Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.The Zoo Basel is located in the city of Basel, Switzerland. Established in 1874, it is Switzerland''s oldest and largest zoo (by number of animals) with nearly 1.7 million visitors per year.The Zoo Basel and its breeding programs are renouned around the world. Among many comparisons, Anthony Sheridan''s (Zoological Society of London) study in 2009 of 60 leading zoos, ranked the Zoo Basel as 7th best zoo in Europe.The Zoo Basel is a member of the World Association of Zoos and Aquariums (WAZA), the European Endangered Species Programme (EEP), and 18 other programs and organizations. In 1935, the forerunner of the WAZA (the International Union of Directors of Zoological Gardens or IUDZG) was founded in Basel.