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Greater white-toothed shrew : ウィキペディア英語版 | Greater white-toothed shrew
The greater white-toothed shrew (''Crocidura russula'') is a small insectivorous mammal found in Europe and North Africa. It is the most common of the white-toothed shrews. This species is found along the Mediterranean, Netherlands, Belgium, Germany and Portugal;〔(【引用サイトリンク】 Eurasian Insectivores and Tree Shrews- Status Survey and Conservation Action Plan )〕 in addition, the Osorio shrew of the Canary island of Gran Canaria, originally described as a separate species (''Crocidura osorio''), was later discovered to be a population of introduced greater white-toothed shrew.〔Molina, O. et al. (2003) "The origin of the Osorian shrew (Crocidura osorio) from Gran Canaria resolved using mtDNA". Italian Journal of Zoology, Volume 70, Issue 2〕 Its preferred habitats are grassland and woodland. It is slightly larger than the lesser white-toothed shrew but otherwise very similar, and can often be distinguished only by close inspection of its teeth which are unpigmented. ==Physical description==
The greater white-toothed shrew is distinguished by a careful examination of their unpigmented teeth. Like other "white tootheed-shrews", ''C. russula'' lacks the deposition of iron in their enamel at the tips of their teeth This particular species has a greyish or reddish brown upper coat with a yellowish grey coat in the underside The greater white-toothed shrews are part of the medium-sized shrews and weigh around 11 grams to 14 grams〔 The head and body length of ''C. russula'' is about 6 to 9 cm and the tail length averages to about 3 to 4.3 cm〔
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