The estimated 5,000 in yellowstone aren't allowed to leave the park for fear of transmitting diseases to cattle that graze in nearby fields and limit competition for grazing between them. They are wild animals though.
I don't know about the other national parks and what they do with bison populations in or around their lands.
Chinese obsession with eating exotic, endangered animals
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The estimated 5,000 in yellowstone aren't allowed to leave the park for fear of transmitting diseases to cattle that graze in nearby fields and limit competition for grazing between them. They are wild animals though.
I don't know about the other national parks and what they do with bison populations in or around their lands.