Skip to content

About PERC

All Areas of Focus

All Research

Donate

A herd of American bison in a dry, golden grass field, with several jumping over a low wooden rail fence. One large bison is mid-leap over the fence with front legs extended, while two smaller bison and a calf pass beneath the rail on the right, and three more bison stand near the fence on the left.

Neither Wild nor Tame

[…] not bound by fences, are not regularly in contact with humans, and are responsible for finding their own food, water, and shelter. Among these is the well-known Yellowstone National Park herd, whose ancestors escaped eradication at the end of the 19th century and were preserved in the park. Similarly, various government agencies supervise bison […]

Published on: August 19, 2026
A large bison stands amid tall golden prairie grass, its shaggy head and horns lit by warm sunlight against a pale blue sky.

Reclaiming Bison on Fort Peck

[…] returned to culture.” But as Fort Peck focused on its cultural program, a separate conflict was unfolding that would eventually bring legal battles to the reservation. In Yellowstone National Park, wildlife managers stopped aggressively limiting the bison population in the mid-20th century, and its numbers subsequently grew into the thousands. In 2000, in response […]

Published on: August 19, 2026
Close-up profile of a shaggy bison's head and neck in tall golden grass, with two horses standing in the background of the prairie.

The Bison, the Horse, and the Cow

[…] earliest preservation efforts by capturing bison calves. They succeeded in establishing a permanent herd, which grew to 125 by 1910. Some later supplemented the dwindling herd at Yellowstone National Park, as did animals from other private herds. Another effort began in the 1870s with “the most enigmatic of the preservers of the bison,” as […]

Published on: August 19, 2026
A lone bison stands in a sagebrush meadow, dwarfed by rolling green foothills and a dramatic range of jagged, snow-patched mountain peaks behind it.

Bisonomics

[…] eventually became the seed herds for ranches and government preserves. In 1902, Congress purchased 21 of these bison to breed with the remaining couple of dozen in Yellowstone National Park, and they eventually grew into the nation’s most iconic herd.  Then, in 1905, a group of wealthy easterners organized the American Bison Society, with […]

Published on: August 19, 2026

Editor’s Note: Bison or Buffalo?

[…] majority of American bison live in private herds. PERC works to sustain that recovery, from piloting incentive programs that reward landowners for hosting wildlife in the Greater Yellowstone Ecosystem to championing policies that make room for bison stewardship on public lands. That is why PERC is proud to serve as the lead Nonprofit Partner […]

Published on: August 19, 2026
Senators, National Park Service staff, and conservation partners pose together overlooking the Yellowstone River canyon during PERC's 2026 Senate CODEL tour.

Landscapes, not Lecterns: A Senate Tour of the Greater Yellowstone Ecosystem

[…] Washington DC. You have to watch the patchwork of public forests and private ranches unfold beneath a helicopter to appreciate the scale and complexity of the Greater Yellowstone Ecosystem. You have to walk the boardwalks of Yellowstone National Park to understand the balancing act of protecting one of America’s most treasured landscapes while welcoming […]

Published on: July 29, 2026

A Bear-Sized Step Forward for Grizzly Recovery: Conservation Groups Celebrate Novel Solution to Incentivize Conservation

[…] (ESA) and the Service’s proposal a model for adjusting policy as conservation progresses. The proposal recognizes the extraordinary recovery of the grizzly bear, including in the Greater Yellowstone area, where bears have grown from 136 animals in 1975 to more than 1,000 today—a success built through five decades of cooperation by states, landowners, sportsmen, […]

Published on: July 15, 2026

Thomas Jefferson: The Lost Founding Father of American Conservation

[…] and steward nearly 60 percent of the nation’s forests—often voluntarily and without compensation. Consider Montana’s Paradise Valley: For decades, millions of visitors to the north entrance of Yellowstone National Park have been greeted by a 50-mile drive meandering along the banks of the Yellowstone River, where they take in the valley’s jagged peaks, open […]

Published on: June 24, 2026

The Invisible Hand of Conservation 

The last time I saw Ted Turner, he was seated at the front of a small vessel on Yellowstone Lake, surrounded by family on one of the Turner clan’s summer pilgrimages to their most treasured corners of the world. He was battling a disease that had taken his voice, but not his presence. I […]

Published on: June 24, 2026
Close up of a bison face

What the Bison Carries

[…] also executive director of the Wind River Tribal Buffalo Initiative. Under his leadership, the initiative works to restore buffalo on the Wind River Indian Reservation, south of Yellowstone, through land rematriation, community revitalization, and youth education. “There was an intrinsic value to the plant and animal biodiversity that the people relied upon and stewarded […]

Published on: June 24, 2026