Northern Plains tribes bring back their wild 'relatives'

Black-footed ferret gets a vaccine
A black-footed ferret is seen in a temporary trap prior to being vaccinated against sylvatic plague, a disease that periodically decimates populations of the highly endangered mammals, at a ferret reintroduction site on the Fort Belknap Indian Reservation on Oct. 6, near Fort Belknap Agency, Mont.
Matthew Brown | AP