Urocitellus townsendii
Urocitellus townsendii
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Urocitellus townsendiiLiên quan
Urocitellus Urocitellus richardsonii Urocitellus brunneus Urocitellus undulatus Urocitellus columbianus Urocitellus townsendii Urocitellus mollis Urocitellus armatus Urocitellus washingtoni Urocitellus beldingiTài liệu tham khảo
WikiPedia: Urocitellus townsendii http://www.departments.bucknell.edu/biology/resour... http://www.iucnredlist.org/details/20476 //www.worldcat.org/oclc/62265494