The hippos are inside so right now the enclosure is used by several mallards, 2 great cormorants, 2 blue-winged geese, 1 red-crested pochard, 2 wood ducks, 2 Indian spot-billed ducks, 2 marabou storks, 1 Australian wood duck, 1 rosy-billed pochard and a few presumable hybrids between mallard and yellowbill, or even 3 species hybrids like Mallard x (Yellowbill x Indian Spotbill).