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 ...

This 2-foot-long, black-masked member ... Canada to Texas but is now one of the most endangered mammals in North America. In the early 1900s, the United States was likely home to more than 5 million ...

Kansas is the home of 21 endangered species and another 29 that are threatened. The world has more than 7,000 endangered ... are considered endangered: The 2.5-inch peppered chub is found in ...