Is the black-footed ferret still endangered?

Yes, the black-footed ferret (Mustela nigripes) is still considered endangered by the International Union for Conservation of Nature (IUCN). While there have been conservation efforts and successful breeding programs, the population of the black-footed ferret remains vulnerable due to factors such as habitat loss, diseases transmitted from other species, and small genetic diversity. As of the most recent assessment by IUCN in 2015, the black-footed ferret was categorized as "Endangered" on the IUCN Red List, indicating that it faces a very high risk of extinction in the wild.