May 2026 - Our Amazing Grasslands - Dan O'Brian

Dan O'Brian has dedicated over sixty years to the art of falconry, beginning his journey with peregrine falcons at the age of twelve. This lifelong companionship with apex predators provided him with a unique and profound perspective on the Great Plains ecosystem, revealing an intricate web where birds, grass, trees, and all wildlife are inseparably connected. Through decades of observing these top-tier hunters, O'Brian realized that true conservation requires a deep, proprietary relationship with the land itself, prompting him to purchase a farmstead in eastern South Dakota. Over ten years he paid off this initial property before trading it up repeatedly until he owned several sections of land at the base of the Black Hills, totaling around 870 acres where he hoped to restore the natural balance he had come to cherish. Upon settling on his expansive ranch, O'Brian quickly discovered that something vital was missing from the landscape when he compared his surroundings to historical accounts from the Lewis and Clark expedition. He identified the absence of the American buffalo as the primary ecological deficit, leading him to naively but passionately introduce a herd of bison to his property. The presence of these massive animals proved crucial not just for their own sake, but because their hooves create the necessary soil disturbance that ground-nesting birds require to thrive. By mimicking the natural cycle where buffalo trample the earth to create duff and enrich the soil, O'Brian created a microcosm that supports the entire food web, demonstrating that the health of the land is directly tied to the presence of its largest inhabitants. The interconnectedness of this restored ecosystem is vividly illustrated by the migratory patterns of birds like sandhill cranes, which serve as early indicators of environmental health on the ranch. O'Brian marks time by the arrival and departure of these flocks, noting that seeing only a handful of cranes in November signals that something is wrong with the habitat. He views birds as sentinels high in the ecological pecking order that reveal changes invisible to human eyes, suggesting that the loss of any single species triggers a domino effect throughout the entire system. This philosophy extends to his approach to agriculture, where he refuses to plant corn or cultivate grass, choosing instead to defend and restore the native prairie to ensure that every element of the ecosystem can function naturally without human interference. Ultimately, O'Brian's work is driven by a holistic vision that treats the land as a single, unified object rather than a collection of separate resources. Although he has no biological children, he finds deep fulfillment in mentoring two young people who understand and share his commitment to preserving this delicate balance. His efforts have transformed a piece of land into a special island where nature can heal itself, proving that by restoring key species like the buffalo and protecting native grasslands, humans can play a vital role in reversing ecological damage. Through patience and a refusal to impose modern agricultural practices, O'Brian continues to plug along with his mission, offering a hopeful model for how humanity can coexist with and protect the wild places of the Great Plains.