An intoxicated man from Idaho was arrested at Yellowstone National Park after allegedly kicking a bison in the leg, resulting in minor injuries to himself. The man faces charges related to alcohol consumption, disorderly conduct, and disturbing wildlife. A woman accompanying him was also charged with DUI and wildlife disturbance. Both have pleaded not guilty. Bison in Yellowstone can weigh up to 2,000 pounds, with the park's population ranging from 3,000 to 6,000 animals.