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Yachontov A.A. (1970). The cats – Felidae.
Abstract: It describes Felidae family species (lion, tiger, leopard, snow leopard, lynx, cheetah): identification features, life-history characteristics, type of habitat, diet and distribution.
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Xuedong, X., Jackson, R., & Zongyi, W. (1994). Herd characteristics and habitat use of a blue sheep population in the Qomolangma Nature Preserve. In J.L.Fox, & D.Jizeng (Eds.), (pp. 97–104). Usa: Islt.
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Xinchun, M. (1994). Distribution in the wild and the captive raising of snow leopards in Xinjiang, China. In J.L.Fox, & D.Jizeng (Eds.), (pp. 157–162). Usa: Islt.
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WWF Russia & WWF Mongolia Programme Office. (2011). Altai-Sayan Ecoregion WWF Newsletter April-June 2011 (Vol. April-June).
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Wikramanayake, E. Tracking snow leopard and blue sheep, WWF conservationist Eric Wikramanayake goes on a wildlife survey in Bhutan.
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Wharton, D., & Mainka, S. A. (1994). Captive Management of the Snow Leopard. In J.L.Fox, & D.Jizeng (Eds.), (pp. 135–148). Usa: Islt.
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Wharton, D., & Freeman, H. (1988). The Snow Leopard in North America: Captive Breeding Under the Species Survival PLan. In H.Freeman (Ed.), (pp. 131–136). India: International Snow Leoaprd Trust and WIldlife Institute of India.
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Wemmer, C., & Sunquist, M. (1988). Felid Reintroductions: Economic and Energetic Considerations. In H.Freeman (Ed.), (pp. 193–205). India: International Snow Leopard Trust and Wildlife Institute of India.
Abstract: Reintroduction and captive breeding are often touted as panaceas for extinction in the wild. The populace at large, educated insuch matters by the mass media, places great faith in such wildlife technology. Furthermore, the wildlife professionals who develope recovery and managemnt plans for endangered species often include a section on reintroduction and sometimes advocate captive breeding as a source of colonizing stock.
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Wasser, S. (1998). Snow Leopard Genetics: New Techniques (Vol. xvi). Seattle: Islt.
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Wang, X., Peng, J., & Zhou, H. (2000). Preliminary observations on the distribution and status of dwarf blue sheep Pseudois schaeferi. Oryx, 34(1), 21–26.
Abstract: Describes the drastic decline of the dwarf blue sheep since the 1950's primarily due to over-hunting. There are an estimated 200 individuals remaining in a 295 square km range in Batang county, China. The authors recommend urgent protection for this species.
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