 In June 2017 the United States Fish and Wildlife Service removed the Grizzly Bear from Yellow Stone National Parks "endangered species list".The National Parks Conservation Association is suing the Fish and Wildlife Services for not going through the proper channels in their decision to remove the species from the endangered list.Citing that the Fish and Wildlife Service,
"fails to provide long-term and enforceable regulations to ensure the grizzly population remains stable and is able to increase in both size and geographic scope."