500 bison would fill a large field, standing close together in an area measuring 191 ft (58.4 m) by 137 ft (41.7 m). This space covers about 2 times the area of an Olympic swimming pool. In the photo, you can see how this group compares to a sedan car, a school bus, and a semi truck.

Together they weigh
413 US tons
413 US tons (375 tonnes)
covers about 2 times the area of an Olympic swimming pool
Size and weight estimated by AI from typical values. Sizes and weights are typical for an adult or standard bison; real ones vary. Standing close together, not packed in.