santos, I. B. 1991/1992, The Distribution and Conservation of the buff headed Capuchin Monkey, Cebus xanthosternos, In the Atlantic Forest Region of Eastern Brazil. ''Primate Conservation'' 12-13, 24-30.〕
The largest continuous area of forest in its known range, the Una Biological Reserve in Bahia, is estimated to contain a population of 185 individuals. As of 2004, there were 85 individuals in zoos and breeding facilities in Europe and Brazil.〔
== References ==
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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