Bison (two photos)
Bison and not Buffalo. Why? American Bison are distinct from the Asian and African cousins, true buffalo. The two varieties in North America are Woods and Plains, they have curved horns, prominent humps and coats vary with the weather, all different from the buffalo of other regions.
2500 pounds of opinion in T. Roosevelt National Park. The opinion was for me to leave, I did.
Herd of Bison headed toward us at Yellowstone NP.