Least chipmunk (Tamias minimus)

I think...

 

I was waiting by a Golden Mantle burrow for about an hour. The GM was a no show, but this little one came along and climbed the downed branch. After giving me a hello nod, it began to nibble on the grass seeds. (I may have imagined that last part)

 

Cascade Mountains - Jackson County - Oregon - USA

Done