Photographer who captured viral Yellowstone bison attack shares what he witnessed

Bison attacks tourist at Yellowstone Park

Grandfather recounts terrifying bison attack at Yellowstone National Park

Photographer recounts Yellowstone bison attack, shares new video

Massive bison tosses tourist into the air at Yellowstone National Park

Man tossed 8 feet into air by bison at Yellowstone National Park

Bison Attack at Yellowstone National Park Caught on Camera

Bison at Yellowstone Park attacks tourist, sending him flying at least 8 feet in the air