Vipera berus

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31	Mongolian Red List of Reptiles and Amphibians Add to Reading List Source URL: siteresources.worldbank.org Language: English - Date: 2009-04-02 13:07:39 Ecology Biodiversity International Union for Conservation of Nature Regional Red List Vipera berus Herpetology Mongolia The Society for the Study of Amphibians and Reptiles Ulan Bator Biology Asia Conservation
32	Herpetologia Petropolitana, Ananjeva N. & O.Tsinenko (eds.), pp. 96 – 98 96 Add to Reading List Source URL: www.ursenbacher.com Language: English - Date: 2012-04-24 03:11:45 Vipera berus Vipera ursinii Vipera Snake Clade Viperinae Fauna of Europe Zoology
33	PDF Document Add to Reading List Source URL: www.regionalredlist.com Language: English - Date: 2009-06-15 17:08:49 Ecology Biodiversity International Union for Conservation of Nature Regional Red List Vipera berus Herpetology Mongolia The Society for the Study of Amphibians and Reptiles Ulan Bator Biology Asia Conservation