Well, there are only 3 pure buffalo herds thats that have the original dna of the north american bison. The rest are mixed in with farm cattle. I know 2 of the original dna herds are in yellowstone and wind cave national parks
What do you mean PURE?
According to a 2011 Denver Post article, the two bulls were genetically pure, but it sounds like the herd was not. It also gave the impression they trying to work towards the herd being pure eventually, but I haven't seen anything confirming the herd is pure.
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