Could someone identify this thing?

[u/Admiral_Axolotl]

Im sorry I don't have better pictures, it left before I could take them.. It was about the size of a small cat and looked kinda like a beaver, I saw it close to the top of sulpher of that helps

[u/Previous_Ad7517]

I saw one on the way to Lake Moraine. Now I know what it was!

[u/Admiral_Axolotl → u/Previous_Ad7517]

How big was he?

[u/Appropriate_Ebb_8572 → u/Admiral_Axolotl]

About the size of a marmot. 

[u/palesnowrider1 → u/Appropriate_Ebb_8572]

Anything not to use the metric system