Melbourne plays in the NBL competition; Bulleen Boomers and Dandenong Rangers, which play in the WNBL; Ice hockey teams Melbourne Ice and Melbourne Mustangs, who play in the Australian Ice Hockey League; and baseball club Melbourne Aces, which plays in the Australian Baseball League. Rowing is also a large part of Melbourne's sporting identity, with a number of clubs located on the Yarra River, out of which many Australian Olympians trained. The city previously held the nation's premier long distance swimming event the annual Race to Prince's Bridge, in the Yarra River. Notable amateur sports clubs include the country's top ranked
Melbourne Zoo Zoological Board of Victoria administers the Melbourne Zoo, as well as the Werribee Open Range Zoo which features herbivorous creatures in an open range setting; and Healesville Sanctuary on of bushland exhibiting Australian fauna. On 15 January 2010 Melbourne Zoo welcomed its first elephant calf. This is the second elephant calf born in Australia, the first being in Sydney in July 2009. Melbourne Zoo new seal enclosure has been completed and was opened in December 2009. Melbourne Zoo commemorated 150 years of operation in 2012 and this was celebrated in an Australian Zoos collector's edition of stamps released by Australia