SINGAPORE - MARCH 25: Zoo staff show off an African Hedgehog during a media tour ahead of the opening of River Safari at the Singapore Zoo on March 25, 2013 in Singapore. The River Safari is Wildlife Reserves Singapore's latest attraction. Set over 12 hectares, the park is Asia's first and only river-themed wildlife park and will showcase wildlife from eight iconic river systems of the world, including the Mekong River, Amazon River, the Congo River through to the Ganges and the Mississippi. The attraction is home to 150 plant species and over 300 animal species including 42 endangered species. River Safari will open to the public on April 3. (Photo by Chris McGrath/Getty Images)