San Diego Zoo Wildlife Alliance is a non-profit organization that operates the San Diego Zoo and the San Diego Zoo Safari Park. The organization was founded in 1916 and is dedicated to the conservation of endangered species and their habitats. The San Diego Zoo is one of the largest and most famous zoos in the world, with over 3,500 animals representing more than 650 species and subspecies. The San Diego Zoo Safari Park is a wildlife sanctuary that is home to over 3,000 animals representing more than 300 species. The organization also conducts research and provides education programs to promote conservation and sustainability.