Some 15 years ago, when Utah State University ecologist Daniel MacNulty told his faculty advisor he planned to watch wolves hunt bison in a remote area of Yellowstone National Park, the latter shook his head.
If bison lumber through a patch of rangeland, you'll know it, says Utah State University ecologist Dustin Ranglack. A mature bull, after all, often weighs a ton.
Yellowstone National Park has two of the last remaining large herds of pure-bred bison in North America, but moving them out of the park to reproduce has been tough with public concerns over their widespread exposure to disease.
Last winter, government agencies killed one third of Yellowstone National Park's bison herd due to concerns about the possible spread of a livestock disease to cattle that graze in areas around the park. Such drastic measures ...
Yellowstone National Park proposes to kill roughly 1,000 wild bison this winter—mostly calves and females—as officials seek to reduce the animals' annual migration into Montana.
Yellowstone National Park has begun shipping wild bison for slaughter as part of a plan to reduce the park's population by as many as 900 animals this winter.
Yellowstone National Park administrators say shipments of wild bison to slaughter are done for the winter after almost 600 animals were removed in an effort to shrink their numbers.
Yellowstone National Park administrators say shooting wild bison with vaccine-laced "biobullets" to prevent the spread of an animal disease would be too ineffective to justify the expense.
Bison once helped sustain Native Americans on the plains of Montana. Now, Indians on the Fort Belknap Reservation say it's time they returned the favor.
(AP) -- Yellowstone National Park's iconic bison herds are suffering their worst winter in several years with almost 400 of the animals being held for possible slaughter - and a much-heralded initiative to expand where they ...