Books about Animals -- Variation (sorted alphabetically)
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Geographic Variation in Red-backed Mice (Genus Clethrionomys) of the Southern Rocky Mountain Region
E. Lendell Cockrum and Kenneth Leonard Fitch
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Geographic Variation in the Harvest Mouse, Reithrodontomys megalotis, On the Central Great Plains And in Adjacent Regions
J. Knox Jones and B. Mursaloglu
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Displaying results 1–2
