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Southern tuco-tuco
The southern tuco-tuco (''Ctenomys australis'') is a species of rodent in the family Ctenomyidae.〔Woods, C. A. and C. W. Kilpatrick. 2005. "Infraorder Hystricognathi." In: Wilson, D. E. and D. M. Reeder. (Species of the World'' ) (3rd ed.) Johns Hopkins University Press. pp. 1538-1600.〕
It is endemic to Argentina.
==Anatomy==
The southern tuco-tuco is a large rodent, ranging in weight from 250-600 grams. Its head-body length is 15-25 cm, while its tail length is 6-11 cm. 〔Luna, F. and C. Antinuchi. 2007. Energy and Distribution in Subterranean Rodents: Sympatry between Two Species of the Genus ''Ctenomys''. Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 147 (4): 948-954〕 At this size, it is one of the largest species within the genus ''Ctenomys''.〔Mora, M. S., J. F. Mapelli, O. E. Gaggiotti, M. J. Kittlein, and E. P. Lessa. 2010. Dispersal and Population Structure at Different Spatial Scales in the Subterranean Rodent ''Ctenomys australis''. BMC Genetics. 11 (9): 1-14〕
They are characterized by their large head, short legs, and considerable incisors.〔Anonymous. 2013. "Southern Tuco-tuco (''Ctenomys australis'')." ARKive. 04 Oct. 2013. http://www.arkive.org/southern-tuco-tuco/ctenomys-australis〕 Their pelage ranges in color from dark brown to black with pale-grey underparts, resembling the sandy soil of its habitat.〔Vassallo, Al. I., M. J. Kittlein, and C. Busch. 1994. Owl Predation on Two Sympatric Species of Tuco-Tucos (Rodentia: Octodontidae). Journal of Mammalogy. 75 (3): 725-732〕 Its tail, however, has no hair.〔
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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