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Currently, 224 of the 328 wolves in Wyoming live outside of Yellowstone Park. [8] In September, 2014, the US District Court for the District of Columbia vacated the delisting of the Northern Rocky Mountain wolf, which then reverted to its former status as a nonessential experimental population in all of Wyoming. [22]
The wolf population in Wyoming was then controlled by the state. But on September 23, 2014, wolves in Wyoming were again listed as nonessential experimental population under the Endangered Species Act. [124] As of 2014, the Northwestern United States, with the exception of Alaska, has an estimated population of 1,802 wolves. [125]
There are at least 18 large mammal and 103 small mammal species known to occur in Wyoming. [1] Species are listed by common name, scientific name, typical habitat and occurrence. The common and scientific names come from the American Society of Mammalogists' Wyoming Mammal List. [2]
Gray wolves attacked livestock hundreds of times in 2022 across 10 states including Wyoming, according to an Associated Press review of depredation data from state and federal agencies, the most ...
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]
The wolves became significant predators of coyotes after their reintroduction. Since then, in 1995 and 1996, the local coyote population went through a dramatic restructuring. Until the wolves returned, Yellowstone National Park had one of the densest and most stable coyote populations in America due to a lack of human impacts.
Thousands of gray wolves roamed America's wilderness for centuries until hunters, ranchers and others nearly decimated the species. In 1973, the federal government listed them as endangered in the ...
Map showing wolf packs in the Greater Yellowstone Ecosystem as of 2002. Grey wolf packs were reintroduced to Yellowstone National Park and Idaho starting in 1995. These wolves were considered as “experimental, nonessential” populations per article 10(j) of the Endangered Species Act (ESA). Such classification gave government officials ...