Cricetulus longicaudatus Milne-Edwards 1867

9. Long-tailed Dwarf Hamster Cricetulus longicaudatus French: Hamster a longue queue / German: Langschwanz-Zwerghamster / Spanish: Hamster enano de cola larga Other common names: Long-tailed Dwarf Hamster Taxonomy. Cricetus (Cricetulus) longicaudatus Milne-Edwards, 1867, near Saratsi, N Shanxi, Chin...

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Bibliographic Details
Main Authors: Don E. Wilson, Russell A. Mittermeier, Thomas E. Lacher, Jr
Format: Other/Unknown Material
Language:unknown
Published: Lynx Edicions 2017
Subjects:
Online Access:https://zenodo.org/record/6706477
https://doi.org/10.5281/zenodo.6706477
Description
Summary:9. Long-tailed Dwarf Hamster Cricetulus longicaudatus French: Hamster a longue queue / German: Langschwanz-Zwerghamster / Spanish: Hamster enano de cola larga Other common names: Long-tailed Dwarf Hamster Taxonomy. Cricetus (Cricetulus) longicaudatus Milne-Edwards, 1867, near Saratsi, N Shanxi, China. Cricetulus longicaudatus is the only species in the longicaudatus group. Three subspecies recognized. Subspecies and Distribution. C. Ll longicaudatus Milne-Edwards, 1867 — extreme E Kazakhastan, Russia (Tuva and Transbaikalia), Mongolia, and N & C China (N & NW Xinjiang, Gansu, Inner Mongolia [= Nei Mongol], E Qinghai, Ningxia, Shaanxi, Shanxi, Hebei, Beijing, Tianjin, N Henan, and NW Sichuan). C.l.chiumalaiensisWangSung&ZhengChanglin,1973—SCChina(SQinghaiandextremeNETibet[=Xizang]). C. l. kozhantschikovi Vinogradov, 1927 — SE Krasnoyarsk Krai in SE Siberia (Russia). Descriptive notes. Head-body 80-135 mm, tail 35-48 mm, ear 15-20 mm, hindfoot 15-21 mm; weight 15-50 g. Dorsal pelage of the Long-tailed Dwarf Hamster is sandy yellow or dark brownish gray; ventral pelage grayish white. Individual hairs have dark bases and white tips. Distinct line on sides of body separates dorsal and ventral colors. Ears are dark with white rims. Upper surfaces of feet are white. Tail is ¢.30% of headbody length, dark above and white below. Skull is low, and snout is narrow and long. There is no supraorbital ridge. Incisive foramina is long, reaching beyond anterior margin offirst upper molar. Auditory bullae are large and round. Karyotype is 2n = 24. Habitat. Arid areas with shrubby slopes, dry forests, mountain steppes, and foothills and southern slopes of mountains to elevations of ¢.1900 m. The Long-tailed Dwarf Hamster is particularly abundant in piedmont semi-desert, a type of desert grassland with mixed shrubs and succulent plants, and savanna with scattered xeromorphic trees. Food and Feeding. The Long-tailed Dwarf Hamster eats plant material, mainly seeds, and insects. In late summer, it gathers and stores ...