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  Mammal Species of the World - Browse: fortis

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13000262

  Mammal Species of the World: Information on fortis

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  Mammal Species of the World - Browse: mongolicus

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13000280

  Mammal Species of the World: Information on mongolicus

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