Noreen and Antonia, two recently-born black-footed ferrets ... This is more than just an experiment: researchers hope the cloned animals will play an important role in reviving their endangered ...

The Smithsonian National Zoo and Conservation Biology Institute began a breeding program, but given the number of these ...

When it comes to animals, things become more difficult ... been successfully cloned, this is the first clone of a US endangered species — a black-footed ferret by the name of Elizabeth ...