Stop Yellowstone’s Annual Bison Slaughter

Bison Daniel Mayer

Target: Dan Wenk, Superintendent of Yellowstone National Park

Goal: Put an end to Yellowstone’s annual bison slaughter of 600 to 900 animals.

Every year, around 600 to 900 terrified bison are rounded up and killed in Yellowstone National Park. The main reason for this culling is because of neighboring cattle ranchers.

Ranchers are nervous of a disease called brucellosis passing from the bison to the cows and then from the cows to humans. However, according to Stefanie Wilson, a lawyer for the Animal Legal Defense Fund, the passing of the disease from bison to cow “is only theoretically possible based on a lab test.”

Killing hundreds of wild, innocent animals every year based on a theory is preposterous. In addition, the culling disrupts other wildlife because the operation is loud and somewhat cumbersome. Sign this petition and demand Yellowstone put an end to this terrible slaughter.


Dear Mr. Wenk,

Every year, 600 to 900 confused and scared bison are rounded up and killed in Yellowstone National Park. This is due to the concerns of neighboring cattle ranchers.

Cattle ranchers are nervous that a disease named brucellosis will pass from the bison to the cattle and then to humans. However, the passing of the disease “is only theoretically possible based on a lab test” according to Stefanie Wilson, a lawyer for the Animal Legal Defense Fund.

Killing hundreds of innocent animals every year based only on a theory is unnecessary and cruel. In addition, the culling is a loud and cumbersome process that causes chaos among the other wildlife living in Yellowstone. It is time this unnecessary practice be put to an end.


[Your Name Here]

Photo credit: Daniel Mayer

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  1. Neville Bruce says:

    There are NO independently assessed cases of transmission. This whole thing is being engineered by cattle-barons and their hired hands in government and science-for-sale to finish off the bison and take the land for themselves, which is why they’re also restricting migration and encouraging bison-hunting, domestication and commercialisation – see:

    This animal should be an icon of North America (and is to some), but the ranchers national symbol is the almighty dollar – which may end up being cowed by the more-mighty yen.

  2. If you’re going to kill them why not just give them to those people who raise Bison. I eat bison and my ancestors ate bison and no issues to being sick. Seems like everything that’s good for us to ingest someone else has to have a fit about, just like raw milk. How did we make it so long before all this bologna?!

  3. Dan Wenk
    Yellowstone National Park

    National Park Service
    1849 C Street NW
    Washington, DC 20240

    March 5, 2016

    Dear Mr. Wenk,

    A woman with an urgent message about the bison of Yellowstone reached me this morning by a circuitous route. She’d learned through Buffalo Field Campaign that numerous buffalo had been captured and are being held at Yellowstone with the intention of slaughtering them. The purpose of this email is to plead with you to release those buffalo, allow them to roam free, and stop the annual killing of bison.

    There were once between 30 and 60 million bison roaming throughout the country until their near extermination. This century they finally made a come back. There is no excuse for going after them. The reasons given for the intended slaughter are transparently false. The true impetus, pressure from the livestock industry, needs to be resisted. The livestock industry, despite its present power–and despite its current killing binge across the country–is in its death throes. A century from now it will no longer exist.

    There is a food revolution underway as Americans and many others are rapidly giving up meat and turning to a plant-based diet. There is also an animal revolution underway. Animals are being rediscovered. They are being recognized more and more as mysterious beings with a heightened intelligence and sensitivity, each an individual worthy in his or her own right–as opposed to mere commodities there for our use–and deserving of freedom from human aggression. The bison in particular are a powerful symbol of freedom. The thought of their slaughter is sickening to many.

    According to the Inter Tribal Buffalo Council, “The American buffalo, also known as bison, has always held great meaning for American Indian people . . . buffalo represent their spirit and remind them of how their lives were once lived, free and in harmony with nature.”

    That is something I understand intuitively. Decades ago I dreamed that I gave birth to a full grown bison. The vividness of that dream is still with me and so is the importance of protecting all wild creatures.

    You wrote, “Yellowstone is looked to by leaders of protected areas around the world to see how we deal with issues. We have a responsibility to set the standard for stewardship.” To set such a standard is a noble goal. I hope part of what setting that standard means to you is extending your compassion to the majestic bison.

    According to Judith Kohler of National Wildlife Federation, “Fossils and accounts from early travelers show that Yellowstone National Park is the only place in the U.S. where bison have lived continuously since prehistoric times.” Yellowstone, for that among other reasons, is a national treasure. Please let it remain so.

    Joan Harrison, PhD
    Independent Advocate for Animals
    New York City

  4. Stop giving excuses, end this cruel and unnecessary bison cull practice for good!

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