Cricetidae
Author
Don E. Wilson
Author
Russell A. Mittermeier
Author
Thomas E. Lacher, Jr
text
2017
2017-11-30
Lynx Edicions
Barcelona
Handbook of the Mammals of the World – Volume 7 Rodents II
204
535
book chapter
80832
10.5281/zenodo.6707142
ab66b2b7-9544-4411-bf61-5bc3651d7bca
978-84-16728-04-6
6707142
12.
Ladakh Dwarf Hamster
Cricetulus alticola
French:
Hamster du Ladakh
/
German:
Ladakh-Zwerghamster
/
Spanish:
Hamster enano de Ladakh
Other common names:
Ladakh Hamster
,
Tibetan Dwarf Hamster
Taxonomy.
Cricetulus alticola Thomas, 1917
,
“Shushul, 13,500" [=
4115 m
],” Ladakh, Kashmir,
India
.
Cricetulus alticola
is in the
kamensis
species group. It is sometimes considered as a subspecies of
kamensis
. Monotypic.
Distribution.
SW China (SW Xinjiang and W Tibet [= Xizang]), NW India, and W Nepal.
Descriptive notes.
Head—body 80-100 mm, tail 29-42 mm, ear 13-16 mm, hindfoot 15-18 mm; weight 22-48 g. The Ladakh Dwarf
Hamster
is similar to the Gray Dwarf
Hamster
(
C. migratorius
) in size but differs by having shorter ears, smaller bullae, and different colored venter. Dorsal pelageis gray yellowish brown without spots, and ventral pelage is grayish white. There is no sharp boundary between upper and lower surfaces; instead,it is an indistinguishable wavy line along sides. Thighs are gray. Tail is short, light brown above and white below. Bullae are vertically and horizontally small. M' has distinct folding pattern. Karyotype is 2n = 22.
Habitat.
Coniferous and birch forests and also shrublands, desert steppe, swamp, and highland meadows at elevations of 3100-5200 m.
Food and Feeding.
The Ladakh Dwarf
Hamster
eats grass seeds, grains, and insects.
Breeding.
Reproduction occurs in May-August and peaks in June-July. Litters have 5-10 young (usually 7-8).
Activity patterns.
The Ladakh Dwarf
Hamster
is generally nocturnal, but it can be active during the
day
.
Movements, Home range and Social organization.
The Ladakh Dwarf Hamsteris solitary.
Status and Conservation.
Classified as Least Concern on The IUCN Red List. The Ladakh Dwarf
Hamster
is threatened by habitat loss due to expansion of human settlements and army camps.
Bibliography.
Agrawal (2000), Lim & Ross (1992), Molur (2016b), Molur et al. (2005), Musser & Carleton (2005), Smith & Hoffmann (2008).