The current number of buffalo in the US reflects a remarkable conservation story, transitioning from a few hundred individuals in the late 19th century to a robust population exceeding 500,000 today. While often called buffalo, these animals are technically American bison, a distinct species scientifically named *Bison bison*. This population encompasses both commercial herds raised for meat and hides and conservation herds managed to preserve genetic integrity and restore wild landscapes.
The Historical Decline and Recovery
Before European settlement, an estimated 30 to 60 million bison roamed North America, shaping the ecology of the Great Plains. Unregulated commercial hunting and deliberate eradication policies reduced this number to fewer than 1,000 individuals by the late 1800s. The recovery of the American bison stands as one of the most successful wildlife conservation efforts in history, driven by private ranchers, tribal nations, and dedicated conservation organizations working to rebuild the herds.
Current Population Breakdown
Modern bison populations are divided into distinct categories, influencing the total number of buffalo in the US. The breakdown includes wild conservation herds, commercial livestock operations, and public herds managed by government agencies. Understanding this segmentation is crucial for grasping the complexity of bison management and their role in the current ecosystem.
Where Buffalo Roam Today
The geographic range of bison has expanded significantly from the small protected areas of Yellowstone and Wind Cave National Park. Today, herds are found across various states, with significant populations in Montana, South Dakota, Nebraska, Kansas, and Alaska. Tribal lands have also become vital centers for bison restoration, with nations like the Fort Peck Assiniboine and Sioux Tribes maintaining large, genetically pure herds.
Wild vs. Domesticated Herds
A critical distinction exists between truly wild bison, such as the Yellowstone herd, and cattle herds that have been hybridized through generations of crossbreeding with domestic cattle. The pure wild population is significantly smaller, with estimates suggesting only around 11,000 to 15,000 animals possess a high genetic percentage of original bison DNA. These genetically pure herds are the primary focus of conservationists aiming to restore the species to its authentic ecological state.
Economic and Ecological Impact
The growth of the bison industry has created a significant agricultural sector, providing a lean, high-protein meat source to consumers increasingly interested in sustainable and local food systems. Concurrently, the ecological role of bison as grazers is being recognized in restoration projects. Their grazing patterns promote grassland biodiversity, reduce invasive species, and support a variety of other prairie wildlife, making them a keystone species for ecosystem health.
