Outdoor Family Adventures | Kids Who Hike, Bike, Climb, and Ski on Instagram: ""Look at all those hippopotamuses!" - Our 3-year-old 😂 Yeehaw! This is the Buffalo Roundup in Custer State Park, South Dakota! It's an annual event where hundreds of American bison (Buffalo) are herded by cowboys, cowgirls, and park rangers. It’s an impressive sight, with these massive animals charging across the plains. Over 24,000 people attended this year, and while it’s an exciting show, it serves a purpose: the