Variations on this technique were used into pre modern times in North America. https://www.thecanadianencyclopedia.ca/en/article/northern-yukon-caribou-fences

Variations on this technique were used into pre modern times in North America. https://www.thecanadianencyclopedia.ca/en/article/northern-yukon-caribou-fences https://www.thecanadianencyclopedia.ca/en/article/northern-y... Edit: better link