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Urocricetus Kamensis
The Kam dwarf hamster (''Urocricetus kamensis'') is a species of rodent in the family Cricetidae. It is found only in the mountains of western China where it inhabits grassland, shrubby marshes and steppes. Although it has a limited range, the International Union for Conservation of Nature has assessed its conservation status as being of "least concern". It was recently moved from the genus ''Cricetulus'' to ''Urocricetus''. Description The Kam dwarf hamster has a head and body length of between and a tail length of . The dorsal fur is dark greyish-brown, sometimes spotted or streaked with black, the underparts are greyish white and there is a wave-like transition where the two colours meet. The tail is thick and well-covered with guard hairs, having a dark stripe at the top and otherwise being white, with a wholly white tip. Distribution and habitat The Kam dwarf hamster is endemic to western China where it is found in the Tibet Autonomous Region and the provinces of Qinghai, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Konstantin Alekseevich Satunin
Konstantin Alekseevich Satunin (20 May 1863–10 November 1915) was a Russian zoologist who graduated at Moscow State University in 1890. From 1893 onward, he worked at a sericulture station in the Caucasus. He was a senior specialist at the Department of Agriculture between 1907 and 1915, concentrating on applied zoology and hunting in the Caucasus. He studied the mammals of Russia and Central Asia and published many works on the fauna of the Caucasus, mainly in the field of mammalogy but also entomology, herpetology, ichthyology, ornithology, sericulture, zoogeography, game management science and fishing. For example, he gave descriptions of a Caspian tiger from Prishibinskoye.Geptner, V. G., Sludskij, A. A. (1972). ''Mlekopitajuščie Sovetskogo Soiuza.'' Vysšaia Škola, Moskva. (In Russian; English translation: Heptner, V.G., Sludskii, A. A., Komarov, A., Komorov, N.; Hoffmann, R. S. (1992)''Mammals of the Soviet Union. Vol III: Carnivores (Feloidea).''Smithsonian Institution ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tibet Autonomous Region
The Tibet Autonomous Region (TAR), often shortened to Tibet in English or Xizang in Pinyin, Hanyu Pinyin, is an Autonomous regions of China, autonomous region of the China, People's Republic of China. It was established in 1965 to replace the Tibet Area (administrative division), Tibet Area, a former administrative division of the Republic of China (1912–1949), Republic of China. The current borders of the Tibet Autonomous Region were generally established in the 18th century and include about half of Tibet, cultural Tibet, which was at times independent and at times under Mongol or Chinese rule. The TAR spans more than and is the second-largest Administrative divisions of China, province-level division of China by area. Due to its harsh and rugged terrain, it has a total population of only 3.6 million people or approximately . Names and etymologies Tibet Autonomous Region is often shortened to Tibet in English or Xizang in Hanyu Pinyin. The earliest official record of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Described In 1903
A mammal () is a vertebrate animal of the class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles and birds, from which their ancestors diverged in the Carboniferous Period over 300 million years ago. Around 6,640 extant species of mammals have been described and divided into 27 orders. The study of mammals is called mammalogy. The largest orders of mammals, by number of species, are the rodents, bats, and eulipotyphlans (including hedgehogs, moles and shrews). The next three are the primates (including humans, monkeys and lemurs), the even-toed ungulates (including pigs, camels, and whales), and the Carnivora (including cats, dogs, and seals). Mammals are the only living members of Synapsida; this clade, together with Sauropsida (reptiles and birds), c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rodents Of China
Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal species are rodents. They are native to all major land masses except for Antarctica, and several oceanic islands, though they have subsequently been introduced to most of these land masses by human activity. Rodents are extremely diverse in their ecology and lifestyles and can be found in almost every terrestrial habitat, including human-made environments. Species can be arboreal, fossorial (burrowing), saltatorial/ricochetal (leaping on their hind legs), or semiaquatic. However, all rodents share several morphological features, including having only a single upper and lower pair of ever-growing incisors. Well-known rodents include Mouse, mice, rats, squirrels, prairie dogs, porcupines, beavers, Cavia, guinea pigs, and hamsters. Once included wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of China
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or becomin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamsters
Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains 19 species classified in seven genera. They have become established as popular small pets. The best-known species of hamster is the golden or Syrian hamster (''Mesocricetus auratus''), which is the type most commonly kept as a pet. Other hamster species commonly kept as pets are the three species of dwarf hamster, Campbell's dwarf hamster (''Phodopus campbelli''), the winter white dwarf hamster (''Phodopus sungorus'') and the Roborovski hamster (''Phodopus roborovskii''), and the less common Chinese hamster (''Cricetulus griseus''). Hamsters feed primarily on seeds, fruits, vegetation, and occasionally burrowing insects. In the wild, they are crepuscular: they forage during the twilight hours. In captivity, however, they are known to live a conventionally nocturnal lifestyle, waking around sundown to feed and exercise. Physically, they are stout-bodied with distinguishing features ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steppe
In physical geography, a steppe () is an ecoregion characterized by grassland plains without closed forests except near rivers and lakes. Steppe biomes may include: * the montane grasslands and shrublands biome * the tropical and subtropical grasslands, savannas, and shrublands biome * the temperate grasslands, savannas, and shrublands biome A steppe is usually covered with grass and shrubs, depending on the season and latitude. The term ''steppe climate'' denotes a semi-arid climate, which is encountered in regions too dry to support a forest, but not dry enough to be a desert. Steppes are usually characterized by a semi-arid or continental climate. Temperature extremes can be recorded in the summer of up to and in winter of down to . Besides this major seasonal difference, fluctuations between day and night are also significant: in both the highlands of Mongolia and northern Nevada, can be reached during the day with sub-freezing readings at night. Steppes ave ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xinjiang
Xinjiang,; , SASM/GNC romanization, SASM/GNC: Chinese postal romanization, previously romanized as Sinkiang, officially the Xinjiang Uygur Autonomous Region (XUAR), is an Autonomous regions of China, autonomous region of the China, People's Republic of China (PRC), located in the Northwest China, northwest of the country at the crossroads of Central Asia and East Asia. Being the List of Chinese administrative divisions by area, largest province-level division of China by area and the List of the largest country subdivisions by area, 8th-largest country subdivision in the world, Xinjiang spans over and has about 25 million inhabitants. Xinjiang Borders of China, borders the countries of Afghanistan, India, Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Russia, and Tajikistan. The rugged Karakoram, Kunlun Mountains, Kunlun and Tian Shan mountain ranges occupy much of Xinjiang's borders, as well as its western and southern regions. The Aksai Chin and Trans-Karakoram Tract regions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gansu
Gansu is a provinces of China, province in Northwestern China. Its capital and largest city is Lanzhou, in the southeastern part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibetan Plateau, Tibetan and Loess Plateau, Loess plateaus and borders Mongolia's Govi-Altai Province, Inner Mongolia and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south and Shaanxi to the east. The Yellow River passes through the southern part of the province. Part of Gansu's territory is located in the Gobi Desert. The Qilian Mountains, Qilian mountains are located in the south of the Province. Gansu has a population of 26 million, ranking List of Chinese administrative divisions by population, 22nd in China. Its population is mostly Han Chinese, Han, along with Hui people, Hui, Dongxiangs, Dongxiang and Tibetan people, Tibetan minorities. The most common language is Mandarin. Gansu is among the poorest administrative divi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qinghai
Qinghai is an inland Provinces of China, province in Northwestern China. It is the largest provinces of China, province of China (excluding autonomous regions) by area and has the third smallest population. Its capital and largest city is Xining. Qinghai borders Gansu on the northeast, Xinjiang on the northwest, Sichuan on the southeast and the Tibet Autonomous Region on the southwest. Qinghai province was established in 1928 during the period of the Republic of China (1912–1949), Republic of China, and until 1949 was ruled by Hui people, Chinese Muslim warlords known as the Ma clique. The Chinese language, Chinese name "Qinghai" is after Qinghai Lake, the largest lake in China. The lake is known as Tso ngon in Tibetan, and as Kokonor Lake in English, derived from the Mongol Oirat language, Oirat name for Qinghai Lake. Both Tso ngon and Kokonor are names found in historic documents to describe the region.Gangchen Khishong, 2001. ''Tibet and Manchu: An Assessment of Tibet-Man ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guard Hair
Guard hair or overhair is the outer layer of hair of most mammals, which overlay the fur. Guard hairs are long and coarse and protect the rest of the pelage (fur) from abrasion and frequently from moisture. They are visible on the surface of the fur and usually lend a characteristic contour and color pattern. Underneath the contour hair is the short, dense, fine down. There are three types of guard hair: awns, bristles, and spines.G. A. Feldhamer, J. F. Merritt, C. Krajewski, J. L. Rachlow, K. M. Stewart. ''Mammalogy: Adaptation, Diversity, Ecology. Fifth Edition.'' Johns Hopkins University Press. 2020Robert E. Martin, Ronald H. Pine, Anthony F. DeBlase. ''A Manual of Mammalogy: With Keys to Families of the World''. 3rd edition. Waveland Pr Inc. 2011D. A. Kelt, J. L. Patton. ''A Manual of the Mammalia: An Homage to Lawlor’s “Handbook to the Orders and Families of Living Mammals”.'' University of Chicago Press. 2020 Description Guard hair (overhair) is the top or outer lay ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
