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Greater mole-rat : ウィキペディア英語版 | Greater mole-rat
The greater mole-rat (''Spalax microphthalmus'') is a species of rodent in the family Spalacidae. It is found in Russia and Ukraine. ==Description== The greater mole-rat is tail-less. The eyes are covered by a membrane of skin and have atrophied lens cells enclosed in a vesicle and a retinal layer. It has prominent incisor teeth, which are used for burrowing. The fur is greyish, but can vary in color. It can grow to a size of 31 cm and weigh up to 570 g. Its dental formula is
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