Spermophilus citellus
Spermophilus citellus
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Spermophilus citellusLiên quan
Spermophilus Spermophilus parryii Spermophilus citellus Spermophilus fulvus Spermophilus suslicus Spermophilus pygmaeus Spermophilus major Spermophilus xanthoprymnus Spermophilus erythrogenys Spermophilus alashanicusTài liệu tham khảo
WikiPedia: Spermophilus citellus http://www.departments.bucknell.edu/biology/resour... http://www.iucnredlist.org/details/20472/0 //www.worldcat.org/oclc/62265494