On several occasions, the U.S. Fish and Wildlife Service has attempted to remove the gray wolf from Endangered Species Act protections, claiming that the species has fully recovered, after having once been on the brink of extinction. But lawsuits from opponents have long stymied the efforts. The new measure, however, prohibits, "the use of funds by the U.S. Fish & Wildlife Service and the Department of Interior to treat any gray wolf in the 48 contiguous states as an endangered or threatened species under the Endangered Species Act after June 13, 2017."