Caryomys inez
Description
65.
Kolan Red-backed Vole
Caryomys inez
French: Campagnol inez / German: Kolan-Rotelmaus / Spanish: Topillo rojo de Kolan
Other common names: Inez's Red-backed Vole, Inez’s Vole, Kolan Vole
Taxonomy. Microtus (Eothenomys) inez Thomas, 1908, “Mountains 12 miles [= 19 km] N.W. of Ko-lan-chow[= Kelan Xian], Shan-si [= Shanxi, China]. 7000’ [= 2134 m].”
In the past, C. inezwas included in Eothenomys. Two subspecies recognized.
Subspecies and Distribution.
C. i. inex Thomas, 1908 — C & S Shaanxi, Shanxi, S Hebei, W Henan, and WC Anhui (China).
C. i. nux Thomas, 1910 — Gansu, Ningxia, S Shaanxi, and N Sichuan (China).
Descriptive notes. Head-body 83- 110 mm, tail 22-46 mm; weight 12-32 g. The Kolan Red-backed Vole is small and slender, with tail shorter than on the Gansu Red-backed Vole (C. eva). Tail is relatively longer on subspecies nux (39-45% of head-body length) than on subspecies inez (34-42%). Females have two inguinal pairs of nipples. Fur is brown, lighter on inez (dull ocherous-buff) and darker on nux (deep wood-brown). Belly is lighter than back, feet are whitish or gray, and tail is indistinctly bicolored and darker above. Skull is less angular than in the Gansu Red-backed Vole and remains smooth in advanced age. Molars are as in the Gansu Red-backed Vole, except for longer M3 and more complex M
Habitat. Dry forests, brushland, and farmland in hilly regions with annual precipitation of 390-450 mm at elevations of 500-2150 m. Kolan Red-backed Voles are reportedly common in bottoms of narrow, wooded, and bushy valleys.
Food and Feeding. No information.
Breeding. Breeding season of the Kolan Red-backed Vole occurs in March—October. A female with two embryos was reported, lactating females were collected in late May, and young-of-the-year were captured in June.
Activity patterns. The Kolan Red-backed Vole is fossorial.
Movements, Home range and Social organization. The Kolan Red-backed Vole burrows in loose soil.
Status and Conservation. Classified as Least Concern on The IUCN Red List. The Kolan Red-backed Vole is endemic to central China, with an overall distribution of c.172,000 km®.
Bibliography. Li Yongxiang & Xue Xiangxu (2009), Lunde (2008), Luo Zexun et al. (2000), Shenbrot & Krasnov (2005), Ye Xiaodi et al. (2002).
Notes
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Linked records
Additional details
Identifiers
Related works
- Cites
- Figure: 10.5281/zenodo.6709261 (DOI)
- Has part
- Figure: 10.5281/zenodo.6760403 (DOI)
- Is part of
- Book chapter: 10.5281/zenodo.6707142 (DOI)
- Book chapter: http://publication.plazi.org/id/FFC9156BFFAE20670D37145C0837FFDB (URL)
Biodiversity
- Family
- Cricetidae
- Genus
- Caryomys
- Kingdom
- Animalia
- Order
- Rodentia
- Phylum
- Chordata
- Scientific name authorship
- Thomas
- Species
- inez
- Taxon rank
- species
- Taxonomic concept label
- Caryomys inez (Thomas, 1908) sec. Wilson, Mittermeier & Lacher, 2017