Why are bison no longer endangered? There are an estimated 5,000 bison in Yellowstone National Park owned by the government. An estimated almost 100 times as many, from 300,000 to 500,000, are in herds that are privately owned. A century ago, the bison was almost extinct in the United States, and only a few hundred were alive. Bison, like chickens and cattle, are now abundant because private owners are allowed to own them and sell the meat for food, as well as other parts of the animals. That is, the owners have a strong economic incentive to raise many healthy animals.
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