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Geographic Variation In The Pocket Gopher, Thomys Bottae, In Colorado
註釋Thomomys bottae_ occurs primarily in the Piñon-juniper, Ponderosa Pine, and Short Grass zones of Daubenmire (1943) but in some localities is found in the Douglas Fir Zone. _Thomomys talpoides_ occupies primarily the Douglas Fir Zone and Engelmann Spruce-Subalpine Spruce Zone but is found also in the Piñon-juniper and Short Grass zones in some localities.