The annual summer census of bison in Yellowstone National Park shows there are roughly 3,300 bison in the park’s two bison herds, a number that is up a bit from a year earlier but far below the nearly 5,000 bison counted four summers ago.
The annual summer census of bison in Yellowstone National Park shows there are roughly 3,300 bison in the park’s two bison herds, a number that is up a bit from a year earlier but far below the nearly 5,000 bison counted four summers ago.