Yellowstone Had 23 Pure Bison Left — What a DNA Test Found 120 Years Later Was Impossible
Yellowstone Had 23 Pure Bison Left — What a DNA Test Found 120 Years Later Was Impossible Yellowstone's bison are called the purest on Earth. In 2022, a DNA test proved that wasn't quite true, and the reason traces back to the 23 animals that saved the entire species. This is the story of the bison's near-extinction, the rescue almost nobody talks about, and the genetic secret hiding in every herd in North America. Sources Nature, Scientific Reports (2022 genome study): https://www.nature.com/articles/s4159... Texas A&M — Cattle genetics in bison: https://vetmed.tamu.edu/news/press-re... NPS — Bison History, Yellowstone: https://www.nps.gov/articles/bison-hi... Greater Yellowstone Coalition: https://greateryellowstone.org/restor... Yellowstone Forever: https://www.yellowstone.org/finding-a... CSKT Bison Range history: https://www.bisonrange.org/history/ American Prairie — Bison reintroduction: https://americanprairie.org/project/b... Montana Free Press — Fort Peck: https://montanafreepress.org/2025/11/...
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