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Urotrichini
Urotrichini is a taxonomic ''tribe'' of the mole family, and consists of Japanese and American shrew-moles. They belong to the Old World Moles and Relatives branch of the mole family (''Talpidae''). There are only three species, each of which represents its own genus. The name "Shrew-moles" refers to their morphological resemblance to shrews, while generally being thought of as True Moles. The species are the Japanese Shrew Mole, True's Shrew Mole and American Shrew Mole.〔http://www.jstor.org/pss/1380433〕〔http://www.bioone.org/doi/full/10.2108/zsj.21.1177〕
In Japan, the word "Himizu" (ヒミズ) may refer to both to the Japanese Shrew Mole in particular and Urotrichini in general; when True's Shrew Mole is distinguished from the general Himizu forms, the feminine diminutive word "Hime" is added to refer to the smaller size of that species. Although they are common in Japan, their alpine habitats, small size, and secretive lifestyle makes them generally unknown except among some mountain people and researchers.
==Morphology/Ecological Niche==
Urotrichini paws are smaller and more downward- and backward-facing than the out-and-to-the-side orientation of the paws of classic moles, although not so much as in shrews. The limbs protrude slightly down and away from the body, as opposed to being invisibly retracted into the body with paws springing from just behind the head, as with moles. As such, Urotrichini are less well adapted than moles to forward burrowing, but better adapted to digging through the softer surface debris, leaf litter, and topsoils of alpine forest surfaces.
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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