Krumbiegel, V. I. (1936). Die schneeleoparden (Felis uncia Schreb.) des Dresdner Zoologischen Gartens. Dresdner Zoologischen Gartens, , 34–37.
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Schneider, V. K. M. (1936). Einige bilder zur Aufzucht eines schneeleoparden. Dresden Zoological Garden, , 37–39.
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Berg L.S. (1938). Fauna.
Abstract: It provides description of fauna of the Central Asia mountains. Ibex (Capra sibirica) was noticed to keep to the alpine and sub-alpine zone and never descends bellow 2,500 m. Hunting for ibex and wild sheep, snow leopard (Leopardus uncia) keeps at the same elevation.
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Bobrinskiy N.A. (1938). Preditors (Carnivora). The mountains of Central Asia. 1938.
Abstract: It describes fauna of the Tien Shan, Pamir and Hissar mountains of Central Asia. The mountains of Central Asia. Ibex (Capra sibirica) and snow leopard (Uncia uncia) are listed among other inhabitants of highlands in Tien Shan and Pamir Hissar.
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Puzanov I.I. (1938). Central Asia sub-area.
Abstract: The author describes fauna of the Central Asia sub-area. Snow leopard is a typical inhabitant of the sub-area highlands.
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Bobrinskiy N.A. (1946). Mountains of Central Asia.
Abstract: A general description of fauna complexes of Central Asia's mountains (Djungar Ala-Tau, Tien-Shan, Gissar, Pamir, Kopet-Dag, Greater Balkhans) is given. A review of main animal groups and an attempt to zone fauna of Central Asia's mountains are made. Fauna of Central Asia's highlands with its specific variety of species (snow leopard, ibex, argali, snow cock and others) is western outpost of Inner Asia's mountain fauna. Snow leopard inhabits highlands of Djungar Ala-Tau, East and West Tien Shan, Bukhara and East Pamir.
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Kuznetzov B.A. (1948). Felidae (Vol. Vol.13 (XXVIII)).
Abstract: The snow leopard widely wide distributed in mountains of Middle and Central Asia. Irbis meets in Altai, Saur, Tarbagatai, Jungarian and Zaili Ala Tau, Kirghiz ridge and Talass within the Kazakhstan. The snow leopard is very rare in Southern Altai, and probably it stay here occasionally.
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Kuznetzov B.A. (1948). The cat family. The province of Central Asia mountains. The West Tien Shan area.
Abstract: It provides description of geographical distribution, habitats, behavior, and food of the cat family species in Kyrgyzstan (tiger, snow leopard, lynx, manul). It also provides zoogeographical description of Kyrgyzstan (zoogeographical zoning, landscape, fauna complexes), and zoning of Central Asia's mountainous areas. Snow leopard is met in the East Tien Shan, West Tien Shan, East Pamir, and Tajikistan mountainous areas. In Kyrgyzstan, snow leopard is distributed in highlands of the Talas Ala-Tau. Terskey Ala-Tau, Kyrgyz, Fergana, Alai and Zaalai ridges.
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Naumov S.P. (1948). The cats – Felidae. Mountain regions of USSR.
Abstract: Description of Felidae family species (Tigris tigris, Leopardus (Pardus) pardus and Unci uncia) is given. In USSR snow leopard inhabited in mountain ridges of Middle Asia and Altai.
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Meklenburtsev R.N. (1949). About ecology of ibex in Pamir (Vol. Vol. 28, edition 5.).
Abstract: Ibex is distributed all over the Pamir mountains, inhabiting rocks and canyons and ascending up to 5,500 m above sea level. In summer, ibex mostly feeds upon sedge and cereals, in winter wormwood. It keeps in herds containing 15 to 30 animals. The coupling period is December; kids being born at the beginning of June. The most dangerous predators are snow leopard and wolf. Ibex is a main commercial game species.
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Kuznetsov B.A. (1950). The mountainous province in Central Asia (Vol. Edition 20th. (XXXV). New series. Zoological secti).
Abstract: The landscape and biologic diversity of Central Asia's mountains are described. Different types of fauna complexes are segregated. Snow leopard, dhole, and ibex are referred to Central Asia's highland species.
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Naumov S.P. (1950). The cats – Felidae.
Abstract: Description of Felidae family species (Tigris tigris, Unci uncia, Felis silvestris, Felis ocreata, Felis †udtilur…, L¢no l¢no, A¤tŒn¢o jub…tus) is given. Snow leopard inhabited in mountain ridges of Middle and Central Asia.
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Yakhontov A.A. (1950). Fauna of mountains.
Abstract: Ibex, whose population has reduced due to over-hunting, inhabits the alpine meadow zone in Uzbekistan. Ibex had entirely disappeared in some areas. Wild sheep, a common inhabitant of the alpine zone, has drastically decreased in number. Marhur can still be found in the mountains of Kugitang and Babatang. Wild sheep is a common species for the alpine zone. Predator animals such as snow leopard, bear, and sometimes wolf and fox can be found in this zone. A typical inhabitant of highlands is marmot an object of fur-trade.
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Bobrinskiy N.A. (1951). The mountains of Central Asia.
Abstract: Given is a general characteristic of fauna complexes in the mountains of Central Asia (Jungar Ala-Tau, Tien Shan, Hissar Alai, Kopet-Dag), peculiarities of animal distribution in association with folded mountain relief, vertical zoning, anthropogenic influence and importance of mountain fauna for human beings. It provides a description of main animal groups and is an effort of zoning fauna of the mountains of Central Asia.
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Ognev S.I. (1951). The cats (Felidae).
Abstract: A list of mammals of the USSR fauna by orders is presented. Data of distribution and ecology mainly concerns the species of commercial value. From this viewpoint the Felidae species such as tiger, leopard, snow leopard, and lynx are referred to a category of accidentally hunted species of low commercial value.
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Formozov A.N. (1952). Tiger and snow leopard.
Abstract: Over the last decades tiger, leopard and snow leopard were fully exterminated in many areas, where they formerly were common species and now became very rare ones. Few leopards can still be found in Caucasus, Copet-Dag (Turkmenistan) and south of Primorskiy krai. Irbis is remaining a common species only in the difficult-of-access highland areas of Tien Shan and very rare in the Altai. Tiger traces are sometimes found in the Amudarya river valley and in the taiga Sihote-Alinya in the Far East.
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Severtsov N.A. (1953). Animals. Mammalia. Typical mountain animals. Taxonomic tables of the Turkistan fauna.
Abstract: Geo-botanic and zoogeographical description of altitude landscape zones of Central Asia is given. Snow leopard (Felis irbis), ibex (Capra sibirica), brown bear (Ursus leuconyx), dhole (Canis alpinus) and others (10 species in total) are vertically distributed (2,348 3,048 m) in the deciduous forest, fir forest and alpine meadow zones.
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Egorov O.V. (1955). Enemies, infections, parasites and mortality rate of ibex (Vol. Vol. 42.).
Abstract: Reasons for ibex and argali mortality from natural enemies, parasites, infections, accidents, and hunters are analyzed. Snow leopard is one of the most dangerous enemies of ibex and argali, preying equally on both young and mature animals (mostly males). Snow leopard feeds upon ibex all year round. Unlike wolf, snow leopard would never kill several animals at a time, but only one selected victim. The food remains left by these predators are different in terms of the skull gnawing. Nasal bones and eye-sockets on the skull of ibex killed by snow leopard remain undamaged, while wolf gnaws off nasal part of the skull, breaks eye-sockets, eats lower jaw, widens occipital hole and pulls out brains. Snow leopard leaves large pieces of skin around the skeleton of the victim, whereas wolf tears it to shreds or eats up fully. Sometimes parts of the victim left by snow leopard are eaten by wolf. It is easy to mix the remains of snow leopard's or griffon vulture's food. The remains differ in skin being turned inside out rather than torn to large pieces.
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Korelov M.N. (1956). The vertebrates of Bostandyk region.
Abstract: Data about faunistic complexes of Bostandyk region is provided. Snow leopard inhabited in high mountains of Chatkal, Pskem and Ugam ridges. The tracks of irbis were recorded in the snowfield near the edge of Pskem ridge (upper Ichnach-say river).
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Novikov G.A. (1956). Sub-genus UNCIA Gray.
Abstract: Identification features of the sub-genus Uncia (colour; length of body and tail; shoulder height, and skull measurements) are given. Distribution, habitat, way of life, reproduction biology, behavioural patterns, migration routes, commercial value of snow leopard in the USSR is described.
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Zheleznyakov D.F. (1958). Order Predators (Vol. Edition 1.).
Abstract: Data about distribution of stone marten, ermine, weasel, badger, bear, wolf, fox, and snow leopard in the Chatkal nature reserve is provided. In Tien Shan, snow leopard is not a rare species, and even a rather common species in some places. In the nature reserve, snow leopard was observed near the mountain Kurgan-Tash in 1948.
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Zakhidov T.Z. (1960). Irbis (Felis uncia) Ilvrs.
Abstract: The author provides information about snow leopard taxonomy, distribution, habitat and appearance. Biology of this animal is understudied. Snow leopard is able to make long jumps. It feeds upon ibex, wild sheep, marmots, partridge, and sometimes livestock, but never man. Gestation period is three months, at the end of May female gives birth to two or three cubs. Being very occasional, purchase of skin is of no practical value.
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Bogdanov O.P. (1961). Snow leopard (Felis uncia).
Abstract: In Uzbekistan, this species is distributed in spurs of Tien Shan and Gissar. It preys on ibex, rarer on argalis, roe-deers, young wild boars. In winter, it attacks livestock and sometimes feeds upon marmots and smaller rodents. Snow leopard attacks man very rarely, only when wounded. The economic significance of this species is low, since only few skins are traded. Its dressed skins are used as rugs.
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Ishunin G.I. (1961). Irbis, or snow leopard Felis (Uncia) uncia S¤hr†b†a 1778 (Vol. Vol. 3.).
Abstract: It describes diagnostic signs and taxonomy of snow leopard as well as its distribution, behavioral patterns and use in Uzbekistan. This predator inhabits the Ugam, Pskem, Chatkal, Turkistan, and Gissar ridges. It mainly preys on ibex, and marmots, vole-mouse, and snow-cocks. Sometimes it attacks domestic sheep. Snow leopard is of low commercial value. The cost of skin is 4 roubles 70 kopecks. Only a few skins are purchased.
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Kolosov A.M. (1961). Snow leopard, or irbis, – Felis uncia Schreb.
Abstract: It describes appearance, distribution and behavioral patterns of snow leopard in the USSR. The predator inhabits the mountains of Kyrgyzstan, Kazakhstan, Tajikistan, and the Altai and mainly feeds upon ungulates, and also snow-cocks, marmots, small birds, and rodents. Sometimes attacks sheep. Number of snow leopards is very low.
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