Gansu shrew

The Gansu shrew (Sorex cansulus) is a red-toothed shrew found only in a small part of Gansu province and other adjacent areas of China. With its very limited range, it is sensitive to habitat loss and is listed as a "vulnerable species" in the Chinese Red List, while the IUCN lists it as being "data deficient"

Gansu shrew[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Eulipotyphla
Family: Soricidae
Genus: Sorex
Species:
S. cansulus
Binomial name
Sorex cansulus
Thomas, 1912
Gansu shrew range

Taxonomy

The Gansu shrew was first described in 1912 by the British zoologist Oldfield Thomas, who named it Sorex cansulus. It closely resembles Laxmann's shrew (Sorex caecutiens), a common species with a wide range, and there were doubts as to the validity of the species. However, the discovery more recently of other locations where it appears to co-exist with S. caecutiens lends support to the validity of the species.[2]

Description

The Gansu shrew has a head-and-body length of 62 to 64 mm (2.4 to 2.5 in), with a tail of 38 to 43 mm (1.5 to 1.7 in). The hind foot measures 12 mm (0.5 in). The dorsal fur is greyish-brown with buff flanks and hazel-coloured underparts. Both the fore feet and the hind feet are brownish-white. The upper side of the tail is dark brown while the underside is paler.[3]

Distribution

The Gansu shrew is endemic to the province of Gansu in central China, where it is found at altitudes between about 2,600 and 3,000 m (8,500 and 9,800 ft). At one time known only from two sites in the immediate vicinity of the type locality in southern Gansu, it has since been recorded additionally from the southwestern part of the province, close to the border with Qinghai province, and from a single location in the east of the Tibet Autonomous Region.[2]

Status

The International Union for Conservation of Nature does not have enough information on this species to rate its conservation status, and has listed it as being "data deficient".[2] It is listed as "vulnerable" in the Chinese Red List.[3]

References
  1. Hutterer, R. (2005). Wilson, D.E.; Reeder, D.M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 286. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. Johnston, C.; Smith, A.T. (2016). "Sorex cansulus". IUCN Red List of Threatened Species. 2016: e.T20383A22318966. doi:10.2305/IUCN.UK.2016-1.RLTS.T20383A22318966.en. Retrieved 19 November 2021.
  3. Smith, Andrew T.; Xie, Yan (2013). Mammals of China. Princeton University Press. p. 205. ISBN 978-1-4008-4688-7.
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