Roger L DiSilvestro

In less than a century, a bison population that once numbers in the missions and stretched across North America was reduced to just a few dozen animals primarily in Yellowstone National Park. DeSilvestro explores one of the greatest conservation comeback stories in American history-- yet its "success" is qualified. Most bison today live in commercial herds, contained like cattle. Are we willing to coexist with them as wild animals who need freedom...

Reports nature's battle to preserve endangered species and the earth from the influence of man.