Collared lemming

Collared lemmings Temporal range: Early Pleistocene to Recent
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Arvicolinae
Tribe:	Dicrostonychini
Genus:	Dicrostonyx Gloger, 1841
Type species
Mus hudsonius Pallas, 1778
Species
Dicrostonyx groenlandicus Dicrostonyx hudsonius Dicrostonyx nelsoni Dicrostonyx nunatakensis Dicrostonyx richardsoni Dicrostonyx torquatus Dicrostonyx unalascensis

Dicrostonyx is a genus of rodent in the family Cricetidae.^[1] It contains the collared lemmings or varying lemmings. They are the only North American rodents that turn completely white in winter.^[2] It contains the following species:

• Northern collared lemming (Dicrostonyx groenlandicus)
• Ungava collared lemming (Dicrostonyx hudsonius)
• Nelson's collared lemming (Dicrostonyx nelsoni)
• Ogilvie Mountains collared lemming (Dicrostonyx nunatakensis)
• Richardson's collared lemming (Dicrostonyx richardsoni)
• Arctic lemming (Dicrostonyx torquatus)
• Unalaska collared lemming (Dicrostonyx unalascensis)

1. ^ Musser, G. G.; Carleton, M. D. (2005). "Genus Dicrostonyx". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 970–973. ISBN 978-0-8018-8221-0. OCLC 62265494.
2. ^ "Dicrostonyx groenlandicus, Bering collared lemming". Animal Diversity Web. Retrieved 19 April 2016.

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