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Daniel's tufted-tailed rat
Daniel's tufted-tailed rat (''Eliurus danieli'') is a species of rodent in the Nesomyidae family. It was discovered in 2003 in the Parc National de l’Isalo in south-central Madagascar.〔Carleton, M.D., and S.M. Goodman. 2007. A New Species of the ''Eliurus majori'' Complex (Rodentia: Muroidea: Nesomyidae) from South-central Madagascar, with Remarks on Emergent Species Groupings in the Genus ''Eliurus''. ''American Museum Novitates'' 3547: 1–21. ()〕 It is named for Daniel Rakotondravony, professor of animal biology at the University of Antananarivo, Madagascar.〔
Daniel's tufted-tailed rat first became known in 1995, when a specimen was found to belong to the ''majori-penicillatus'' complex. Molecular data suggested that Major's tufted-tailed rat (''Eliurus majori'') was a close relative; study of two more animals found in 2002 indicated that the two are different species.〔
==Description==
The head-and-body length of Daniel's tufted-tailed rat is about and the tail is a further . The fine soft hairs on the dorsal (upper) surface of the body are about long, and are grey, tipped with buff. The guard hairs are dark brown to black and slightly longer than the cover hairs. The general dorsal colour of the animal is a brownish-grey, with a plain grey face, forehead and limbs. There is a sharp line separating the upper parts from the underparts. and the latter are buffish-white. The feet are white and there is a tuft of white hairs at the base of each claw. The basal third of the tail is semi-naked, the central third is scantily clad with short black hairs, and the distal third has a tuft of bright white hairs which are up to in length.〔
A male specimen found in December 2002 was found to have scrotal testes with convoluted epididymis.〔 This species has a notably rounded braincase, certainly in comparison with the Tsingy tufted-tailed rat (''Eliurus antsingy'').
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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