Breadcrumb Home Cite Quiz: Which Animal? Survival of the most creative by Holly HartmanLearn all about Animals! Question 1 (out of 10): Which animal used to roam in huge herds across the American West? American buffalo elk prairie dog More Quizzes from Infoplease: Try another Health & Science Quiz ! Quiz Archive FEN Learning is part of Sandbox Networks, a millennial learning company, reaching hundreds of millions of people across the globe.