America: The Story of the US TV - David Attenborough - Sitting Bull -
Native Americas and Buffalo have co-existed since the last Ice Age. America: The Story of the US: Heartland, History 2010
Buffalo: perhaps as much as thirty million of them. ibid.
Behind the birds come buffalo. After weeks of marching, their trek is coming to an end. David Attenborough, Planet Earth: Pole to Pole, BBC 2006
Only seven years ago we made a treaty by which we were assured that the buffalo country should be left to us forever. Now they threaten to take that from us also. Sitting Bull