These buffalo are on the National Bison Range near Moise, Montana. This is the day before the annual bison roundup where they bring the herd in for a checkup, vaccinations, and other work. There are about 400 this year. Looking at the eye of this bull, I wonder if he knows what is in store for him.
Canon EOS 7D, 1/400s, f/5.6, ISO: 1600