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Dicrostonyx nelsoni

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Nelson's Collared Lemming
(Dicrostonyx nelsoni)
Range
Taxonomic classification
Order:Rodentia
Suborder:Supramyomorpha
Infraorder:Myomorphi
Superfamily:Muroidea
Family:Cricetidae
Subfamily:Arvicolinae
Tribe:Dicrostonychini
Genus:Dicrostonyx
Subgenus:Dicrostonyx (subgenus)
Binomial details
Dicrostonyx nelsoni Merriam, 1900

Description

From Wilson et al. (2017): “Nelson's Collared Lemming is stocky, with relatively short limbs and tail. It is seasonally dimorphic, white in winter and grayish brown in summer. There is usually a reddish collar in summer.”

Dicrostonyx is the only rodent in North America that turns white in winter.

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External measurements

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Skull

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References

Merriam CH. 1900-03-14. Papers from the Harriman Alaska Expedition. I. Descriptions of twenty-six new mammals from Alaska and British North America. Proceedings of the Washington Academy of Sciences 2:13-30.

Wilson DE, Mittermeier RA, Lacher Jr TE. 2017. Cricetidae. In: Handbook of the Mammals of the World – Volume 7 Rodents II. Barcelona: Lynx Edicions: 204-535, ISBN: 978-84-16728-04-6, DOI: 10.5281/zenodo.6707142

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