Talk about being bullheaded!

A showboating simpleton decided to try going toe-to-toe with a wild bison at Yellowstone National Park in late July, according to a wild video captured by passersby.

The man, a tourist who inched within mere feet of the grazing bison, broke park protocol for a few seconds of fame on July 24. 4

Bisons are extremely agile in spite of their hulking size and can charge up to 30 miles per hour — exerting more than enough force to have sent the bozo flying.

The bison at the national park didn’t appreciate being disturbed and eventually ambled mere feet in front of the man, glaring at him with its beady eyes.

“Is he calling him out?” one person recording the video said as the bison stalked closer and closer.

The daredevil, meanwhile, started to wimp out and

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