Kozlov three-toed gerbil
| Kozlov three-toed gerbil | ||||||||||||
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| Salpingotus kozlovi | ||||||||||||
| Vinogradov , 1922 |
The Kozlov three- toed jump mouse or Koslow's jump mouse ( Salpingotus kozlovi ) is a species of rodent belonging to the genus of the three-toed jump mouse ( Salpingotus ). It occurs in northwest China and Mongolia . The Kozlov three-toed jump mouse is named after the Russian explorer Pyotr Kozlov .
features
The Kozlov three-toed gerbil reaches a head-trunk length of 4.3 to 5.6 centimeters and has a tail of 11.0 to 12.6 centimeters in length . The animals weigh 7 to 12 grams. The rear foot length is 24 to 27 millimeters, the ear length 9 to 12 millimeters. The back fur is silky light sand yellow colored with a gray wash, the body sides are lighter and the belly side is white to yellowish white. The head is less gray than the back. The tail is thickened in the front quarter. It is covered with individual long hairs, which form a tassel at the tail end. The feet have a brush-like pad of hard bristles near the toes.
| 1 | · | 0 | · | 1 | · | 3 | = 18 |
| 1 | · | 0 | · | 0 | · | 3 |
The skull has a total length of 22 to 28 millimeters. It's built short. The zygomatic arch is fully developed, in the middle part a branch points backwards and, viewed from the side, ends in front of the eye socket. The tympani are large and reach far behind the occiput . Like all jerboas owned pets in the maxilla per half an an incisor tooth trained incisors (incisive) to which a tooth gap ( diastema follows). This is followed by a premolar and three molars . In contrast, the animals do not have a premolar in the lower jaw. In total, the animals have a set of 18 teeth.
distribution
The Kozlov three-toed jumping vole is found in northwest China and Mongolia . In the People's Republic of China, it is recorded in the north and south of Xinjiang , the west of Inner Mongolia , Ningxia and the northwest of Gansu and Shaanxi . In Mongolia it occurs in the Trans-Altai-Gobi, the Alashani-Gobi and the Eastern Gobi.
Way of life
The Kozlov three-toed gerbil lives in dry and sandy regions with a vegetation of tamarisk and saxaul . The species feeds mainly on green parts of plants and seeds, but it also eats insects. The animals are nocturnal, more rarely also crepuscular. The breeding season is from April to May, the females have a litter with three to five young.
Systematics
The Kozlov three-toed jump mouse is classified as an independent species within the genus of the three-toed jump mouse ( Salpingotus ), which consists of six species. The first scientific description comes from Boris Vinogradow from 1922, who described the species using individuals from the region around Chara-Choto in the Gobi of Inner Mongolia. He named the species after the Russian explorer Pyotr Koslow , who excavated the Chara-Choto ruins on the Mongolia-Sichuan expedition from 1908 to 1909.
Status, threat and protection
The Kozlov three-toed jumping vole is classified as least concern by the International Union for Conservation of Nature and Natural Resources (IUCN). This is justified by the relatively large distribution area, the assumed large populations and the occurrence in several protected areas.
supporting documents
- ↑ a b c d e f g h i j Andrew T. Smith: Kozlov's Pygmy Jerboa. In: Andrew T. Smith , Yan Xie: A Guide to the Mammals of China. Princeton University Press, Princeton NJ 2008, ISBN 978-0-691-09984-2 , p. 204.
- ↑ Andrew T. Smith: Mongolian Five-Toad Jerboa. In: Andrew T. Smith , Yan Xie: A Guide to the Mammals of China. Princeton University Press, Princeton NJ 2008, ISBN 978-0-691-09984-2 , pp. 201-202.
- ↑ a b c d Salpingotus kozlovi in the IUCN Red List of Threatened Species 2014.3. Posted by: N. Batsaikhan, D. Avirmed, D. Tinnin, AT Smith, 2008. Retrieved December 23, 2015.
- ↑ Salpingotus (Salpingotus) kozlovi ( Memento of the original from December 23, 2015 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. . In: Don E. Wilson , DeeAnn M. Reeder (Eds.): Mammal Species of the World. A taxonomic and geographic Reference. 2 volumes. 3. Edition. Johns Hopkins University Press, Baltimore MD 2005, ISBN 0-8018-8221-4 .
- ↑ Bo Beolens, Michael Watkins, Michael Grayson: The Eponym Dictionary of Mammals . Johns Hopkins University Press, Baltimore 2009, ISBN 978-0-8018-9304-9 , p. 229. ( Google Books )
- ↑ Р.К. Kozlov's Mongolia and Sichuan Expedition (1907-1909): the Discovery of Khara-Khoto
literature
- Andrew T. Smith: Kozlov's Pygmy Jerboa. In: Andrew T. Smith , Yan Xie: A Guide to the Mammals of China. Princeton University Press, Princeton NJ 2008, ISBN 978-0-691-09984-2 , p. 204.
Web links
- Salpingotus kozlovi inthe IUCN Red List of Threatened Species 2014.3. Posted by: N. Batsaikhan, D. Avirmed, D. Tinnin, AT Smith, 2008. Retrieved December 23, 2015.