Bison evolved from the bovine family that includes cows and other buffalo. 220,000 years ago ancestors of the North American bison, Bison Priscus, crossed the bearing land bridge into North American. Like many other animals, they migrated south where the harsh environment of ice age North America began to select for more imposing traits. Like other ice age mammals, the Bison grew into megafauna. Bison latifrons, standing 9 feet tall and with 6 foot wide horns, Bison latifrons was one of the largest bovines to ever live.
Up Next in Arizona
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Lava Caves and Ancient Volcanoes
Our landscape is ever-changing. Slowly but surely geologic events mold and shape the world around us. Venture underground through lava river tubes of volcanic rock, and journey to the base of an ancient cinder cone volcano to understand how these formations emerged.
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The Edge of the World
Set upon a high plateau, Flagstaff is covered in a dense Ponderosa Pine forest, but towards the south, the bottom falls off into water-carved canyons and valleys. Below a sharp rim of volcanic rock, this land is full of dusty red rock and towering sandstone.
