We had to brake for bighorn sheep, mule deer, and often for bison. We saw elk, bald eagles, lots of osprey, great blue herons, and yellow-bellied marmots, which were very entertaining running around and tussling. We haven't seen any bears, but saw their tracks and scat. I woke up during the second night and heard a VERY large exhalation just outside the wall by my head. After a quick worry about bears I could hear several big animals moving around quietly, and realized it was a herd of bison! Right around us! We later found out it was a group of 11 that came through.
It's been a long, busy chore day, and I don't have any scenery or geyser photos ready to post yet, but here are a few animal shots. We're heading back in to the Mammoth area tomorrow. It's on the northern side, but since the elevation is lower, it's a bit warmer