Colorado voters narrowly approved a ballot measure to reintroduce the gray wolf decades after it disappeared from the state.

FILE – This July 16, 2004, file photo, shows a gray wolf at the Wildlife Science Center in Forest Lake, Minn. Wildlife activists want Colorado voters to decide whether the endangered gray wolf should be reintroduced decades after it disappeared from the state. Backers of a voter initiative delivered thousands of signatures on Tuesday, Dec. 10, 2019, in hopes of getting the proposal on the 2020 ballot. (AP Photo/Dawn Villella, File)