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National mammal facts from Interior: bison bulls can weigh 2,000 pounds and
National mammal facts from Interior: bison bulls can weigh 2,000 pounds and stand six feet tall. About 10,000 bison live on Interior lands in 12 states.
15 Facts About Our National Mammal: The American Bison | U.S. Department of the Interior — U.S. Department of the Interior