American bison were hunted almost to extinction by European settlers. Now making a comeback, they could help reverse damage to prairies from decades of poor management.
More than a century after a mass bison slaughter, the animals are restoring Great Plains ecosystems and reinvigorating Indigenous customs like the sun dance.
Indigenous tribes are leading the effort to bring back the bison — a victory not only for the sake of biodiversity, but for the entire ecosystem they nurture.
