FLAGSTAFF, Ariz. (AP) — The herds of bison roaming the northern reaches of the Grand Canyon are causing headaches for park staff as the animals graze in pristine meadows, trample vegetation, damage cliff dwellings and pollute water sources.
The bison were introduced to northern Arizona in 1906 as part of a ranching operation to crossbreed them with cattle, creating hybrids known as beefalo or cattalo. The state of Arizona owns and maintains the bison outside the national park, but the animals now are making their home almost exclusively within the boundaries of Grand Canyon National Park.
Federal and state officials are looking at methods to manage the roughly 300 bison in a way that rids them from the park and allows for a free-ranging population that can be hunted on nearby forest land. On Wednesday, they announced a trio of public meetings to be held in southern Utah and Arizona and a scoping period.
"It's the first step in a long process today," Grand Canyon Superintendent Dave Uberuaga said. "We're just trying to get it out there and get it on everybody's radar screens."
The bison no longer look like cattle but still have about 10 percent cattle in their genes. The massive animals have reduced vegetation in meadows to nubs, traveled into Mexican spotted owl habitat, knocked over walls at American Indian cliff dwellings below the North Rim, defecated in lakes and left ruts in wetlands, Uberuaga said. The iconic symbols of the West can weigh more than 2,000 pounds and run three times faster than humans, the agency has said.
While the Arizona Game and Fish Department was able to keep the number of bison around 100, their move to the Grand Canyon means that fewer are hunted because it is outlawed at the national park, said Carl Lutch, wildlife program manager for the department. Permits to hunt bison range from about $360 for a yearling to nearly $1,100 for a bull bison for Arizona residents. Twenty permits were issued for the spring season that runs from January to June 15.
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