The 52acreTaronga Zooopened in 1916, where it is now home to more than 2,600 animals and 340 species. In 2000, the zoo began a $250 million overhaul, part of which involved the controversial export of five Asian elephants from Thailand for a breeding program. In 2009, the zoo became famous as the location of Australias first live elephant birth. TheTaronga Conversation Society Australiaworks to promote animal conversation, including several breeding programs. Recently, the zooplaced500 zoobred Southern Corroboree frog eggs into the wild in the Kosciuszko National Park.