There is a pretty good article in the Santa Fe Reporter this week on the shaky Mexican Grey Wolf Reintroduction project.
“Wolf reintroductions have occurred across the US, including in Idaho and Montana, as well as the Great Lakes region and the southeastern US. Those other programs are not without problems and complications. For example, the successful recovery in Idaho and Montana—which will lead to the animals being removed from protection under the endangered species list—has spurred plans by both states to allow hunting of the wolves. But the Mexican gray wolf reintroduction in the Southwest is the one most clearly struggling.”