Smithsonian National Museum of Natural History, North American Mammals

  Urocitellus canus (Merriam's Ground Squirrel)

Image of Urocitellus canus
Spermophilus canus - distinguishable from S. mollis and S. townsendii only by chromosome number and location
Credit: painting by Todd Zalewski from Kays and Wilson's Mammals of North America, © Princeton University Press (2002)

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