A female white wolf that was shot was one of only three white wolves known in Yellowstone. Photo: Courtesy of Neal Herbert/Yellowstone National Park

Investigators of the National Park Service aren't the only ones who desperately want to find the person or persons responsible for the death of a famous white wolf in Yellowstone National Park. Outside organizations and individuals do, too.

The animal known by some as The White Lady, one of only three white wolves known to live in Yellowstone, was discovered April 11 by hikers on a trail near Gardiner, Montana, in the northern part of the park. The white wolf was dying and in shock, forcing officials to euthanize her.

On May 11, the park service announced that the white wolf had been shot and initially set a reward for information leading to a conviction at $5,000, but park spokesman Jonathan Shafer told KBSX News in Boise that "generous advocates" have changed that total.

"We increased that amount to $25,000 as a result of a groundswell of interest from people who want to contribute to the reward fund," Shafer told KBSX.

Superintendent Dan Wenk said in a NPS news release that because of "a tremendous desire by groups and individuals to donate for this reward" the park established a Yellowstone Resource Rewards Fund through its charitable partner Yellowstone Forever.

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"Up to $25,000 from this Fund will pay for the reward in this case if there is a conviction," Wenk said. "Any money leftover will be held for future resource violation cases in the park."

One reward money source is a gofundme page dedicated toward "Justice for the White Lady."

The Different Rhythm Foundation, a nonprofit that "promotes a healing relationship between man and nature," reported on Facebook that the pool of reward money contributions is up $35,105 and lists various organizations that donated.

The NPS reported that the white wolf appears to have been shot between April 10 at 1 a.m. and April 11 at 1 p.m. The park is asking anyone with information pertaining to the incident to telephone the park's tip line at 888-653-0009.