GOOGLESCHOLAR: assignment 7b

The Austral Realm has some of the most diverse biogeography in the world. Some flora and fauna that occur in the Austral Realm are found nowhere else in the world.  Name a few of these flora and fauna. Have you ever seen any of these either in the wild or in a zoo?  Which ones?  Why does the Austral Realm have flora and fauna found nowhere else in the world?