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''Bibimys chacoensis'' is a species of small rodent of the family Cricetidae living in the north-central part of Southern Cone of South America. It is one of the three species currently recognized under the genus ''Bibimys''. The common name of this species is Chaco crimson-nosed rat (in Spanish: ''ratón de hocico rosado norteño'' (pink-nosed mice )) The species was described in 1931 by zoologist Harold H. Shamel, under the denomination of ''Akodon chacoensis''. The etymology of this species is a toponym for the locality where the type material was collected, the province of Chaco. The exact locality in the label is: “Las Palmas, provincia del Chaco, Argentina”. In 1980, Argentinian mammalogist, Elio Massoia, transferred it to genus ''Bibimys''. ''Bibimys chacoensis'' is considered to be an endemic species of the gallery forests and open spaces of the humid Chaco region between the provinces of Formosa, Chaco and Misiones. It has been also reported from Paraguay. According to the IUCN Red List of Threatened Species, ''Bibimys chacoensis'' is listed as a species of least concern. However, Argentinian conservationist Juan Carlos Chebez (1962 - 2011) placed this species under threat in a paper published in 2009. Very little is known about the reproduction, maternal care, lifespan, longevity, behaviour, and economic impact of this species. ==References== *D'Elia, G., Luna, L., Gonzales, E. M. and Patterson, B. D. (2005). On the Sigmodontinae radiation (Rodentia, Cricetidae): An appraisal of the phylogenetic position of ''Rhagomys''. ''Molecular Phylogenetics and Evolution'' 38: 558-564. *D'Elia, G. & Pardinas, U. (2008). ''Bibimys chacoensis''. In: IUCN 2015. ''IUCN Red List of Threatened Species''. Retrieved June, 2015. *Chébez, Juan Carlos (2009). ''Otros que se van. Fauna argentina amenazada'' (1ª edición). Buenos Aires: Albatros. p. 552. ISBN 978-950-24-1239-9 *Macdonald, David (2001). ''The New Encyclopedia of Mammals''. Oxford University Press. ISBN 0198508239. *Massoia, E. (1980) El estado sistemático de cuatro especies de cricétidos sudamericanos y comentarios sobre otras especies congenéricas. ''Ameghiniana'' 17:280-287. *Shamel, H. H. (1931). ''Akodon chacoensis'', a new cricetine rodent from Argentina. ''Journal of Washington Academy of Sciences'' 21:427-429. *Smith, M.F. and J.L. Patton, "Phylogenetic relationship and the radiation of sigmodontinae rodents in South America: Evidence from cytochrome b. ''Journal of Mammalian Evolution'' 6: 89-128 (1999) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bibimys chacoensis」の詳細全文を読む スポンサード リンク
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