Black-Footed Ferret: Comprehensive information about the appearance, size, habitat, and diet of the ferret.
Black-Footed Ferret: Provides information about this animals habitat, and endangered status.
North Dakota's Endangered and Threatened Species: Black-Footed Ferret: Contains pictures, general description and a map comparing their historic distribution with the present.
Toronto Zoo: Ferrets: Contains a picture, where you can find them, and their endangered status.