Wild Bison Restoration and Welfare

The recovery of North American bison from near extinction and the welfare dimensions of rewilding efforts.

Key Facts

North American bison were reduced from 30-60 million individuals to fewer than 1,000 by the late 19th century through commercial hunting
Current bison populations number approximately 500,000, with most in commercial production rather than conservation herds
Genetically pure bison (without cattle hybridization) number approximately 20,000-30,000 in conservation herds
The American Prairie Reserve is assembling a contiguous bison range across 3 million acres in Montana
Bison restoration to tribal lands has both conservation and cultural significance for Indigenous communities
Reintroduced bison experience translocation stress but adapt rapidly when released into appropriate habitat
Bison grazing creates habitat heterogeneity that benefits dozens of grassland species dependent on bison-modified landscapes

Welfare Considerations

Bison restoration is simultaneously a conservation success story and a continuing welfare challenge. The translocation processes that move bison between herds for genetic management or reintroduction programs cause acute stress, and newly released animals face the challenge of establishing in unfamiliar territories. Against these costs are the profound welfare benefits for the billions of individual animals across the grassland ecosystem who benefit from restored bison grazing that creates the habitat complexity supporting their populations. Bison are keystone species whose presence creates the conditions that make grassland ecosystems function — their welfare and the welfare of the ecosystems they shape are inseparable.

What You Can Do

Support the American Prairie Reserve and Five Tribes bison restoration programs
Donate to American Bison Society conservation programs coordinating genetically pure conservation herds
Choose American bison beef from conservation herds as a market support for bison restoration programs
Advocate for federal and state land management policies that support bison reintroduction on public lands
Learn about the ecological role of bison in grassland ecosystems and the conservation significance of their restoration