Lavrov N.P. (1985). Snow leopard, or irbis.
Abstract: Snow leopard Uncia uncia Scheber, 1775, has status I, that is rare, non-numerous and endangered species. Information about its distribution, habitats, biology, number, existing and required conservation measures in the RSFSR and USSR is provided. Total population in the USSR is 800 1,000 animals.
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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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Yanushevich A.I., T. Y. S. (1968). Mountain animals.
Abstract: Fauna of invertebrate and vertebrate species in highlands of Kyrgyzstan is described. Mammals are represented by ibex and mountain sheep, snow leopard, dhole, stone marten, Royle's mountain vole, picas, bear, grey and long-tailed marmot; birds are represented by black and griffon vultures, Egyptian vulture, snow-cocks, chukars, rose finch, swallows, swifts, etc. A brief description of their way of life is given.
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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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Aizin B.M. (1969). Siberian ibex Capra sibirica Pall.
Abstract: It describes status of ibex in Kyrgyzstan, its distribution, behavioral patterns, enemies and competitors, etc. The enemies of ibex are snow leopard and wolf. All year round snow leopard preys on ibex its main food object and, therefore, should there be ibexes, snow leopards would be somewhere around. In winter, a considerable number of ibex dies from wolves. Sometimes dogs prey on ibex, too. Golden eagles and bearded vultures prey on young ibexes. However, poachers remain the most dangerous enemy.
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Koshkarev E.P. (1989). Snow leopard in Kyrgyzstan. The structure of habitat, ecology, protection.
Abstract: Habitat, status of population, geographical distribution, number, and ecology of snow leopard in Tien Shan are analyzed based on original realistic material collected 1981 through 1988.Information about irbis in the `foreign' part of its habitat is given for comparison. The reasons for snow leopard habitat shrinkage in Central Asia and Kazakhstan for over 100 years are assessed. Status of ungulate populations snow leopard prey on is given. The predator's behavioral pattern and condition in enclosure are given consideration. Protection measures are proposed.
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Anonymous. (1903). The Snow Leopard. Zoological Society Bulletin, Oct, 109.
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Ruedi, D., Heldstab, A., Wiesner, H., & Keller, P. (1978). Liver cirrhosis in the snow leopard (Uncia uncia): Case histories of three animals and suggestion of some diagnostic possibilities. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 113–129). Helsinki: Helsinki Zoo.
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Bekenov A.B. (1989). Uncia uncia Schreber, 1776 (Vol. Part1. Vertebrate animals.).
Abstract: There is one subspecies U.u.uncia in Kazakhstan. It is distributed in the Tien Shan, Djungar Ala-Tau, Tarbagatai, Saur, South Altai, and preys mainly on ibex, roe deer, argali, and marmots. Its litter consists of one to five cubs (normally two three). Female bears once in two years.
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Kolosov A.M. (1979). Genus Snow leopards Uncia.
Abstract: It provides description of appearance, distribution, behavioral patterns, and use of snow leopard in the USSR. The predator inhabits the mountains of Central Asia, east of the Amudarya river, along the ridges of Djungar Ala-Tau and Tarbagatai, South Altai, West and East Sayans. Its main food is ungulates, though it also preys on snow-cocks, marmots, small birds, and rodents. Sometimes attacks sheep. It has no enemy other than wolf; its diseases are not studied. Snow leopard is not dangerous for man. The fur-skin is used for making rugs and fur. Less than 1,000 animals are hunted globally. Before 1960, in the USSR less than 120 skins were annually purchased. Its total population is several thousand animals.
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