RFI Chipmunk near Yellowstone National Park

Attached are two images of a chipmunk sp. taken 15 June 2015 at the Rock Creek Scenic Overlook near Red Lodge Montana, on our way to the NE entrance of Yellowstone.  I believe three species of chipmunk are known from the area.  Can anybody help identify this one from the photos?  Thanks in advance.

. ChipmunkP1030223 ChipmunkP1030225

  1. Jon Hall 7 years ago

    I’d say Uinta

  2. Alan D 7 years ago

    I agree with Jon. The Uinta doesn’t have a dark stripe on the side below the white one. Neither of your shots show that dark stripe. It’s much harder to differentiate between the Least Chipmunk and the Yellow-pine Chipmunk (at least for me). Which is why I have too many “unknown” chipmunk photos in my archive from YNP :).

  3. joemorlan 7 years ago

    Thank you very much. Uinta it is. Now I have to learn how to pronounce it. You-in-ta?

    • Alan D 7 years ago

      Correct Joe. I will use it in a sentence for you…

      Uinta mammals?

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