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Dwarf shrew
The dwarf shrew (''Sorex nanus'') is a species of mammal in the family Soricidae. It is endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah and Wyoming in the United States.〔
The type locality is Estes Park (Larimer County), Colorado, USA.
==Description==
As described by their common name, the dwarf shrew is a very small species of shrew, usually weighing 1.8 to 3.2 g. They change their pelage (fur) based on the season to aid in hiding from predators. In summer their pelage is brown to olive brown on the dorsal side, their backs. This color extends down their sides and merges with the smoke gray fur on their stomachs. Their tails are bi-colored, a mixture of dark fur on top and beige fur underneath. During the winter their pelage turns lighter and grayer, especially on their backs, again so they can blend into their surroundings. ()
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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