''Dicrostonyx'' is a genus of
rodent
Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
in the family
Cricetidae
The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and h ...
.
It contains the collared lemmings. They are the only North American rodents that turn completely white in winter.
It contains the following species:
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Northern collared lemming (''Dicrostonyx groenlandicus'')
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Ungava collared lemming (''Dicrostonyx hudsonius'')
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Nelson's collared lemming (''Dicrostonyx nelsoni'')
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Ogilvie Mountains collared lemming (''Dicrostonyx nunatakensis'')
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Richardson's collared lemming (''Dicrostonyx richardsoni'')
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Arctic lemming (''Dicrostonyx torquatus'')
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Unalaska collared lemming (''Dicrostonyx unalascensis'')
References
Dicrostonyx
Taxa named by C. L. Gloger
Taxonomy articles created by Polbot
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