Snowy Range Mountains, Wyoming
On the way back to the car after hiking Medicine Bow Peak (elevation ~12,000 ft), my friends and I noticed a few of these furry little critters playing hide and seek with us in the rocks just off the path. One of these guys finally wisened up and gave me this quick pose before scurrying away.
Just some cropping
Canon Rebel XS, Canon 55-250m lens at 250mm, ISO 100, f5.6, 1/200 sec