Discusses the American bison and the prediction that William Temple Hornaday made in 1889 that some day the wild American bison would be extinct.

A shocking prediction -- Bison were here first -- Bison and Native Americans -- The slaughter begins -- The killing increases -- Almost extinct -- The man who saved the bison -- Bison at the Bronx Zoo -- The American Bison Society -- A big year for bison -- Where the buffalo roam -- Bison, a success story -- Bison facts -- Other Bovidae in danger.