The Smithsonian National Zoo: Wild Thing! showcases the role of the National Zoo in preserving endangered species on the edge of extinction. The stars of this show – Giant PandasCheetahs, Orangutans, and other animals on display at the Zoo are “ambassadors” for their dwindling species in the wild. As part of its mission to “advance research and scientific knowledge in conserving wildlife and to teach and inspire people to protect wildlifenatural resources, and habitats, scientists at the National Zoo breed endangered species for the purpose of re-introducing them to nature. The National Zoo is truly a park full of wild animals, but it is also a reminder that humans don’t rule the earth; we share it. See some of the world’s most iconic animals in this documentary.