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Rolf Peterson investigating the carcass of a coyote killed by a wolf in Yellowstone National Park, January 1996. Scientists have been researching and studying the impacts on the Yellowstone ecosystem since re-introduction in 1995. As the wolf population in the park has grown, the elk population, their favored prey, has declined.
By the 1970s, scientists found no evidence of a wolf population in Yellowstone; wolves persisted in the lower 48 states only in northern Minnesota and on Isle Royale in Michigan. Canadian grey wolves were introduced into Yellowstone in 1995. [17] This move has returned wolves to land that was once ruled by the canine.
The recovery of populations throughout the states of Wyoming, Montana, and Idaho has been so successful that on February 27, 2008, the U.S. Fish and Wildlife Service removed the Northern Rocky Mountain wolf population from the endangered species list. [127] As of January 2023, there are at least 108 wolves in the park in 10 packs. [128]
This year the state is home to nine packs containing an estimated 70 wolves, up from 44 last year. ... 31 to Yellowstone National Park and 35 to central Idaho's Frank Church-River of No Return ...
Lawsuits began, and on Feb. 10, 2022, gray wolves in the lower 48 states — with the exception of the Northern Rocky Mountain population — were added back to the list by a court order.
During that time, the Idaho wolf population had made the most remarkable comeback in the region, with its abundant federal lands and wilderness areas peaking at nearly 900 wolves (almost half of the regional wolf population) in 2009. However, the wolves have increasingly been blamed for livestock and hunting opportunity losses.
The 10,000 year old Grand Canyon of Yellowstone surrounds the mighty Yellowstone River. Gazing from the canyon rim into the 1,000-feet deep gorge should make even the most seasoned traveler feel ...
Wolves from the Greater Yellowstone Ecosystem have dispersed into Colorado several times in the 21st century. In 2021, scientists documented the first litter of pups born to wolves in the state since the wolves' original extirpation. This resident wolf pack is monitored by Colorado Parks & Wildlife. In 2020, voters narrowly approved wolf ...