Bison herd at the Lamar Valley, Yellowstone National Park. May, 2019.
At their height, there were an estimated 60 million bison in North America. Can you imagine what bison herds must have looked like then?
Photography by Guillermo Esteves
At their height, there were an estimated 60 million bison in North America. Can you imagine what bison herds must have looked like then?