Bison are the largest land animals in the Americas. They once ranged from Canada to Mexico in huge herds. An estimated 60 million bison roamed the continent before Europeans arrived. Almost all were exterminated and less that one thousand remained by 1900.

Bison are the largest land animals in the Americas. They once ranged from Canada to Mexico in huge herds. An estimated 60 million bison roamed the continent before Europeans arrived. Almost all were exterminated and less that one thousand remained by 1900.

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Bison are the largest land animals in the Americas. They once ranged from Canada to Mexico in huge herds. An estimated 60 million bison roamed the continent before Europeans arrived. Almost all were exterminated and less that one thousand remained by 1900.