Sokolov's dwarf hamster

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Sokolov's dwarf hamster
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Cricetinae
Genus: Cricetulus
Species:
C. sokolovi
Binomial name
Cricetulus sokolovi
Orlov & Malygin, 1988

Sokolov's dwarf hamster (Cricetulus sokolovi) is a species of rodent in the hamster and vole family Cricetidae. Previously listed as conspecific with Chinese striped hamster, it has been listed as a separate species since 1988. It has a distinctive dark stripe down its back on and otherwise grey body. It is found in China and Mongolia, and lives in burrows beneath desert shrubs.

Contents

Taxonomy

Cricetulus sokolovi was previously attributed to C. barabensis obscurus, but was elevated to species status in 1988 due to differences in its chromosomes and fur. [2] [3] It is named for the Russian zoologist Vladimir E. Sokolov. [4]

Description

Its fur is grey with a brown-yellow hue with a dark stripe that runs from the back of a specimen's neck to the base of its tail. This stripe is seen more easily in younger animals and fades with age. [5] Its feet are white and its toes curl upwards. It has ears the same color as its fur, with a dark grey spot in the inside middle. It has a head-body-length of between 77–114 millimetres (3.0–4.5 in), tail length of 18–32 millimetres (0.71–1.26 in) and ear length of 13–19 millimetres (0.51–0.75 in). The skull is on average between 23–26 millimetres (0.91–1.02 in) long. [5]

Habitat

Sokolov's dwarf hamster prefers to live in burrows built under desert shrubs in sandy areas. [5] It is found in western and southern Mongolia, [6] including in the northern and eastern Gobi, [3] and in central Inner Mongolia in northern China. [6] [7]

In Mongolia, its main geographical threats are droughts and the drying of water sources. Six percent of its known range in Mongolia is within protected areas. [3]

Reproduction

Reproduction begins in mid-May with two or three litters of between four and nine young produced annually. [5]

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References

  1. ↑ Batsaikhan, N. & Smith, A.T. (2016). "Cricetulus sokolovi". IUCN Red List of Threatened Species . 2016: e.T5527A115073247. doi: 10.2305/IUCN.UK.2016-3.RLTS.T5527A22391689.en .{{cite iucn}}: error: |doi= / |page= mismatch (help)
  2. ↑ Orlov, V.N. (1988). "A new species of hamsters-Cricetulus sokolovi sp. n.(Rodentia, Cricetidae) from People's Republic of Mongolia". Zoologicheskii Zhurnal .
  3. 1 2 3 Batsaikhan, N. & Smith, A.T. (2008). "Cricetulus sokolovi". IUCN Red List of Threatened Species . 2008. Retrieved 27 Jan 2011.CS1 maint: ref=harv (link)
  4. ↑ Pavlova, Dmitriy S.; Vladimir S. Shishkin (1998). "Obituary: Vladimir E. Sokolov: 1928–98". Oryx . 32 (4): 249. doi: 10.1046/j.1365-3008.1998.d01-54.x .
  5. 1 2 3 4 Smith, Andrew T.; Xie, Yan, eds. (2008). A Guide to the Mammals of China. Princeton University Press. pp. 242, 244–245. ISBN   978-0-691-09984-2.
  6. 1 2 Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1043. ISBN   978-0-8018-8221-0. OCLC   62265494.
  7. ↑ Nowak, Ronald M. (1999). Walker's mammals of the world, Volume 1. JHU Press. p. 1421. ISBN   978-0-8018-5789-8.
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