Diana monkeys and American alligators Rare but very acrobatic silvery gibbons, spider monkeys and rare drills The new savannah house where visitors are separated only by a glass wall from the giraffes The aquarium with the piranha feeding "Dracula's villa" - bats fly around visitors Many other buildings like the "Polarium" Guided tours - especially when it's dark and there is no one else in the zoo Children's birthday parties Notes External links Hellabrunn Zoo on zooinstitutes.com Zoos in Germany Tourist attractions in Munich Buildings and structures in Munich