American bison were nearly driven to extinction by the 19th century. Zoo populations have played a vital role in conservation, and their welfare management reflects lessons from rewilding success.
Bison welfare in zoos requires acknowledging that these are large, semi-wild ungulates with strong evolutionary drives toward open-range movement. Confined bison show stereotypic pacing, fence-testing, and social aggression that reflect inadequate space and complexity. Modern zoo bison management emphasizes large, naturalistic enclosures with wallowing areas, social groupings that allow appropriate herd dynamics, and separation protocols during the dangerous rut season. The conservation story of bison is genuinely inspiring — zoo and ranch populations were central to preventing extinction. Connecting zoo visitors to both the near-extinction story and the successful recovery narrative gives bison exhibits exceptional conservation education value. This impact is maximized when welfare is excellent and animals display natural behaviors.