Animals of the Northern Great Plains, Stories

World Wildlife Fund - Today, we're featuring Northern Great Plains

Bison Return to Native American Lands, Revitalizing Sacred Rituals - The New York Times

Bison Defenders of Wildlife

American bison - Wikipedia

Northern Great Plains Joint Venture

Beaver, Bison, Horse

Native Americans corralled Spanish horses decades before Europeans

The plain truth about North America's horse history - News

Great Plains Defenders of Wildlife

How bison survive winter in the Northern Great Plains, Stories

Montana's Northern Great Plains