Silver Gull Posted on October 7, 2013 by geek I photographed a few Silver Gulls (Chroicocephalus novaehollandiae) in Australia. Silver Gull, Wilson’s Promontory National Park, Victoria, Australia, October 2, 2010 Silver Gull, Wilson’s Promontory National Park, Victoria, Australia, October 2, 2010 Silver Gull, Wilson’s Promontory National Park, Victoria, Australia, October 2, 2010