American bison were reduced from 60 million to fewer than 1,000 by 1890. Conservation programs have restored populations to over 500,000, but welfare in managed herds and semi-wild settings varies considerably.
Bison welfare varies dramatically between the commercial meat production context and the conservation herd context. Commercial bison operations — which hold the vast majority of bison — often use handling systems designed for domestic cattle that are deeply unsuited to the temperament of a semi-wild species with strong flight responses. Low-stress handling for bison requires larger working spaces, slower movement, and fewer aversive stimuli than cattle systems. Conservation herds on large reserves provide the most welfare-positive bison experience: animals that can engage in natural grazing patterns, wallowing, social grouping, and seasonal movement across varied terrain demonstrate the full behavioural repertoire of the species. Supporting large-scale prairie conservation that allows genuine bison restoration is simultaneously an ecological and welfare priority.