By Laura Zuckerman
SALMON, Idaho (Reuters) - The Nez Perce tribe once hunted bison in what is now Yellowstone National Park, and some tribal leaders want to revive the practice, which ended with Western settlement and the near total extermination of the once-vast U.S. bison herds.
Today, remnants of the bison, or buffalo, herds still roam the grasslands and river valleys of Yellowstone, a huge park that covers parts of Wyoming, Montana and Idaho.
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The park lands, in which hunting is illegal, once made up a key segment of the Idaho tribe's traditional hunting grounds, and some Nez Perce leaders say they should again be able to hunt buffalo inside the park.
"Before there was a park, there was a tribe," Nez Perce Chairman Silas Whitman said. "Some of our members already feel we have the right to hunt in the park, but it hasn't been exercised because we feel it would be remiss in going forward that way."
After asserting hunting rights tied to historic treaties in recent years, the Nez Perce and three other tribes already hunt those bison that follow ancient migration routes outside the park and into Montana in search of winter range.
The Nez Perce have not yet formally requested hunting rights inside the park. Such a request would require extensive federal review, major changes to Yellowstone policies, and congressional action to modify a founding law that banned hunting or killing of buffalo and other wildlife there.
The prospect of hunting any of the 4,000 buffalo within Yellowstone boundaries is strongly opposed by animal advocates, who decry an existing culling program that allows hundreds of bison to be hunted and shipped to slaughter annually.
"Yellowstone is against any proposal to hunt in the park," said David Hallac, chief of the Yellowstone Center for Resources, the park's science and research branch.
BISON MANAGEMENT CONTROVERSY
Whitman said the tribe would not force the issue by violating any of the park's regulations but may seek to broach the topic with the U.S. Interior Department, which oversees the national park system, or perhaps lobby Congress "to request those changes be made".
Management of Yellowstone bison has stirred controversy for decades. Killing of animals that wander into Montana in winter in search of food aims to keep in check a herd population whose size is determined by social tolerance rather than the ecosystem's carrying capacity, Yellowstone officials said.
The culling is also designed to ease the worries of Montana ranchers who fear bison will transmit the cattle disease brucellosis, which can cause animals to miscarry, to cows that graze near the park.
That could put into jeopardy Montana's brucellosis-free status, which allows ranchers to ship livestock across state lines without testing.
Marty Zaluski, Montana state veterinarian and member of a state, federal and tribal team that manages bison in and around Yellowstone, is a proponent of hunting in the park and told Reuters in February it needed to be "looked at more seriously as a possible solution".
He said it would bring the herd closer to a population target of 3,000 to 3,500 and lessen the public outcry tied to slaughter of wayward buffalo.
But Yellowstone's Hallac contends that hunting in the park, which draws 3 million visitors a year because of tourist attractions such as the Old Faithful geyser and the bison, would further complicate matters.
"Even a proposal to hunt in the park causes more problems than the dilemma it intends to solve," he said. "These are America's wildlife and a crucial part of our national heritage. To propose to hunt in a place established specifically to prevent animals from being hunted is bizarre."
(Editing by Cynthia Johnston; and Peter Galloway)
